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A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0db7354a-e97b-4883-b589-625bcfb3e24e/Picture2.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/dd4b6922-4f3d-465d-96f8-107fa27320a9/Picture3.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d1dfbb4c-816d-4293-af22-8d21a43367c4/Picture4.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/595fb439-bbf7-4b2c-b301-594a1c158039/Picture5.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/3836b585-7cb0-4772-a442-a466e44fcec4/Picture6.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/f98f5d6a-6770-4b2d-9e13-1fbc90aef734/Picture9.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/05f289c5-05f0-46b3-92e2-90b741ecdd7a/Picture7.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/3e1b4478-83a1-47f4-a256-53ef879c70a2/Picture10.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a931d9eb-5dd0-4907-9434-bb5c0f6338e7/Picture8.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d4e3c323-3455-400a-8870-f4b74a94d0f8/Picture11.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/772f9a83-5098-4425-87e2-bddd9cbefab9/Picture12.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7fd4b8a2-d41c-45ce-977e-ef619eb64fb2/Picture13.jpg Articles - Rocks and Fossils and Zeolites, OH MY! A summary of the John Day Fossil Beds Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.gsoc.org/news/2025/spokanefieldtrip-3n88e monthly 0.5 2025-09-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ba3dff5d-818f-4db3-8ae8-72708af0751d/Screenshot+2025-07-14+200524.png Articles - Delving into Deep Time in the Spokane Area Figure 1. Trip routes and stops, including the June 24 optional side trip to Republic. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d8bd29d1-e383-4390-a4dc-f6a74c5611d7/Medicine+Hat+Block.jpg Articles - Delving into Deep Time in the Spokane Area - Make it stand out Figure 2. Map of ancient Laurentian cratonic blocks in Idaho, Montana, and Wyoming with some recent dating results. Old cratonic exposures viewed on the trip are in the black polygons in the Priest River Complex shown near the Idaho/Washington border, dated at 2.65 Ga (billion yrs old). From Gifford, Malone and Mueller, “The Medicine Hat Block and the Early Paleoproterozoic Assembly of Western Laurentia,” Geosciences, 2020. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/8e349a58-cf33-4c3a-b077-66091662e0a9/Doughty+Priest+River+Complex+map.jpg Articles - Delving into Deep Time in the Spokane Area - Make it stand out Figure 3. Map of the Priest River Complex, from Doughty, Price and Parrish, “Geology and U-Pb geochronology of Archean basement and Proterozoic cover in the Priest Rive complex, northwestern United States, and their implications for Cordilleran structure and Precambrian continent reconstructions,” Canadian Journal of Earth Sciences, 1998. An east-west cross section schematic through this type of stratigraphy is shown in Figure 4. The area labeled “Figure 3” in this figure is the area containing the exposures of the Pend Oreille Gneiss. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c717f9d7-ca2c-4990-9836-1ed920474d32/Core+complex.jpg Articles - Delving into Deep Time in the Spokane Area - Make it stand out Figure 4. Schematic of a metamorphic core complex, from Kiver, Pritchard, Orndorff, Washington Rocks! A guide to geologic sites in the Evergreen State, Montana Press Publishing, Missoula, MT, 2016. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/cf24fd5d-9e04-4f9d-a36f-57effac17fce/Windermere+mwr220-23+maps+copy.png Articles - Delving into Deep Time in the Spokane Area - Make it stand out Figure 5. Regional and local maps of Belt, Deer Trail, Windermere and Lower Paleozoic Stratigraphy along the western margin of ancient Laurentia. Modified from Brennan, Pearson, Link and Milton, “Neoproterozoic to early Paleozoic tectono-stratigraphic framework for central Idaho: Windermere Supergroup in the northern sector of the U.S. Cordillera,” chapter from Laurentia: Turning Points in the Evolution of a Continent, 2023. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0d418410-b9cb-4705-8525-38667035cb4e/Panoramic+timeline+copy.png Articles - Delving into Deep Time in the Spokane Area - Make it stand out A panoramic view of the timeline created for the trip by Carol is punctuated by colorful exposures of formations viewed along the trip, and the supercontinent assemblages driving the production of the sediments are shown along the bottom edge. Time scale used in the production of this timeline was 1” = 10 Ma (million yrs), and the timeline is over 20 feet long. CLICK PHOTO TO ENLARGE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614817902-1TWYYACE4I0U1J0FT852/IMG_8969%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Spokane Riverfront Downtown Spokane has much beauty and geological features. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614728409-60D1888OSMFAJZMAMR9S/IMG_8984%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.1 at Davis Lake Here the Prichard Formation (Lower Belt Supergroup) has been altered considerably by the formation of the Priest River Complex. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614710429-H87KRQY2PC8JQGQLWM3C/IMG_8540.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.1 at Davis Lake This is a view of the Prichard roadcut from the near side of the road during Recon 2. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614699596-AWPG3IUS0GJ19K2DO8YH/1601758043070930979.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.1 at Davis Lake Carol and Chad hamming after the presentation of the GSOC mug. “Every NW geologist needs one of these.” Photo by Patty Hyatt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614710644-02B95SDZJOXDGN4IN1OL/IMG_5382.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Davis Lake area A roadcut of Eocene Silver Point Monzonite is a result of the Priest River Complex formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614717110-V6IL4G11FIR2UESXCDQ5/IMG_8544%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.2 along the Pend Orielle near Newport This relatively undeformed Prichard Formation roadcut exhibits its original turbidite bedding. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614732399-XT23TCIP3OV67SQQ9Z4X/IMG_8990%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.2 along the Pend Oreille near Newport The GSOC group observes the dipping bedding planes at this stop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614736788-M4MZC1AI3AYMXK8A0RXJ/IMG_8998%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.3 east of Priest River This incredible roadcut of Laclede Orthogneiss contains blocks of amphibolite metamorphosed from a mafic sill. The prefix ortho- = volcanic origin. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614732753-HGS30CM2U6E1G25V80G9/IMG_8993%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.3 east of Priest River Dr. Pritchard discusses the composition, metamorphism, and the insertion of the somewhat older (1.58 Ga) Laclede into the Belt Supergroup stratigraphy. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614717486-T4SG2DWUSW26WU1LMGSH/IMG_8552%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.3 east of Priest River Another view of the wall of Laclede Orthogneiss. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614737827-QG5CO5RQM1WSID2EBBNB/IMG_9001%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.3 east of Priest River A closeup of chunks of Laclede blasted from the cliff during roadmaking shows the augen, or “eyes” of plagioclase. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614740781-MC5HE9G7RR2ZBXZAWJEH/IMG_9002.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.3 east of Priest River GSOC admirers collect small chunks of Laclede for the GSOC banquet. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614703086-OW5NIRTQZ7N5W6QG81CR/3931288296589639273.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.4 south of Priest River This small roadcut of Pend Oreille Gneiss represents the Holy Grail of our quest to find old cratonic rocks in the area, dated at 2.65 Ga. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614700246-7PA6TOLVLVSKERF4H251/2199459191638835373.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.4 south of Priest River Carol makes sure that GSOC viewers stay safe while crossing the road and viewing the roadcut. Photo by Patty Hyatt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614724166-PCGX8OU7U1VWP084F2LI/IMG_8572%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.4 south of Priest River Don’t worry, Carol did get to view the Pend Oreille Gneiss roadcut plenty during Recon 2. Photo by Clark Niewendorp. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614724593-C2D11TI041DFNWU9LM1U/IMG_8579.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.5 along US Hwy 95 near Couer d'Alene This roadcut of Hauser Lake Paragneiss is the metamorphosed version of the Prichard Fm. The para- prefix = sedimentary origin. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614741630-OAQW92MAEHYTZFJHVV5O/IMG_9006%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.5 along US Hwy 95 near Couer d'Alene GSOC participants view faulting and folding in the Hauser Lake Gneiss. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614745574-UDOMOQ3H9URZBHVBW2XI/IMG_9012%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.6 on Cougar Gulch Rd. This roadcut of Cougar Gulch Gneiss is the other very old outcrop representing the Medicine Hat Craton. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614746081-GHYD7D2X9PYQTQ8G0EP6/IMG_9020%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.6 on Cougar Gulch Rd. GSOC participants at the Cougar Gulch roadcut. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752614748902-FD14W2D2DE68P6P1ACUA/IMG_9021%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 1 - Stop 1.6 on Cougar Gulch Rd. The Cougar Gulch Gneiss has been severely weathered and crumbles easily. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622497662-QUWMUDD5VIN7WGEX2USR/IMG_9025%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Welcome to Wallace Idaho! Wallace is a mining town in the Silver Valley of the Idaho panhandle with a colorful history. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622498543-WXEGSRZ9XTK1RVZ449K5/IMG_9029%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Tour of Sierra Silver Mine Our tour guide “Fast Eddie”, a retired career miner, demos the hand tools used by the miners. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622499643-3YC06L2HDWO2IAMTIWVW/IMG_9032.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Tour of Sierra Silver Mine Fast Eddie exhibits the light output from a carbide lamp. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622501010-D4OA2AS5BEBOLQF5JIAY/IMG_9036%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Tour of Sierra Silver Mine This lighting sequence is used in the tour to demo the timing and positioning of the charges used to blast away an 8-foot deep section of the mine wall. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622502281-2DXFE2O3TBZI4LG6W9T1/IMG_9042%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Tour of Sierra Silver Mine Here Fast Eddie demos the use of another piece of mining equipment. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622504071-2QTJ7SPNM26VHWW1IDHQ/IMG_9044%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Tour of Sierra Silver Mine In Fast Eddie’s left hand is a chunk of zinc ore and in his right a chunk of highly enriched silver ore. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622504362-21VP3VNVEN6V5A4F8XBS/IMG_9045%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Tour of Sierra Silver Mine Fast Eddie shows us a chunk of chalcopyrite, or peacock copper. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622506273-FG42V6AM9VNTOG8GRMJK/IMG_9047%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Wallace Idaho This is the only remaining wooden commercial building to survive the 1910 fire in Wallace. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622509434-9CBSFXVPBU2BV65MYNLV/IMG_9057%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Wallace Idaho A roadcut of Piegan Group sediments in the town of Wallace. The Piegan Group lies conformably above the Ravalli Group in the Belt Supergroup strata. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622509320-1ZV70ACJ2WUJOEFK8WHR/IMG_9061%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Wallace Idaho The old Wallace railroad depot is now a museum. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622511798-ZRMIUPHYNYUVNQGZZFC9/IMG_9066%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Wallace Idaho We took a tour of the historic Oasis Bordello in Wallace. Prostitution was allowed in Wallace during the mining heyday and this is a photo of the last madam of the bordello. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622512153-CBTPCVC6Q193YPMEQ4SX/IMG_9064%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Wallace Idaho Everything remains as it was at the Oasis Bordello when the feds came in to shut it down in 1991. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622515801-AEETZES3OOVN6RKH9UCL/IMG_9068.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Burke Idaho Some of us took a side trip to Burke to view the old mines and rocks. Houses were built over the stream in Burke during the heyday of mining. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752622516780-6OHTN6ZS3YIQTSOT5W55/IMG_9070%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 2 - Burke Idaho A roadcut of Ravalli Group sediments (Belt Supergroup) in Burke. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624739551-UX1KSX3394TPJ9PFJ8PN/IMG_5460.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Metaline Falls WA The Metaline limestone cliff near Metaline Falls, WA. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624733151-U4D3A65VECAW312T2FV6/IMG_5445%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Metaline Falls WA A roadcut of Metaline Formation on the road to Crawford SP. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624736437-K4KP3M0DQ4A9JQMX7JR8/IMG_9087%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park Dr. Pritchard brought some trilobite fossils dug from the Metaline Formation at Lafarge Quarry near Metaline Falls. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624739685-4WNVUW3FLA9YS9LK4V38/IMG_9088%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park More trilobite fossils. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624743555-RQLGYQRU92J5KOW05KIQ/IMG_9101%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park Washington SP Guide Sandie Durand guided us through Gardner Cave. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624742798-L93F19WNIGCAWCLG5O90/IMG_9102%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park Passage into the cave. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624745738-XI2WJ5LW9VVYDBQY2L0S/IMG_9107%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park A closeup of cave stalactites. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624746673-V6E7JJLOEQDCQ6E6OLIW/IMG_9112%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park The cave ceiling is marble (metamorphosed limestone) in places. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624747746-J0CVA9J4KRHZB35SCYB1/IMG_9117%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park A beloved Metaline Falls schoolteacher signed the “Pearl” graffito onto the large column in the cave in the 1920’s. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624749810-U65SPNYTPQ483R6TAO53/IMG_9119%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park The base of the massive column in the cave has a very interestingly contoured texture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624749452-6BEID7XGH20MP1SN9LVJ/IMG_9122%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Crawford State Park An UV light reveals packrat feces as well as the beginnings of some new stalagmites. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624754054-7WUJU1AFEW6KDFLLY4WN/IMG_9127%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Stop 3.2 Sweet Creek Falls At Sweet Creek Falls, an observant GSOC member spotted some mafic inclusions in the riprap installed below the footbridge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624754604-FYP0VSKITCESKX8HXNS1/IMG_9129.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Stop 3.2 Sweet Creek Falls GSOC participants examine the rocks in the stream. They include the Ledbetter Slate bedrock, Maitlen Phyllite, and Addy Quartzite, all of which were deposited in the Lower Paleozoic. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624731872-RMJ4YWTGI633KTLPMPRP/IMG_5441%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Stop 3.2 Sweet Creek Falls The author visits Sweet Creek Falls in August 2024 on Recon 1. This photo shows a good view of the Ledbetter Slate. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624720094-RORN8NENZ13XC3WAAE0Q/IMG_5433.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Box Canyon area This photo shows the roadcut of Eocene Tiger Formation near Box Canyon Dam. The Tiger formation contains conglomerates of the Lower Paleozoic formations in the Pend Oreille Valley. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624721050-I74XK6ZNL96MA1SXQ3LQ/IMG_5423.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Stop 3.4 Box Canyon Dam Overlook The highlight of this overlook is the 1910 Idaho & Washington Northern Railroad trestle. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624755697-PM6JIJ8NXBYDTX9WF9J1/IMG_9135%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Stop 3.4 Manresa Grotto This cave along the Pend Oreille River was carved from the Tiger Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752624756779-BX7YU2K8JBDOMGGAPS9B/IMG_9139%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 3 - Stop 3.5 Manresa Grotto The altar or table in the grotto contains fossils. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637493623-JCW9MBCON392LJ7M2LMX/IMG_9143%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.1 Waitts Lake Rd. The GSOC group observed the argillitic deepwater deposits of the Togo Formation, oldest of the Deer Trail Group. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637496099-AWHX8LROJ6B6OF4TUDFH/IMG_9146.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.2 Waitts Lake Rd. A nearby roadcut of Monk Formation from the Cryogenian reveals boulders composed of diamictite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752639141167-EALDRTUYXRL7VOV1EU42/IMG_8598%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.2 Waitts Lake Rd. This mine straddles the Lane Mountain Fault and separates the much younger Monk Formation from the Togo Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637497651-QVBYGHOR7GMST1BVIZEK/IMG_9152.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.3 Red Marble Road The next roadcut is the quartzite from the Wabash-Detroit Formation of the Deer Trail Group. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637500896-X0RVJ8V9ASQ8Z12Z5FMI/IMG_9156%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.4 Red Marble Road The McHale Slate is found at the next roadcut. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752639141167-IISEH9DIBMEVTHXS73AA/IMG_8625.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.5 Red Marble Road Finally we make it up to the Red Marble Quarry in the Stensgar Dolomite Formation at the top of the Deer Trail Sequence. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637501367-JB7QIXCWEEAOC9NDFHUX/IMG_9159%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.5 Red Marble Road Dr. Pritchard discusses the composition of the dolomite and its mineral inclusions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637503938-9WLMNDZ3GSKV5VJRKECH/IMG_9162%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Stop 4.5 Red Marble Road Beautiful magnesite crystals (magnesium carbonate) that have infiltrated the dolomite were mined for steel production in the World Wars of the Twentieth Century. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752639147908-B5GVP5O6WFV1Y867GPOE/IMG_8636%282%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Red Marble Road above the quarry During Recon 2, Clark and I drove up to the roadcut of the Buffalo Hump formation above the quarry on a very rough road. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752639148672-O27MP3GKAGMVMZK9R60X/IMG_8645%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Red Marble Road above the quarry Clark and I also hiked further up to a roadcut of the Lower Huckleberry Formation, another diamictite bearing stratum of the Cryogenian. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752639150881-26B8A17YL6ITE5PVJGWW/IMG_8651.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Red Marble Road above the quarry From the road we got this view of the quarry and the Colville Valley. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637505100-EJDLF0657C8TPHLK3M44/IMG_9166%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Valley, WA At our last lunch together, the group stretches out the timeline along the picnic shelter. A few hardy souls continue to Republic WA. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637507727-HBUGPSLT2DIAKW9EUL73/IMG_9172%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Addy, WA This is the type location for the Addy Quartzite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637507451-WXS1FUMLU7SF2QIDE92R/IMG_9174%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Addy, WA Early “worm tracks” in the Cambrian Addy Quartzite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637512252-T6D1UGFPC8HRDDAGPAJ1/IMG_9175%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Barney's Junction This amazing roadcut is of mylonite formed by the Kettle Dome metamorphic core complex. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637512311-GKSP8WM0L8GMIO0URKGK/IMG_9176%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Day 4 - Barney's Junction More mylonite exploration. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637489850-O0X53Z16BZ00ZWMHOXIN/IMG_5496.jpg Articles - Delving into Deep Time in the Spokane Area - Stone Rose Quarry We all had hopes of finding another cocoa flower in the quarry… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637491005-LKOF6PMDJ7TWYUA89XQB/IMG_5500%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Stone Rose Quarry …but it turned out to be more like breaking rocks in the hot sun. Time to go home! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1752637514537-36G0D3QB0XBNG7CESV6Z/IMG_9224%281%29.jpg Articles - Delving into Deep Time in the Spokane Area - Manilla Creek Road I encountered this amazing Columbia River view heading towards Grand Coulee Dam on the way home. https://www.gsoc.org/news/2025/banquetrecap90 monthly 0.5 2025-04-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7833fb3b-c99c-4c2b-aed5-e4bf68b8c095/IMG_8155.JPG Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet - Make it stand out This beautiful green elbaite crystal comes from Brazil. Photo courtesy Ivar Lepidus. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/969c9371-b952-4263-9f2e-30be0acb9268/IMG_8156.JPG Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet - Make it stand out The complex structure of tourmaline crystals. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1743964672585-EYVQCBIRNPGRP0R0ULGC/IMG_7522.jpg Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet GSOC Members digging in https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1743964672529-BUTB942P73CZ1FHNY36D/IMG_7531.jpg Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet Janet Rasmussen (left) receives her life membership certificate. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1743964673578-HLTR6GLD0F1PA70TVZ37/IMG_7527.jpg Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet Gary Joaquin recording the lecture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1743964673949-SBCCMUFU1YO3Z2YXMKVY/IMG_7525.jpg Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet Julian, Barbara, Barbara Dutrow and Aaron at the banquet table. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1743964719548-YSV7KYFWGO08FRV2BYZ0/IMG_7541.jpg Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet Julian and Barbara Dutrow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1743964719557-YA1VDDQKRHA3DK4KKIX7/IMG_7544-1.jpg Articles - From Awards to Tourmalines - recapping the 90th GSOC Annual Banquet - GSOC Past Presidents Back row l to r Clark N., Larry P., Bonnie P., Janet R., Sheila A., Carol H., Jane W., Tom G. Front row l to r Julian G., Paul E., Clay K. https://www.gsoc.org/news/2024adriana-olvera monthly 0.5 2025-02-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/03005191-4bd5-4382-ac5f-e65bd61f5a1e/9270B71E-46B6-442E-83FA-1B7F69015CDA.jpg Articles - Adriana Olvera, PSM Candidate - Make it stand out Adriana Olvera, PSM Candidate https://www.gsoc.org/news/2024brittni-bishop monthly 0.5 2025-02-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/f62e5368-2245-41b9-bf68-2fdae190658c/973852AC-AD81-4A14-927C-2B459BCB03AC.jpg Articles - Brittni Bishop, Masters Candidate - Make it stand out Brittni Bishop, Masters Candidate https://www.gsoc.org/news/2024javaria-aziz monthly 0.5 2025-02-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b109363f-080a-4c3e-bedf-debc6b14f810/9F83ACFC-3C35-4FDD-BEBD-0464750BEF41.jpg Articles - Javaria Aziz, Masters Candidate - Make it stand out Javaria Aziz, Masters Candidate https://www.gsoc.org/news/2024cody-wilbur monthly 0.5 2025-02-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a855d2a9-02de-4fa2-a35f-0471a310854e/2B866A55-D83B-4420-B310-0C573117423B.jpg Articles - Cody Wilbur, Masters Candidate - Make it stand out Cody Wilbur, Masters Candidate https://www.gsoc.org/news/2024natalie-culhane monthly 0.5 2025-02-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4f2d6a81-aa70-4742-be8c-cc405af0f85a/E6D0BF32-5116-47A0-932D-F307490ED67B.jpg Articles - Natalie Culhane, Masters Candidate - Make it stand out Natalie Culhane, Masters Candidate https://www.gsoc.org/news/2024vincent-mugica monthly 0.5 2025-02-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/3272d2bf-3c95-444d-8793-c14b030f3a34/mujica.jpg Articles - Vincent Mugica, Masters Candidate - Make it stand out Vincent Mugica, Masters Candidate https://www.gsoc.org/news/2024benjamin-botwe-agyemang monthly 0.5 2026-02-19 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ed43cb3a-ded1-452f-8d2c-1ae4656a45ea/agyemang.jpg Articles - Benjamin Botwe' Agyemang, Masters Candidate - Make it stand out Benjamin Botwe’ Agyemang, Masters Candidate https://www.gsoc.org/news/2024daniel-sheikh monthly 0.5 2025-02-24 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/35889008-e10d-47d4-9d29-6bb280ca8730/B012FD42-8CED-4D53-82E6-BEC2006175B6.jpg Articles - Daniel Sheikh, PhD Candidate - Make it stand out Daniel Sheikh, PhD Candidate https://www.gsoc.org/news/2024alyssasmith monthly 0.5 2025-02-24 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/5f74c0a0-17bc-4c20-a981-9e5042c890e4/A8FAB52E-05DC-4A45-BFA5-B93986E44055.jpg Articles - Alyssa Smith PhD Candidate - Make it stand out Alyssa Smith, PhD Candidate https://www.gsoc.org/news/2024/landslidefieldtrip monthly 0.5 2025-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/034d838d-6ff7-46ce-99ee-bd4c5ea90d76/2024-09-28+numbered+stops+map+2.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip Figure 1. Numbered field trip stops on a highway map of the West Hills. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/562880f9-e75a-45a4-bd1a-c8b473dd5018/2024-09-28+SLIDO+MAP+with+stops.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Figure 2. Numbered field trip stops on a DOGAMI SLIDO landslide base map. Bill Burns, who was once a student of Scott Burns at PSU (no relation), is now the lead landslide geologist at DOGAMI. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d51a713e-6ab5-4e63-a13d-860b1e9e879c/2024-09-28+numbered+stops+1-4.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Figure 3. A closer view of Stops 1-4 on a hillshade map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c6653fb9-5cea-4d6a-83d7-59a92e27884d/IMG_5876.jpg Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Photo of Highway 26 at Stop 4, showing a small landslide with alder trees growing on it. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4bab889c-995e-4a4d-90af-60f957d13e52/2024-09-28+numbered+stops+5-6.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Figure 4. A closer view of Stops 5-6 on a hillshade map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/53933d34-24ee-4893-bc4e-2bcb1a8f637b/IMG_5878.jpg Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Photo of the landslide at Stop 5. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/648a6adb-2120-470a-a8f9-93c4311d419e/IMG_5890.jpg Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Eastward facing landslide at the cemetery. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/77d3ad6e-a8be-489f-9a03-218e430b72b4/2024-09-28+numbered+stops+7-8.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Figure 5. Stops 7 and 8 with the hillshade background. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b1dd797f-bfd3-41f4-8ab9-8da20d81e2d6/2024-10-02+DOGAMI+LIDAR+cemetery.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Figure 6. DOGAMI LIDAR image of cemetery area. Note the flattened hilltops and arrows pointing to the head scarps of the slides. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/af2885f3-c960-4b33-81f4-759d05c8932c/IMG_5898.jpg Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Gabion wall photo from Stop 9. Note the young alders growing atop the slide, and Douglas firs growing farther back on more stable material. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ddb03e75-97d0-4a38-875e-5156d8551d12/2024-09-28+numbered+stops+10-11.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Figure 7. A closer view of Stops 10-11 on a hillshade map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d1cf7e32-8f44-41b8-8b40-85bf37e88dfa/IMG_5910.jpg Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out A photo of the tennis court fence with the dimple at the slide boundary shown below the arrow. The curb along the sidewalk was similarly dimpled. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/663285dd-a578-47db-b7af-ce67ee71f7b1/2024-10-03+PDX+Lanslide+Stops+Table.png Articles - Slip Sliding Away - a recap/field guide of the Landslides of Portland's Tualatin Mountains Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.gsoc.org/news/2024/wascofieldtrip monthly 0.5 2024-10-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/8cb6dd79-c1fe-4f55-8dc8-d4195fd34c94/Elevation+key+copy.png Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/8939d065-61ae-4256-acbd-f25958ac2549/Wasco+recon+stops+map.png Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Reconnaissance Points for Wasco County Geology Field Trip. Note the uptilting of the bedrock platform bounded by the Tygh anticline. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679471816-99DU1SPRUBQKYPWOP3CA/IMG_4933.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Exposure of The Dalles Formation crowns the hill behind the city. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679472107-UK9EEFEE4UGOX8XA7OA8/IMG_4934.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOC members wait for the trip to begin. It's National Donut Day! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679475994-NVEHWGDRFDAU3IP8MRPE/IMG_4937.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOC participants at Stop 1. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679476421-86N0IVTNVY09I40P4E0S/IMG_4938.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The light grey color of The Dalles Formation outcrop at Stop 1. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679478931-63BNKA1KP57OJ4WUH97A/IMG_4940.JPG Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Map at Stop 2 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679481761-0FU1UFIOR5QKZEUEINEG/IMG_4941.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Clark marking up his maps to show geological structure. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679486672-CXJBS5XD647GC2QYX3JD/IMG_4943.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Missoula Flood deposits at Stop 3. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679487277-4V7S0HYPANR2O9PHG977/IMG_4944.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOC participants at Stop 3. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718679488904-1F3NZUBU6GG5063ZD4JZ/IMG_4947.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Looking from Cherry Heights to the Government Flat Landslide at Stop 4. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686548946-MIISEM10NA86ULNC936W/IMG_4951.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip At Sorosis Park overlook, Niewendorp discusses landslides in the area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686549159-AXQZJ6RE0A71IZH29MQE/IMG_4953.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Notice the hummocky terrain below the cliff edge with homes and trees - landslide! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686550402-EZ90HPZ32L8VPZ3320TX/IMG_4957.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip At Stop 6, the group observed the Maupin Fault https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686552384-QEXUZ8OAVXULXET634P8/IMG_4962.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Layers of The Dalles Formation on one side of the Maupin Fault. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686550936-XCWN3DRPNIW6W6XHM8LH/IMG_4959.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The Maupin Fault. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686551737-11U7KLOGAJRO2UZC05WT/IMG_4960.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Clark has the group looking at the map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686553518-9PPNCJCJARYWZO35XMNA/IMG_4965.JPG Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Clark explains the fault complexities in the area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689584778-UI66O6BZZ8RT2YXRYAU0/IMG_4964.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Bonnie and Clark clarify a point in the discussion. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686554527-8A7GSFDLQVLQ5399RMVE/IMG_4967.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Tilted layers in the Mill Creek anticline. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686555071-UWDLVGVCTPS6LG08KQEQ/IMG_4968.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Fault breccia in this boulder. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686556488-IZ8KW9LMVODQAT1JFWWC/IMG_4970.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Fault breccia at Stop 8. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718686556830-DVYEUELYY315YRNFQF2K/IMG_4973.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Group discusses and observes the fault breccia. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688271900-48C7EE1A3GGW9YUJKMOE/IMG_5023.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The CRBG exposure at Stop 9 begins Day 2. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688268515-DYYGUYRXOZOUYFQLOPVQ/IMG_4976.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Scott Burns prepares to explain the details of the roadcut at Stop 10. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688267471-87S0DOB460AVTH9V8JIY/IMG_4975.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The left side of the Stop 10 roadcut showing the Missoula Flood deposit. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688267398-WHVAVIN4QLJIBMA1ESBJ/IMG_4974.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The right side of the Stop 10 roadcut showing, from L to R, Missoula Flood deposit, clastic dike, paleosol layers beneath the capping loess. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688268854-5GENZ534QVFQETRI90EC/IMG_4980.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip A participant asks a question of Scott Burns. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688269896-EF6FRX9UJEW9RCA08IDW/IMG_4982.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Quarry at Stop 11. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688270434-9LZ2R6H90YD4NUBUOKXR/IMG_4983.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Quarry at Stop 11. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688271181-XIDCI6CRT5J49TZF8220/IMG_4986.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Clark explains the reverse grading of the lahar exposure at Stop 12. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688302181-DA042LR1525BPCEXJJZU/image000000.JPG Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip A golden eagle temporarily distracts the group. Taken by Srirama Chandra through Carol's spotting scope. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688302317-J69F9OBR0RY7O4Y8NJNU/IMG_4730.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Further up Five Mile Road beyond Stop 12. Taken in May during the recon trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718688303408-FKG8Z2DQT8AH9GZELARW/IMG_4732.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip View from the hill of the Five Mile Creek Valley during the recon, with arrow-leaf balsam root in bloom. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689945548-OV5N8SKZOHGI8ZNRYOWL/IMG_4988.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOCers examine the exposure of Engineers Creek Tuff at Stop 13. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689945687-G9AUEI0XQQ54UC8M4DAQ/IMG_4990.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Clark discusses the exposure. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689947442-97YCBOBE237G61ICABHK/IMG_4991.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip A more detailed view of the exposure at Stop 13. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689947704-DUGMU895434M8JQ42OMX/IMG_4992.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip A large pumice clast in the tuff. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689948669-5MGRL98RF6XKU0EZA12O/IMG_4996.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip A chunk of glassy dacite from the tuff. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689948818-M2JBYN55GI0K59RHKZ0R/IMG_4999.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Another chunk of tuff material with glassy dacite inclusions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689949637-0U9EZKZ08EHI4CSOX6S6/IMG_5001.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Clark reviews the path of the tuffs at Stop 14. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689949932-TPJTJ2O3FIXZOFUZ4KBE/IMG_5003.JPG Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Map of the tuff exposures. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689950753-O51LB318HBSYZ4S3D6UH/IMG_5006.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Group photo at Friend School - American Gothic? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689951222-2VY5JG170C02VLNSETRP/IMG_5007.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Group with a better view of the school. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689952700-T6W1MXV2J2YBFREX9QVG/IMG_5010.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOCers swarm over the dacitic tuff of Stop 15. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689952658-SD1WA1R1OWVF69DLA6I5/IMG_5013.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Chunk of tuff with many inclusions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689953730-EP6FLE6IFLK885EYVYEA/IMG_5014.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Chunk of pumice from Stop 15. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718691566826-XQ3Q7NS5MIB3SENZ8OQ6/IMG_2527.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Julian and Carol at Stop 15. Taken by Bonnie Prange. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689954415-D8YODJ9PU1DWVXJSQLSM/IMG_5015.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Dacite bedrock at Stop 16. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689955043-DVC5KSZX57XOYTOVJ39B/IMG_5016.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOCers swarm the outcrop with hammers and cell phones. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689955802-OHFVSW2LLXPA513D0HCM/IMG_5019.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip More Stop 15. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718689956030-T0TUJSQB8B5AX0XNYUS8/IMG_5022.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Chunk of the porphyritic dacite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690805790-077N7NJ3DYONBJRX69UC/IMG_5031.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip GSOCers assemble in the parking lot at White River Falls State Park. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690806835-LLEX9NCTHQ8XLJR36VKH/IMG_5044.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip View of the upper and lower cataracts at the falls. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690807174-XFRC2M7TOYCMRDT0BCYY/IMG_5045.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Some bird viewing by some of the participants. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690805465-1LXLD3SNL98FRH7G0GUZ/IMG_5039.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip American dipper fledgling below the lower falls. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690892310-P07255A0LFHID4Q7MV9A/IMG_4745.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The old powerhouse below the falls. Taken in May 2024. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690895648-7LFEZH98VJ336CBI2KIF/Wasco+2022+1.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip The cinder cone quarry along NF 2710. Taken in July 2022. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690895717-X9SD2QH3PFEN4117QJI4/Wasco+2022+3.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Driving down Happy Ridge Road in July 2022. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690896810-RSTWDHVO46DI5BCRK76T/Wasco+2022+5.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Lakebed sediments above the fairgrounds area. Taken in July 2022. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690892451-NP9INMXVXVE8T3TASKTI/IMG_4747.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Overlooking the volcano at the White River Crossing off of Victor Rd. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690894194-BL8BI40PIO1TE7IZR2FF/IMG_4752.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Closeup of the quarry on White River Crossing Road. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1718690893996-8LDYFBVFCNJ2FWEEY935/IMG_4749.jpg Articles - Episodes of Death and Destruction - a recap of the Wasco County Geology Field Trip Looking up the White River gorge from the Victor/White River Crossing Road area. Taken in May 2024. https://www.gsoc.org/news/2024/5/22/rosemary monthly 0.5 2025-10-11 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1716405805022-O42XEKIW1RZC0GWSQSDG/Rosie+1951+Wales.JPG Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) Rosie and friends in Wales on her epic 1951 journey. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1716405803626-434UH7SQ0SC39GKDML5W/Rosemary+gsoc+travel+prez.JPG Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) Rosemary on a GSOC tour, approximately 1989. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1716405803625-3BRVK33H8NQUG1QYR6JZ/Rosemary+travel+map.JPG Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) Rosemary's life-long travel map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1716405764739-VFIG7QNTUYGCIMZV1YWG/PREZES.JPG Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) GSOC Past and Current Presidents, 2000. Rosemary is second from left in front, chatting with Esther Kennedy. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227463735-OWMW9O90C0X6F4GMQ4DQ/Janet4.jpg Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) September 2007 GSOC Klamath field trip. Rosemary is in the middle row on the left, bowing her head. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227469149-7QVYZ3RBAXNJEZRCCG23/P9080365.JPG Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) Group photo north of Sumpter Valley, 2008. Rosemary is on the left. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1716406180978-827UB57SMIF09WLZ1CUO/Old+Timers+medium.jpg Articles - Tribute to GSOC Past President Rosemary Richartz Kenney (1926-2024) GSOC Old Timers get together April 2022. Rosemary is on the left. https://www.gsoc.org/news/2022/4/26/gsoc-89th-annual-banquet-2024 monthly 0.5 2024-03-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ed354e02-c5e1-42ea-89ec-21db880c6ae8/2024+banquet+1.jpg Articles - GSOC 89th Annual Banquet Recap - Make it stand out Ten of the eleven GSOC Presidents & Past Presidents attending the 2024 banquet: current President Julian Gray, Past Presidents Carol Hasenberg, Janet Rasmussen, Sheila Alfsen, Jane Walpole, Bonnie Prange, Paul Edison-Lahm (rear), Tom Gordon, Clark Niewendorp (rear), and Larry Purchase. Not shown is Past President Clay Kelleher, who was the emcee for the event (see other pictures). Photos by Carol Hasenberg unless labeled otherwise. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/986cbbde-f310-45f4-876b-3dac06511e9a/2024+banquet+5.jpg Articles - GSOC 89th Annual Banquet Recap - Make it stand out Chief banquet organizer Barbara Stroud https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a19ac87d-cf51-41d1-a3cf-d2be86bf6482/2024+banquet+2.jpg Articles - GSOC 89th Annual Banquet Recap - Make it stand out Outgoing president Clark Niewendorp “passing the torch” to Julian Gray. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272556976-3NL1BUMGWVUNALWZNLWT/2024+banquet+6.jpg Articles - GSOC 89th Annual Banquet Recap GSOC members and their guests gather in the Kennedy School gymnasium https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272557001-8L0VLWH2Q4BMYA85NUSQ/2024+banquet+7.jpg Articles - GSOC 89th Annual Banquet Recap GSOC member Charlie Montross says hello. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272557722-JI79NUXQ5UJMXLL0T7XA/2024+banquet+8.jpg Articles - GSOC 89th Annual Banquet Recap Sheila Alfsen and Garret Romaine remember their film of the Rice Museum. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272601620-FUSOLO14W51UC6I7XJLZ/2024+banquet+10.jpg Articles - GSOC 89th Annual Banquet Recap Denny Chamberlin, Herb Dirksen, and Bill Burgel converse. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272558109-C31FI7IU58Y5HDQ0TRTJ/2024+banquet+9.jpg Articles - GSOC 89th Annual Banquet Recap Incoming board member Gary Joaquin (center) and his wife Alisa. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272601454-XAEII5I1QDNCJ74A7QE1/2024+banquet+11.jpg Articles - GSOC 89th Annual Banquet Recap Paul Edison-Lahm and Julian Gray https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272602294-U1B16YPJUEW13K8IZ5S2/2024+banquet+12.jpg Articles - GSOC 89th Annual Banquet Recap Janet Rasmussen and Clay Kelleher https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272602435-PZEN3LCX75Y7R0JT2MNE/2024+banquet+13.jpg Articles - GSOC 89th Annual Banquet Recap Kyle Hersey and Bonnie Prange. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272656223-5QPGE1WWMS0XQBI0EJB4/2024+banquet+17_barb.jpg Articles - GSOC 89th Annual Banquet Recap The display of past GSOC placecards at the banquet. Photo by Barbara Epstien. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710272656844-1NURFVERPNW0Q6J8JXE2/2024+banquet+3.jpg Articles - GSOC 89th Annual Banquet Recap Clark introduces Julian to the GSOC memorabilia. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/67c5f614-2275-47bc-bf4d-67aa680ddfe9/2024+banquet+4.jpg Articles - GSOC 89th Annual Banquet Recap - Make it stand out Banquet speaker Ian Madin https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710274080704-MOWGAOFI59WQ1A9C6SZC/2024+banquet+18_barb.jpg Articles - GSOC 89th Annual Banquet Recap GSOC audience looks at detailed LiDAR image of mima mounds. Photo by Barbara Epstien. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710274080773-WEPQF0LXAXKR4GZUOEZJ/2024+banquet+14.jpg Articles - GSOC 89th Annual Banquet Recap Ian explains LiDAR https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710274081521-R1BTROZZPJFJGALINWWN/2024+banquet+15.jpg Articles - GSOC 89th Annual Banquet Recap Ian compares standard USGS 10-meter DEM map (left) with LiDAR map (right) of the same area https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1710274081662-43SJKVE28HHUMDM3XAEY/2024+banquet+16.jpg Articles - GSOC 89th Annual Banquet Recap Ian compares LiDAR to sliced bread. Which invention is better? https://www.gsoc.org/news/2023/angela-stetson monthly 0.5 2024-02-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/80316d9a-1f4c-4559-9fdf-c0b7a3dc4abb/Angela+Stetson.jpg Articles - Angela Stetson Master's Candidate - Make it stand out Angela Stetson Master’s Candidate https://www.gsoc.org/news/2023/alyssa-smith monthly 0.5 2024-02-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0eec7932-761f-4373-b3d7-9226eb9fa218/Alyssa+Smith.jpg Articles - Alyssa Smith PhD candidate - Make it stand out Alyssa Smith PhD candidate https://www.gsoc.org/news/2023/lizzet-reyes monthly 0.5 2024-02-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2d58f99a-1084-4a7f-8df6-63d0521d454f/Lizzet+Reyes.jpg Articles - Lizzet Reyes Master's Candidate - Make it stand out Lizzet Reyes Master’s Candidate https://www.gsoc.org/news/2023/obinna-ozioko monthly 0.5 2024-02-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b9fbb1d8-be3d-453f-b1c6-db1b94209cac/Obinna+Ozioko.jpg Articles - Obinna Ozioko PhD candidate - Make it stand out Obinna Ozioko PhD candidate https://www.gsoc.org/news/2023/brett-hopt monthly 0.5 2024-02-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/645da89b-4957-4e62-96e7-f20ecfb3b8ca/Brett+Hopf.jpg Articles - Brett Hopt Master's Candidate - Make it stand out Brett Hopt Master’s Candidate https://www.gsoc.org/news/2023/javaria-aziz monthly 0.5 2024-02-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c70164f3-8429-42b3-a67e-a941da152ea8/Javaria+Aziz+edit3.jpg Articles - Javaria Aziz Master's Candidate - Make it stand out Javaria Aziz Master’s Candidate https://www.gsoc.org/news/2023/george-anim monthly 0.5 2024-02-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/42224b7d-9fbe-4c6e-b91e-75e6e8c7ad37/George+Anim+edit+2.jpg Articles - George Anim Master’s Candidate - Make it stand out George Anim Master’s Candidate https://www.gsoc.org/news/2023/8/18two-cascades-field-trip-2023 monthly 0.5 2024-06-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/73dfbfcb-dc4a-42bf-b896-234466e40742/Screenshot+%285%29.png Articles - Two Cascades Field Trip 2023 - Make it stand out Google map displaying our field trip stops. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286478085-JSDFHDXMMGGL0UUJRPRN/01.JPG Articles - Two Cascades Field Trip 2023 Google map displaying our field trip stops https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286478385-67NZZMQ7HADFBJPQP8X4/02.JPG Articles - Two Cascades Field Trip 2023 Stop 1 - View downstream from the top of Detroit Dam https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286479099-47YV7Q47NK3YIFUDKCQN/03.JPG Articles - Two Cascades Field Trip 2023 Stop 2 - Lava flow along Highway 22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286479403-9ACJP0TWG7MZB97CG8V4/04.JPG Articles - Two Cascades Field Trip 2023 Stop 3 - Little Nash Crater - now a quarry https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286480032-AN1FB05VT57P8MS5ZJUE/05.JPG Articles - Two Cascades Field Trip 2023 Stop 4 - Hogg Rock (by Tedder at Wikimedia Commons) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286480305-2CNYA22QPW9XYYFBBAF2/06.jpg Articles - Two Cascades Field Trip 2023 Stop 5 - Mt Washington - note the gentle slope to the right and how that indicates the shield shape https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286481066-5MDYR0UY6H9VSDPO0D11/07.JPG Articles - Two Cascades Field Trip 2023 Lunch stop - Suttle Lake - glacially carved, looking to the west, swimmers (not GSOC) enjoying the amazingly warm water https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692367583200-S7704V7RMICRXDWV8QMA/08.JPG Articles - Two Cascades Field Trip 2023 Stop 6 - Three Sisters viewpoint - from the left, Broken Top, South, Middle and North Sisters. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286482190-M0CAE31XGAEOQPR9TASV/09.JPG Articles - Two Cascades Field Trip 2023 Stop 7 - Tumalo Tuff - layered sediment typical of underlying “paving” in central Oregon under the High Cascades https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286482329-ABP3ZAO2MC40N7LDSC9V/10.JPG Articles - Two Cascades Field Trip 2023 Stop 8 - On top of Pilot Butte in Bend https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286954792-1EPFB7FNOJ9MCDUKS4BL/11+physiographic+provinces+of+Oregon.jpg Articles - Two Cascades Field Trip 2023 Physiographic Provinces of Oregon (from DOGAMI site) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692368094595-17M0T3GFOYZB3TMXJCX3/Oregon%2BFaults.jpg Articles - Two Cascades Field Trip 2023 Graphic of faults in the area https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692367830311-K5578YH66PNYCJITXLGJ/Central+Oregon+Vents.png Articles - Two Cascades Field Trip 2023 Graphic of the many cinder cones in central Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692367882521-8VGNSZAYQKMQBJ3TFRTG/PNW+Rotation.png Articles - Two Cascades Field Trip 2023 The clockwise rotation occurring in Oregon and Washington, as noted using precise GPS measurements over time https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286485010-X1M2AR03Q1EZHRSXH0HN/15.JPG Articles - Two Cascades Field Trip 2023 Mt Bachelor from the West Village parking lot https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286485112-NSIIGYVILJYU0EVCW3JR/16.JPG Articles - Two Cascades Field Trip 2023 Small cinder cone chunks, indicative of much of the ground cover in central Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286486310-S5QLKIJ22BESZXUZGIJO/17.JPG Articles - Two Cascades Field Trip 2023 Larger pieces of lava seen on Mt Bachelor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286486148-4AMIO2IHD6JCAY2RDNVC/18.jpg Articles - Two Cascades Field Trip 2023 Graphic of northwest subduction activity (from Oregon.gov) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286487433-XIESG7RO9O4K70J6C5YW/19.JPG Articles - Two Cascades Field Trip 2023 Cinder cone on the north side of Mt Bachelor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286487540-S21F974KL92PSGJ422WZ/20.JPG Articles - Two Cascades Field Trip 2023 Three Sisters from Mt Bachelor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286488437-0CXY90S8QOY8YYI7IJHL/21.JPG Articles - Two Cascades Field Trip 2023 Broken Top from Mt Bachelor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286491549-GQJNYN6VW47MTPL3355K/25.jpg Articles - Two Cascades Field Trip 2023 Daniele Mckay (closest) explaining groundwater at Devil’s Hill field (taken by Nancy Collins) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286489455-E4BLGMBJTZH2VBYBLWTC/23.JPG Articles - Two Cascades Field Trip 2023 Example of freeze/thaw cracking on this very large rock (4’ diameter) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286490964-BVJBBBHW0W0K0KP8616J/26.JPG Articles - Two Cascades Field Trip 2023 LIDAR image of the many cinder cones around Newberry Volcano and the Sisters https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692286492105-Q9MVRU2BLDQZKCF8E5E1/27.JPG Articles - Two Cascades Field Trip 2023 LIDAR image showing the sharp difference between the older West Cascades and the current High Cascades https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7e22c60f-66cd-40f2-8711-7b05dc5e4f33/02.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out View downstream from the top of Detroit Dam https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b153235d-aea3-4983-aca3-27f14965fe7c/03.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Lava Flow along Highway 22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2018ee9f-fbe6-4939-b041-6f138b061377/PXL_20230717_185306326.jpg Articles - Two Cascades Field Trip 2023 - Make it stand out Little Nash Crater - now a quarry https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/df7d178e-f06b-4714-b626-886ec5763a2b/Hogg_Rock_-_Santiam_Pass_Oregon.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Hogg Rock (by Tedder at Wikimedia Commons, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=9814808) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/123cfbd8-6c55-47e1-beea-55812e6c8cf3/Mt+Washington+shield.jpg Articles - Two Cascades Field Trip 2023 - Make it stand out Mt Washington - note the gentle slope to the right and how that indicates the shield shape https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/00a8d292-a768-434d-b463-d2a75742df25/PXL_20230717_204007902.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Suttle Lake - glacially carved, looking west. Mt Washington is to the left (not in the picture). Swimmers (not GSOC) enjoying the warm water. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2c5922e4-7889-43ed-ba58-f26b80adb62a/PXL_20230717_215444776.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Three Sisters viewpoint on Hwy 20. From the left, Broken Top, South Sister, Middle Sister, and North Sister https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/09dbd3e9-65da-45b8-a582-03f1c5e7a197/09.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Tumalo Tuff layers https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/f7c400aa-8da1-4b1b-ab3e-6973a7601bb7/10.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out On top of Pilot Butte in Bend, Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/e048845f-4ccc-4aeb-8eef-52cf74b0fb78/11+physiographic+provinces+of+Oregon.jpg Articles - Two Cascades Field Trip 2023 - Make it stand out Physiographic Provinces of Oregon (from DOGAMI) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692373635997-FJ5K2M77YS4A67GHF1T1/Oregon+Faults.png Articles - Two Cascades Field Trip 2023 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692373635963-P5IBL3X9EHOBHJABG724/Central+Oregon+Vents.png Articles - Two Cascades Field Trip 2023 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692373637547-8R9LZUTX0F5XG9CQUCLS/PNW+Rotation.png Articles - Two Cascades Field Trip 2023 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2a506adc-40d0-41d6-a4f7-4fe1146b635e/15.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Mt Bachelor from the West Village parking lot, Pine Marten lodge is right around the tree line. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692374809691-BFL4TOFWXXFBKSR3BS2X/16.JPG Articles - Two Cascades Field Trip 2023 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692374809879-U2P57RJ6WH4EKIEF0LP0/17.JPG Articles - Two Cascades Field Trip 2023 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692375036743-GYVZHO7WEIZS7TJ42PI2/18.jpg Articles - Two Cascades Field Trip 2023 graphic from www.oregon.gov/oem/hazardsprep/pages/cascadia-subduction-zone.aspx https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b4e6767b-5692-4bcf-ae34-d4afe04dd503/19.JPG Articles - Two Cascades Field Trip 2023 - Make it stand out Cinder cone on the north side of Mt Bachelor - unofficially called the Egan Cone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692392961503-XZL70LRFHV27NY6XQAR2/20.JPG Articles - Two Cascades Field Trip 2023 - 20.JPG Three Sisters from Mt Bachelor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692392961503-7INSXOSIO9GA1PTBJN6Z/21.JPG Articles - Two Cascades Field Trip 2023 - 21.JPG https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692393386380-U9M3TUDVENISFK2KE07P/23.JPG Articles - Two Cascades Field Trip 2023 - 23.JPG https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692393387379-K20QN5SFIPV4H8LPFFUT/25.jpg Articles - Two Cascades Field Trip 2023 - 25.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692394108862-NHB04KMSWN96ZPVM9XMJ/26.JPG Articles - Two Cascades Field Trip 2023 - 26.JPG https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1692394108953-7PO7JZ2DOXCXIQCFY1MO/27.JPG Articles - Two Cascades Field Trip 2023 - 27.JPG https://www.gsoc.org/news/2023/8/29/gsoc-picnic monthly 0.5 2023-08-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/9f272afc-5daa-4280-b689-ebc6a6693759/beacon+labels.png Articles - GSOC Crowd Enjoyed the Annual Picnic at Beacon Rock SP - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.gsoc.org/news/2022/12/7/lab-work-on-mafic-dikes-will-reveal-magma-storage-depth monthly 0.5 2022-12-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1670403975025-F122RK3C0V3SWWYM8IOA/Rachel+update.jpg Articles - Lab Work on Mafic Dikes Will Reveal Magma Storage Depth - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.gsoc.org/news/2022/12/7/a-unique-dunite-clast-in-a-lunar-meteorite monthly 0.5 2024-02-12 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1670399922767-RTGWLRDN4GYL08AYV72O/Daniel+update.jpg Articles - A Unique Dunite Clast in a Lunar Meteorite - Make it stand out Daniel presents lunar meteorite findings at 85th Annual Meeting of the Meteoritical Society https://www.gsoc.org/news/2022/12/6/examining-magma-history-from-grains-of-olivine monthly 0.5 2022-12-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c22bf5d4-0a3c-47ee-80aa-3677e7ba6fde/Darlene+update.jpg Articles - Examining Magma History from Grains of Olivine - Make it stand out Darlene and Ian at Mt. Tabor; Amber Olivine Grains https://www.gsoc.org/news/2022/12/6/preparing-centraleastern-oregon-glass-for-mass-spectrometry monthly 0.5 2022-12-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1670398083384-61LWORPHX38OP9BVLXOZ/Julian+Update.jpg Articles - Preparing Central/Eastern Oregon Glass for Mass Spectrometry - Make it stand out Glass samples prepared for mass spectrometry https://www.gsoc.org/news/2022/9/14/2022/craterlake monthly 0.5 2023-08-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/bd038ab1-094e-4073-b05c-3702c5053b70/CL+vicinity+map+copy.png Articles - The Big Kapow! Crater Lake Field Trip Recap - Make it stand out Vicinity of the trip. The GSOC group lodged at Diamond Lake, toured Crater Lake area in Crater Lake National Park, and visited the Rogue River Natural Bridge area at the end of Day 2. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/e09583a4-1626-46c7-94d9-197c805b86b6/Crater+Lake+Trip+Stops+copy.png Articles - The Big Kapow! Crater Lake Field Trip Recap - Make it stand out This is a revised trip map from the field guide. We visited stops 1-4 and 6-9 on Day 1 and stops 11-15 on Day 2, plus the Rogue River Natural Bridge area (see vicinity map above). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/963a5f70-d167-421b-9fc6-3c601426a5bd/Bacon+2017+paper+cover.png Articles - The Big Kapow! Crater Lake Field Trip Recap - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299152929-9TU3XBPW4VM3DDAKI110/IMG_9714.png Articles - The Big Kapow! Crater Lake Field Trip Recap Stop 1 – This incredible deposit of ash fall and tuff at Annie Creek Canyon represents a total inversion of the magma chamber in the ring vent phase of the climactic eruption. Notice that the color of the material goes from buffy at the bottom to grayish at the top, reflecting the transition from rhyodacitic to more andesitic composition up the column. The steepness of the layers are indicative of the resistance to erosion. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299153903-L147T14N0PRLDFDFIBTV/IMG_9726.png Articles - The Big Kapow! Crater Lake Field Trip Recap Stop 2 - This roadcut near the park headquarters has been interpreted as a proximal pyroclastic deposit. Being so close to the source of the eruption, the maximum clast size is fairly large. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299160537-SWJD3WMK94WFA9MANLYK/IMG_9739.png Articles - The Big Kapow! Crater Lake Field Trip Recap This chunk of Munson Valley dacite found at Stop 3 exhibits a very grainy texture from all the phenocrysts it contains. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299159636-H8I4YRMZFX4LI0FU93AA/IMG_9768.png Articles - The Big Kapow! Crater Lake Field Trip Recap From Stop 4 Rim Village we could see Wizard Island and Llao Rock in the crater rim beyond. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299164058-S44EMOCJK1BI29JERO1H/IMG_9770.png Articles - The Big Kapow! Crater Lake Field Trip Recap From the Watchman Flow of Stop 6, we could look to the southwest and see Union Peak and Mt. McLoughlin in the distance. Mt. Shasta was not visible due to fire smoke haze in the atmosphere. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299169437-F110DY4177LTS9C3APT8/IMG_9775.png Articles - The Big Kapow! Crater Lake Field Trip Recap Lee points out the intact dacite flow in the roadcut on the crater side of the rim road at Stop 6. The 50,000-year-old Watchman Flow has a very glassy texture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299170310-49I57WRS0HHBVJPOR5OV/IMG_9784.png Articles - The Big Kapow! Crater Lake Field Trip Recap Stop 7 - Llao Rock Overlook. Llao Rock was a dacite flow that occurred just about 200 years before the climactic eruption. It consists of viscous, glassy rhyodacite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299180010-GMO1BF5T8H404L8GZZKC/IMG_9793.png Articles - The Big Kapow! Crater Lake Field Trip Recap A close up of a beautiful obsidian boulder at Stop 8. This was produced by the Llao Rock eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299182948-E625JXLM42TZY1QY062B/IMG_9828.png Articles - The Big Kapow! Crater Lake Field Trip Recap Stop 9 - GSOCers demonstrating good safety precautions along the Crater Rim Road with their safety vests and single file walking. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299189459-CNYEX5OLBB70FY3TZQ8L/IMG_9835.png Articles - The Big Kapow! Crater Lake Field Trip Recap Stop 9 - Pumice of Cleetwood Cove. This flow occurred directly prior to the climactic eruption and some of the material oozed back into the crater after the eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663343684467-PN7YBA0FZIOUPCWI7IWM/IMG_9817.png Articles - The Big Kapow! Crater Lake Field Trip Recap A little chunk of pumice. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663299193873-M6G26ZLD2TLDEZEKYF70/IMG_9847.png Articles - The Big Kapow! Crater Lake Field Trip Recap GSOCers give a fist pump for all the great stuff we saw on Day 1! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/fcb747b7-ead1-4156-a7a1-21ca040896cd/Crater+Lake+group+shot+copy.png Articles - The Big Kapow! Crater Lake Field Trip Recap - Make it stand out The group shot taken from the Wineglass Tuff stop at the beginning of Day 2. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663343768049-QW46G7AHSB7ZV2TX6O93/IMG_9728.png Articles - The Big Kapow! Crater Lake Field Trip Recap Ben Sloan explaining the processes creating the roadcut. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663343768149-5UTNYJOO3N5TCZPN3FQR/IMG_9746.png Articles - The Big Kapow! Crater Lake Field Trip Recap Ben makes a point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663343771406-L6Z2APK0ATG7SFPPBUK7/IMG_9831.png Articles - The Big Kapow! Crater Lake Field Trip Recap Lee discusses the pumice outcrop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301943694-ANHX7ZICF86UVWQWH8ZH/FullSizeRender.png Articles - The Big Kapow! Crater Lake Field Trip Recap GSOC participants return from the Llao Rock overlook. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301950362-N0OU53Q2U0SG6EPY955G/IMG_9720.png Articles - The Big Kapow! Crater Lake Field Trip Recap Christina always had a smile. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301955351-NEUVQV0D87G7R71V2Q0S/IMG_9723.png Articles - The Big Kapow! Crater Lake Field Trip Recap Randall, who I believe said he was from France, demos an interesting new use for our traffic cones. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301957694-VOE83AFPSTPX8SBF10PI/IMG_9782.png Articles - The Big Kapow! Crater Lake Field Trip Recap Driver Sheila smiling at the rim. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301962174-Z7W546PZOGKVHDM3XNXK/IMG_9852.png Articles - The Big Kapow! Crater Lake Field Trip Recap Alberto demos humane moth capture and release techniques in one of the Diamond Lake cabins. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302400723-JSR9ECSKENIJFE9RC522/IMG_9962.png Articles - The Big Kapow! Crater Lake Field Trip Recap Cheryl had some great info on the flora of the region. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301966616-I90NX852UOHCH2KTTUIM/IMG_9864.png Articles - The Big Kapow! Crater Lake Field Trip Recap Yours truly is smilin’ because things are going well on the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301971732-OMLL5ARJR5BZV77GYK0N/IMG_9865.png Articles - The Big Kapow! Crater Lake Field Trip Recap Driver Larry takes a shot of the scenery. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301973735-6ZU7C0LDP86V6JFZXXU8/IMG_9902.png Articles - The Big Kapow! Crater Lake Field Trip Recap GSOC Secretary Bonnie is enjoying the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663301977193-0Z8YY10UC2WOKO2K2PPZ/IMG_9937.png Articles - The Big Kapow! Crater Lake Field Trip Recap GSOC Treasurer Barb takes a contemplative eyefull of the scenery. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302956014-MO31SD3VHI06IXTJ75WZ/IMG_9869.png Articles - The Big Kapow! Crater Lake Field Trip Recap Stop 11 - Wineglass Welded Tuff - This orange colored material was deposited in a pyroclastic flow at the collapse of the Plinian eruption column in the first part of the climactic eruption. Material above this layer would be from the ring-vent phase of the eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302954170-XUJU6H50WB8HN9TZ2EM1/IMG_9872.png Articles - The Big Kapow! Crater Lake Field Trip Recap Lee has the GSOC participants come down in small groups to observe the composition of the Wineglass Tuff. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302959762-YIKV35N1VYPS7PP20KX9/IMG_9875.png Articles - The Big Kapow! Crater Lake Field Trip Recap Note the inclusions of pumice in the material. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302963766-Z4KA3VR8HNT6QEJVNSZT/IMG_9897.png Articles - The Big Kapow! Crater Lake Field Trip Recap The base of the Palisades Cliff is an old glacial till deposit from a previous glacial maximum. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302969265-5QUAWNCBOT6L1HY38JQW/IMG_9918.png Articles - The Big Kapow! Crater Lake Field Trip Recap A boulder at Skell Head Overlook is loaded with phenocrysts. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302969760-NJTN4480EG2YPGPMCBOO/IMG_9919.png Articles - The Big Kapow! Crater Lake Field Trip Recap This escarpment clearly shows all the phases of the climactic eruption. The central vent erupted first, so the buff layer at the bottom came from this vent. The welded orange tuff above that is the Wineglass Welded Tuff from the pyroclastic flows at the conclusion of this eruption. Then the clast laden, brownish layer above the tuff is the ring vents “clearing their throats.” Finally, the fine whitish ash layer at the top is the remainder of the magma being ejected in the main ring vent eruptions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302973785-FF3KJ41EV9QR2FPER2WV/IMG_9934.png Articles - The Big Kapow! Crater Lake Field Trip Recap Dutton Cliff and Applegate Peak frame the Sun Notch along the south rim of the crater as seen from Stop 13 Cloud Cap Overlook. The light and dark banding at the lower part of Dutton cliff are from the phantom cone eruptions and are some of the oldest rocks in the crater walls. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302974609-P7TVHOGQ8VH29CBR5AFF/IMG_9948.png Articles - The Big Kapow! Crater Lake Field Trip Recap The 71,000-year-old Pumice Castle and overlying 27,000-year-old Redcloud rhyodacite flow form the Redcloud Cliff. Mt. Thielsen is in the background. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663307418209-C39UGFFP4CP1CM2GP5K2/IMG_5100.png Articles - The Big Kapow! Crater Lake Field Trip Recap Phantom Ship, the heart of the Phantom Cone eruptions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302980446-9OJQGS2FUIO6ISAPFKBD/IMG_9983.png Articles - The Big Kapow! Crater Lake Field Trip Recap At the Rogue River Gorge, we visit the Natural Bridge formation where the Rogue River travels through a lava tube in a one-million-year-old flow. Here the water flows into the tube… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302979994-AJ7EJZUIUWVY69195PRK/IMG_9979.png Articles - The Big Kapow! Crater Lake Field Trip Recap …and comes out further downstream. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663302982948-GB3U0E97IHT5D9SONK5U/IMG_9987.png Articles - The Big Kapow! Crater Lake Field Trip Recap On the way back to Diamond Lake from the Rogue River Gorge, we see a fine roadcut of Mazama Ash. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308155617-Z7J8HWJXDPMTTZ2ZOROC/IMG_9684.png Articles - The Big Kapow! Crater Lake Field Trip Recap On the highway 138 route from Roseburg to Diamond Lake, we stopped at Falls Creek to observe the fire damage and huge boulders of basalt or andesite that were strewn in the creek vale. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308159595-O2JNMKC92UCL9ZPCQAZC/IMG_9704.png Articles - The Big Kapow! Crater Lake Field Trip Recap Tokatee Falls cuts through 25,000-year-old basalt from Mt. Bailey. Refer to Marli Miller’s discussion of Oregon Hwy 138 geology between Roseburg and US 97, starting on page 164 of Roadside Geology of Oregon, second edition. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308159400-G0QVQFBY0PPVOUAFC4F1/IMG_9708.png Articles - The Big Kapow! Crater Lake Field Trip Recap It was a little hot on our hike to see Tokatee Falls. Luckily it wasn’t too far. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308166019-4CWKY1MHCRC66Q0NZ85E/IMG_9965.png Articles - The Big Kapow! Crater Lake Field Trip Recap Before heading to the Rogue River Gorge, we stopped off at Beckie’s Cafe and polished off 4 pies. Here’s Barb showing the result. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308166345-PQCZ8KUQJXV3XH39ZIYS/IMG_9967.png Articles - The Big Kapow! Crater Lake Field Trip Recap Here’s Ben at Beckie’s Cafe. Is this a pie eating grin? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308171042-VDXE88JXDA0THTVBSYIX/IMG_9996.png Articles - The Big Kapow! Crater Lake Field Trip Recap Sue and Sheila demonstrate that pumice does float in the parking lot puddle. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308170038-G0WIG6OBEDT6KIB3KAJX/IMG_9999.png Articles - The Big Kapow! Crater Lake Field Trip Recap Diamond Lake and Mt. Bailey on one of our bike rides along the shore. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1663308153590-TC5BLEQ7XA9YP0XTLQY0/IMG_0003.png Articles - The Big Kapow! Crater Lake Field Trip Recap The view from the pizza parlor dining area at the end of the trip. https://www.gsoc.org/news/2022/8/12/2022/strawberry monthly 0.5 2022-09-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c7e1ede9-d1ed-420d-aa03-07de07340c5e/USGS+seismic+hazard+map.jpg Articles - GSOC Strawberry Mountain Field Trip - Make it stand out An example of a USGS seismic hazard map. This one maps the relative earthquake hazards in the U.S. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/23a7a39b-c39a-40e2-9c87-4f252b61584b/andrews+lidar+image+of+strawberry+fault+%28Medium%29+copy.png Articles - GSOC Strawberry Mountain Field Trip - Make it stand out This is a LiDAR image of the Strawberry Mountain Fault. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660363277378-NRCKANCW0VJ3DXMK0R1L/1A73EDB0-7C1C-47B9-A74E-A55F61901F7F+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip We met at the historic Cant Ranch in the John Day Fossil Beds National Monument to organize, then moved on to our first stop — the Mascall Overlook for a view north to Picture Gorge (Sheep Rock is the point between the notch). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660363282629-35333HGBJLC6RLQ3OVUM/08E1365A-0A3F-49FA-8FBE-3AB64D8B8F4D+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip Next, we stopped along Hwy 26 for a rare, although somewhat unimpressive, exposure of the John Day fault which controls the morphology of the John Day valley. The fault line is evident where the red rock abuts the black rock. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660363469534-ARZ5PNR05RW7XI1QHLM1/6B35E0FF-C0AF-40EA-9539-48603AF33BA8+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip We stopped at the Kam-Wah-Chung State Park to see one of the oldest buildings in Oregon and the oldest Chinese-American business in the Northwest, built in 1865. It served the Chinese residents who came to work mining gold in Eastern Oregon during that era. It was also a good spot to see the numerous landslides and all the major rock units of the area. Landslides are common due to the meandering John Day River which undercuts and over-steepens the soft rocks and clays of the John Day, Mascall, and Rattlesnake formations. The cap rock of Rattlesnake tuff and the low-angle dip of the formations creates perfect conditions for landsliding. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660365849037-IL5F449ZKV25S5I2HLB3/3BFAF382-4869-4EC7-AE68-69DB20B97C50+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip We ended Day 1 with a stop at the foot of the Strawberry Mountains to look at glacially-carved valleys and alluvial fans. Day 2 was spent hiking the Onion Creek trail to the location of Andrew’s research study area along the Strawberry fault and helping with auger core sampling and trench digging in search of the fault line. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660364198361-YHK0N7BPPME9AH0XQH7P/20220806_OnionCr-Start+%28Small%29.jpg Articles - GSOC Strawberry Mountain Field Trip Starting the 1.5 mile hike at about 5,000 feet elevation… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660364199552-ULMJX6EPRXYY8BTI28XY/D05461C4-E1E8-4F0A-882D-53C0F7D7DEF5+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip …and working our way up to about 6,500 feet elevation. We observed the natural re-growth of trees and native plants since a large wildfire in 2002. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660364199541-5IPYCJFQSPKJNSQSQ49Y/DAB0AA81-CCCC-4A25-844A-32AA8429D3A4+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip Including lots of Mariposa lilies (and bee friends). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660364272843-7HN0UX8PLXK6BU6PSGI9/F3310F2F-5850-492C-AAA7-D81909BF53E0+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip We learned how to make an auger core… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660364467447-5UEK9LJQNW5XE4VE5U03/1E061A7C-4470-4603-8713-A2A4B1EF3AB6+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip Those with strong backs helped to dig a trench in search of the fault line. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660364467342-S1GZ2EK9WPMGU5ZD0CJX/83EB0367-9B04-49F2-9FDA-348DA9A8C9BF+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip And analyze the soil layers found at various depths (including a 10 cm layer of Mt. Mazama ash!). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660365040540-192NZ4SFD9D4Z8ZISYK0/IMG_2282+%28Small%29.JPEG Articles - GSOC Strawberry Mountain Field Trip Andrew jumped in to do some of the detail work, still unsure that we actually found it. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660365995779-H9ODCYX4XDSJ962O3B4F/7FDCA93B-865A-4F01-8B4B-09B4EA9C93EB+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip Another 1.25 miles up the trail took us to a beautiful overlook of the John Day valley to north. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660365995998-Z8RXRUK06S7L0W410712/F487B3FE-D6A4-48AA-8E04-49AA3A096DB1+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip And a nice look at the Strawberry Mountain volcanic layers to the south. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660365995277-3BF1ETML8AUO178GXZOC/6BFD2B49-5004-47A3-8CD4-245603F63CC5+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip On Day 3, we enjoyed the easier 1.4 mile hike up to Strawberry Lake, a glacially-carved lake that has been dammed by a massive landslide at the north end. There is no outflow to this lake — it flows underground through the loose landslide debris and, about 30 days later, comes out of the ground as springs close to the Strawberry campground. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660372038932-CRFHTUF4QQYZLLA0836O/3E54C23B-0F94-4182-9633-36316D2400BD+%28Small%29.jpeg Articles - GSOC Strawberry Mountain Field Trip This outcrop at the northwest corner of the lake is where the landslide came from. You can also see the beige layer of Dinner Creek Tuff sandwiched between layers of red scoria. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1660366239565-P2U47GWBOTAJ3D7A8VHW/IMG_2417+%28Small%29.JPEG Articles - GSOC Strawberry Mountain Field Trip Final group photo including most (but not all) participants. https://www.gsoc.org/news/2022/8/07/2022/willametteeastbank monthly 0.5 2022-08-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/46554ec9-bef3-4bb7-9815-ea1cf21ee1bf/eastbank+geology+map+labeled.png Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Map of the tour showing the stops in relation to the surrounding geologic setting. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/f97f2883-2782-46a0-84c5-125cae40671d/eastbank+trip+map+part+1+labeled.png Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out A closer view of the first half of the bike tour. This part of the route follows the Willamette East Bank bike path from north to south until the riders come to the Oaks Bottom underpass. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659905428057-YKE3RZ4X4YVTM29WLECL/IMG_9160.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip The GSOC bikers assemble on the Steel Bridge approach at Stop 1. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659908261242-3LKPBIBZQNPMJ3WRV9P6/IMG_9159+%28Medium%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip Looking down from the Steel Bridge approach, we can see an outcrop of the Troutdale formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659905428772-3ARG10AW6FEJAW90MI6K/IMG_9161.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip Ian shows the group examples of Cascade porphyry, Boring lava, Columbia River Basalt, and quartzite he has found on the bank. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659905429045-A5WZ3AO4ITH6HB4SO7GL/IMG_9162+%28Small%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip Ian’s sample of the Troutdale Formation matrix material. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/739aff84-87e6-46a6-8a93-8a4b23ab8ecd/IMG_9165.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Vera Katz and Paul Edison-Lahm watch over our bikes while Ian tells us about CRBG at Stop 2. The columns we discussed are in the center of the photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/87bb9d63-1207-45bb-b3e7-b7a612bbde78/IMG_8931+%28Small%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Vera and I in 2019 on the second running of the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/5d7f4ec1-e56a-4533-97cb-a782152800e2/IMG_9169.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Missoula rhythmites as viewed from the Willamette East Bank bike path and across the railroad tracks. This cut bank is getting somewhat grown over, but there is also another cut bank down the path a little ways. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4d4cce5c-84fe-454f-a643-190c9a73ce2e/IMG_8941+%28Small%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out The same bluff in 2019. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a24a030f-3628-4942-a22c-a1f62010e653/STOP+3+PAUL+%28Small%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Ian discusses the Missoula Floods at Stop 3. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659907132782-85M9S4HUFAHLZSJL5FWA/IMG_9170.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip GSOC bikers lock their bikes to the racks provided at the base of the terrace before walking south on the footpath to Stop 4. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659907132880-CDY7RS1UEA1A5JWMBNQ2/IMG_9171.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip Ian discusses the landslide at the base of the terrace. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659907133508-SEX2GRAWLIT5W0M40U0C/IMG_9176.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip Ian hunts an example of exotic cobble brought in by the Missoula Floods. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1659907133900-RK2L4WP0EXOG6OS7GGHJ/IMG_9177.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip Granite is not exposed in this part of Oregon. Where did it originate? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1da8870e-2fec-41d9-8746-74de97665c2b/eastbank+faults+map+labeled.png Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Portland map showing bike geotour stops and the faults mapped in the area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/25c25431-0dcb-4c12-81e5-42498161decd/eastbank+trip+map+part+2+labeled.png Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out The south half of the bike tour. Major north-south streets used by the group are marked. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/738bca54-d797-4f6d-a91e-b8ad2a8ab87c/IMG_9178.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Looking ESE from the viewpoint one can see the Reed College terrace edge (greensward above and to the left of the Mobil sign) and Mt. Hood beyond. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4c0f416d-50d4-493e-b954-e3c01b876b91/IMG_9179.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Ian points to Rocky Butte and Mt. Tabor, two close-by examples of Boring Lava seen from the viewpoint. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/49d63f4e-18a7-4ed0-b6c1-274d153d3633/IMG_9183.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Ian discusses the temperature differences between the creeks at Stop 6. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0dd0fa75-48c2-43f7-94d5-1ec3fbbe0e79/IMG_8953+%28Small%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Crystal Springs in the park, taken in 2019. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/76145d21-5bcd-46b3-9d37-374ff3512eb3/IMG_9184.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out The mini-bluff behind Bruce is formed by Waverley Basalt. This is taken from the bike path along 17th Avenue south of McBrod Avenue. We stopped here for the shade this year. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/6624d7f6-b622-4110-ab3a-cb6e4bb9c7a5/IMG_8955+%28Small%29.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Paul is describing the Waverley Basalt from the mapped stop in 2019. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/914c5d5d-8114-4790-9aae-9edd12947089/STOP+7+PAUL.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out The Waverley Basalt contains zeolites formed by hydrothermal fluids circulating through the original rock. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/84302cf3-b2d8-447e-b2a8-03d4cc64e9de/IMG_9190.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out The GSOC bikers assemble at Klein Pt. Johnson Creek is flowing towards the viewer. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/acf5afe1-83a9-4335-b702-004814951280/IMG_9193.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out Johnson Creek flows into the Willamette here at Klein Pt. The West Bank beyond is a large outcrop of Waverley Basalt with a smattering of CRBG atop it. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/01819293-4978-4831-b8a7-31ecd08222e1/IMG_9195.jpg Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out If you DIY’ers do this trip on a summer Sunday, you’ll get to eat lunch at the Milwaukie Farmer’s Market. Otherwise, you’ll have to choose from amongst the food trucks near the Milwaukie Main MAX station. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/fd87d1f1-e077-4276-a7a3-b60055d7a1d7/GSOC+Bike+trip+lat+long+table.png Articles - Willamette East Bank Bike Geotour Recap and DIY Field Trip - Make it stand out For you DIY’ers, here are the latitude and longitude coordinates of the stops and other points of interest. These can be imported into a google map if you would like to get directions. https://www.gsoc.org/news/2022/6/25/2022/willamettevalleytrip monthly 0.5 2022-08-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/cec4c017-42ce-41bd-b92e-35909fabbdda/Will+Valley+geology+LABELS.png Articles - Fluvial Processes in the Willamette Valley - Make it stand out Willamette Valley Transect Trip stops overlaying a geology map of the Willamette Valley. Base from online DOGAMI interactive geology map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/89dcc6d8-fa96-4ff0-8811-87e6be0dc154/IMG_9015.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/27287e5b-47bb-4339-bd5e-46fcf36fd2f1/IMG_9021.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out The argillite erratic rock near Bellevue. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/76780e06-4935-413c-9256-8641c281cc9d/IMG_9026.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Looking east from argillite erratic into Yamhill River Valley. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/25eaeed0-5daf-4b60-9019-2e7c8f391917/IMG_9036.JPG Articles - Fluvial Processes in the Willamette Valley - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2adee379-311b-4c27-9e1c-5d38f2126e46/IMG_9049.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Sheila Alfsen and the “biodegradable thalweg detector”. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4630d076-c8f1-4bcc-b501-7fc3b04f0679/IMG_9060.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Terrace edge of the Yamhill River floodplain. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/aa0f08c5-24ac-4a56-afb2-47ea5a049922/IMG_9075.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Fossil in the 310’ depth sample at Amity Hills quarry. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b93900a9-b5eb-4032-9f56-75b6e4108916/IMG_9063.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/580d0929-b30c-4808-ad5f-6429f9fb4efc/IMG_9090.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out GSOC group alongside the Willamette River at the Wheatland Ferry dock. The sign on the first pylon denotes the height of the 1996 flood. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0dbd9a85-4f1c-447c-84fa-84982ac78e00/IMG_9101.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out Terraces that flank Lake Labish. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c399b85a-7141-42c2-807e-cd9a75598777/Will+Valley+shaded+relief+1.png Articles - Fluvial Processes in the Willamette Valley - Make it stand out Base is shaded relief map by R. W. Givler and R. E. Wells, 2001. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/62adeffc-0c15-4421-a75f-71d685aa50f9/IMG_9104.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out View of Mt. Angel. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a3cd86ad-59d0-4fd6-9058-a01454e29c27/IMG_9135.jpg Articles - Fluvial Processes in the Willamette Valley - Make it stand out The Molalla Rosette. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/81fbd0ee-7d19-4869-9d65-ef24657062d1/profile+copy.png Articles - Fluvial Processes in the Willamette Valley - Make it stand out Colorized version of profile cartoon by author. Superposition of younger over older layers drives the order of units in this profile. Coloring scheme roughly corresponds to geology map. https://www.gsoc.org/news/2022/6/1/2022-psu-beverly-vogt-grant-awardees monthly 0.5 2022-12-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b7cb72fc-2884-4b8d-b1b2-dfef5218b207/Daniel+Sheikh.png Articles - 2022 PSU Beverly Vogt Grant Awardees - Make it stand out Daniel Sheikh, PhD candidate https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c376d678-27b1-4997-90f6-5ba96a8110f8/Darlene+Gilroy.png Articles - 2022 PSU Beverly Vogt Grant Awardees - Make it stand out Darlene Gilroy, Master’s candidate https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/48557037-6706-478f-be31-6635b73ebac9/Julian+Cohen.png Articles - 2022 PSU Beverly Vogt Grant Awardees - Make it stand out Julian Cohen, Master’s candidate https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/10f0ecd5-45c3-4e05-b089-4b41f4b54fe1/Rachel.png Articles - 2022 PSU Beverly Vogt Grant Awardees - Make it stand out Rachel Sweeten, Master’s candidate https://www.gsoc.org/news/2022/5/27/malheur-field-trip-sept-2022 monthly 0.5 2022-05-28 https://www.gsoc.org/news/2022/4/26/gsoc-old-timers-get-together monthly 0.5 2022-04-27 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a314c735-900b-405e-be0b-cdb564549b07/PXL_20220424_215726844.jpg Articles - GSOC Old Timers' Get Together - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a6d3c9fd-cb08-4ed2-937c-4dcd339c5056/Old+time+lineup.jpg Articles - GSOC Old Timers' Get Together - Make it stand out Ten past presidents attended the Old Timers’ Get Together on April 24, 2022. From left to right, Rosemary Kenney, Clay Kelleher, Sheila Alfsen, Carol Hasenberg, Larry Purchase, Bonnie Prange, Janet Rasmussen, Bart Bartels, Rik Smoody, and Paul Edison-Lahm. The bust Rik is holding is of Edwin Hodge, the society’s founder. https://www.gsoc.org/news/2022/3/10/gsoc-beverly-vogt-psu-graduate-student-fund monthly 0.5 2022-12-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/8f76e61f-ce40-4326-95f5-564877e7f91e/Bev-%26-Bart-bw.jpg Articles - GSOC Beverly Vogt PSU Graduate Student Fund - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.gsoc.org/news/2021/9/9/bevvogt monthly 0.5 2024-06-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227457815-XWV4XMFNZB6SCHBUC6JC/Dave1.jpg Articles - Goodbye to a dear friend, Bev Vogt Photo by Dave Olcott https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227457923-NGQD65LUM0Y4SPJ1AY4E/Dave2.jpg Articles - Goodbye to a dear friend, Bev Vogt Photo by Dave Olcott https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631244971236-CSEBH66N67ZWD1WWNC2J/Dave3.jpg Articles - Goodbye to a dear friend, Bev Vogt Bev and I examining rocks. Photo by Dave Olcott. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631245002418-5MR4XFI17M0EHTMS3766/Dave4.jpg Articles - Goodbye to a dear friend, Bev Vogt Bev and Bart. Photo by Dave Olcott. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631248495094-VPTVNPFSIG7RHTOM6JCA/DSCN3186.JPG Articles - Goodbye to a dear friend, Bev Vogt The more whimsical group photo at the end of the Two Calderas trip, 2013 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227460629-KFCM783HFG9IYF7WPAAT/IMG_1212.JPG Articles - Goodbye to a dear friend, Bev Vogt Dawn and Bev take a break during the Cascades Sediment trip, 2014. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631245086676-FBNZKK22TEQXL768FKTG/IMG_1386.JPG Articles - Goodbye to a dear friend, Bev Vogt Group shot from Cascades Sediments trip, 2014. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227462147-ADVQZ1IVPFNA24TZMMO4/Janet1.jpg Articles - Goodbye to a dear friend, Bev Vogt August 2008: GSOC picnic at Beacon Rock, photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227462611-7C3CRPG6VX2X7WC2I1C6/Janet2.jpg Articles - Goodbye to a dear friend, Bev Vogt August, 2006: Ape Cave tour with Ken Cameron, photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227463140-G9SQF7ATMF7G97Y2TOFZ/Janet3.jpg Articles - Goodbye to a dear friend, Bev Vogt September 2009 Lava Lands tour, Northern California. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227463735-OWMW9O90C0X6F4GMQ4DQ/Janet4.jpg Articles - Goodbye to a dear friend, Bev Vogt September 2006 Southern Oregon. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227464043-J4L4BCMW9LA9RFGUCUVY/Janet5.jpg Articles - Goodbye to a dear friend, Bev Vogt 2009 Silver Creek Falls. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227464280-F8V2426OWWCI4PVMW4SE/Janet6.jpg Articles - Goodbye to a dear friend, Bev Vogt September 2010 Phillippi Canyon. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227465685-1ZW9GS0M1GUXNBQR3U13/Janet7.jpg Articles - Goodbye to a dear friend, Bev Vogt July 2010 Oldest Rock in Oregon. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227465480-CMPLVFMGRYYRSIXLFC4W/Janet7+-+inset.jpg Articles - Goodbye to a dear friend, Bev Vogt Detail from July 2010 Oldest Rock in Oregon. Photo by Janet Rasmussen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227466252-Z83LJLGXL92UB8CYO3P1/P1010445.JPG Articles - Goodbye to a dear friend, Bev Vogt Oregon Outback field trip, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227466544-CGIV480OGGUGVRZKH1ST/P1010447.JPG Articles - Goodbye to a dear friend, Bev Vogt Oregon Outback field trip, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227467014-EZ6B3R5NWE9FMGMKKR00/P9060140.JPG Articles - Goodbye to a dear friend, Bev Vogt Bev and I pan for gold in Sumpter Valley, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227467315-SE89ACFJ7WZ9OTH3F7Z0/P9060153.JPG Articles - Goodbye to a dear friend, Bev Vogt Bev and Bart on the train in Sumpter Valley, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227467690-BEER5AHLTS1U003ILZMU/P9060172.JPG Articles - Goodbye to a dear friend, Bev Vogt Quite a fish story, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227468062-UW3BO3ZQ8EKGK3A23MIW/P9060174.JPG Articles - Goodbye to a dear friend, Bev Vogt Relaxing during the Sumpter Valley trip, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227468409-OCLJAU3CDTX7VE02YB8C/P9070014.JPG Articles - Goodbye to a dear friend, Bev Vogt Hitting the outcrop during the Klamath River trip, 2007. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227468746-1WB67DV3AOBMMBQMYPEX/P9070061.JPG Articles - Goodbye to a dear friend, Bev Vogt Relaxing after day 1, Klamath River trip, 2007. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227469149-7QVYZ3RBAXNJEZRCCG23/P9080365.JPG Articles - Goodbye to a dear friend, Bev Vogt Group photo north of Sumpter Valley, 2008. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631246777064-3QCWPSX4NR3IVYX8B810/IMG_0462.JPG Articles - Goodbye to a dear friend, Bev Vogt Past Presidents at GSOC annual banquet 2016. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631245102937-XJX4YBRW7DE2453Q2UKC/IMG_1775.JPG Articles - Goodbye to a dear friend, Bev Vogt Holiday party shot, 2016 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227469462-TV3MT5FSTYG1VW72P1C2/SOCO2010.JPG Articles - Goodbye to a dear friend, Bev Vogt Bev with Ron Metzger and associate during 2003 Oregon coast reconnaissance at Fossil Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227470234-DYWU0L20MRO36PXKNYNL/SOCO2028.JPG Articles - Goodbye to a dear friend, Bev Vogt Bev taking notes at Tunnel Point cave entrance, 2003. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631227470450-TPB9VNAL8P4UINXOH61E/SOCO2056.JPG Articles - Goodbye to a dear friend, Bev Vogt Bev examines the Elkton Formation, 2003. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631246761976-X7B9LYKTMD1GZIEXO9SL/P1010018.JPG Articles - Goodbye to a dear friend, Bev Vogt Bev and Bart at the GSOC picnic at Beacon Rock, 2003. https://www.gsoc.org/news/2021/8/28/coaledo monthly 0.5 2021-09-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208569624-VX5DHJLEAWZ72854Y823/Map+of+All+Days+copy.png Articles - Recap of the Coaledo Formation Field Trip - Make it stand out Map of all the stops on the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208755951-MC42QGQTK50ZG3HMJDXE/IMG_4005.JPG Articles - Recap of the Coaledo Formation Field Trip The Umpqua River in Elkton during April 2021. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208758241-1ZB19OWUWNFOQVTWBVSZ/IMG_5604.jpg Articles - Recap of the Coaledo Formation Field Trip The Umpqua River in Elkton in August 2021. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208823894-Y3HTBPB6UA8J3IL09F5D/PXL_20210812_185610961.MP.jpg Articles - Recap of the Coaledo Formation Field Trip The Coaledo Field Trip commences at the Alfred Tyson Park in Elkton. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208788915-1IU3DM5SLY9U5EVECQ1E/_MG_2702.JPG Articles - Recap of the Coaledo Formation Field Trip The group is delighted to examine the river bedrock of Tyee sandstone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208758612-3NVKNARICDXPFBRH5H3H/IMG_5608.jpg Articles - Recap of the Coaledo Formation Field Trip The “captive” pebbles wear circular holes in the bedrock. Many of the pebbles were basalt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208755945-MJ9ZNMA582KAW1C8HRUQ/IMG_4753.jpg Articles - Recap of the Coaledo Formation Field Trip Sheila examines the Elkton Formation during the June 2021 reconnaissance. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208757287-R124MTOO69QD9U52IVO4/IMG_4764.jpg Articles - Recap of the Coaledo Formation Field Trip A passed roadcut of Tyee formation on our way to “the notch” area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208759405-1FZSIOJVVMKX4ZRVYY7B/IMG_5618.jpg Articles - Recap of the Coaledo Formation Field Trip Clark envisions the landslide coming from “the notch”. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208757427-MDGYDME0RE3SVVPQ1EXU/IMG_4766.jpg Articles - Recap of the Coaledo Formation Field Trip “The notch” as it appeared during the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208937007-AWSBKKL88MTEI6G2OA7T/P1010191.jpg Articles - Recap of the Coaledo Formation Field Trip “The notch” in 2007. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208951164-MJOEIF0UKQ37F5KH4EFG/P1010187.jpg Articles - Recap of the Coaledo Formation Field Trip A couple of workmen give a nice scale for the size of the rockfall. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630208823384-HPTZBZSBZLXOE1JQN0Y2/PXL_20210812_231413982.CINEMATIC_exported_24581.jpg Articles - Recap of the Coaledo Formation Field Trip The group climbs up the back of the big dune at Dellenback Trail. https://www.gsoc.org/news/2021/6/28/2021 monthly 0.5 2021-08-29 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627796128859-60MEFX9RO4NNNU1LEJTV/EOVYP+mima+mounds_Bill.jpg Articles - Eastern Oregon Volcanics Trip Remembered - Make it stand out Mima-Mounds along US-197 just southeast of Maupin. – photo by Bill Burgel https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627924558139-Z546JZZ1G735P98O1H4T/Double+Eagle_schiller-faceted2.JPG Articles - Eastern Oregon Volcanics Trip Remembered - Make it stand out Sunstones uncovered in the PGB turn into exciting gemstones when faceted or carved – photo by Emily Cahoon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627924490903-QQ3PFGZ1AVS6XOLUKUQR/IMG_5012.jpg Articles - Eastern Oregon Volcanics Trip Remembered - Make it stand out Unconformity between the Tuff of Dale and the overlying PGB – photo by Emily Cahoon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876436597-BO0ZHYDSPS39I7XRALTC/IMG_4843.jpg Articles - Eastern Oregon Volcanics Trip Remembered Meetup at the Crooked River Gorge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876436809-8R8IU3PTWBJCZ71KQPDF/IMG_4855.jpg Articles - Eastern Oregon Volcanics Trip Remembered Carrie points to outflow tuffs from the Crooked River Caldera at Haystack Reservoir https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876437402-NTOWR1XNJ3Q6ZPYOVP1H/IMG_4860.jpg Articles - Eastern Oregon Volcanics Trip Remembered Skull Hollow Campground stop with Gray Butte in the background https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876438225-TDNO9WEKU4Z8ALCTS5JH/IMG_4871%28Edited%29.jpg Articles - Eastern Oregon Volcanics Trip Remembered Tuff of Smith Rock above Prineville Reservoir https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876438405-IXZ1B784VD4GLY6FQJOX/IMG_4874.jpg Articles - Eastern Oregon Volcanics Trip Remembered Meetup in Prineville prior to day 2 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876439295-56PTXH1EZEPDC86FP3UK/IMG_4876.jpg Articles - Eastern Oregon Volcanics Trip Remembered Tuff of Smith Rock outcrop on road leaving Prineville https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876439926-8NR643XTMMFQYF2VIMPX/IMG_4901.jpg Articles - Eastern Oregon Volcanics Trip Remembered Rattlesnake Tuff exposures near Delintment Lake https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876441233-XGFSWD2BLQHW7XXZVVNB/IMG_4913.jpg Articles - Eastern Oregon Volcanics Trip Remembered Welcome to the Ponderosa Sunstone Mine! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876434840-IXIXCWV4G5930QIFUSCI/IMG_4742.jpg Articles - Eastern Oregon Volcanics Trip Remembered Entering the production pit of the mine in an outcrop of altered and weathered PGB basalt https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876444074-21OLKQ1PQBAMS9SMZYU1/IMG_4942.jpg Articles - Eastern Oregon Volcanics Trip Remembered Mine co-owner Bruce Moore discusses the extraction and sorting processes https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876444385-G0ML8UYYLGJWSYK6ZEVI/IMG_4943.jpg Articles - Eastern Oregon Volcanics Trip Remembered At 6000 foot elevation we’re enjoying the 87 degree heat https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627877980316-KOJ3P91UWYE8Q66CQ65Y/IMG_4949.jpg Articles - Eastern Oregon Volcanics Trip Remembered Sorting the gem quality stones from the tailings https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876435037-46DKFXX17N0XVH0W9292/IMG_4757.jpg Articles - Eastern Oregon Volcanics Trip Remembered The composition of the tailings pile https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627879140878-SSIACRA7P74UCOBLE6CU/IMG_4758.jpg Articles - Eastern Oregon Volcanics Trip Remembered Carol collects plagioclase crystals from the tailings pile for the banquet name tags https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876433868-3JWCE1WWFX8FEB02Z4U1/IMG_4736.jpg Articles - Eastern Oregon Volcanics Trip Remembered A tray of gem quality stones https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876441390-3LJK89LGF3389PAVBQT2/IMG_4914.jpg Articles - Eastern Oregon Volcanics Trip Remembered GSOC participants looking through the gem quality stones https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876442282-4TBS2M13SAUUY6LGIW3N/IMG_4925.jpg Articles - Eastern Oregon Volcanics Trip Remembered One of the largest raw sunstones https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876442725-TG3YD0Z2BVFMDNMUW8QO/IMG_4929.jpg Articles - Eastern Oregon Volcanics Trip Remembered The rich red color of this stone is very visible in the bright sunlight https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876470426-IS24RWVJAB2QNQGISMDA/Sunstone_red.JPG Articles - Eastern Oregon Volcanics Trip Remembered Another red stone showing that the color of the natural sunstone gems is concentrated in the center https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876433752-733GQAHKCC0G7M4VLCNM/Double+Eagle_schiller-faceted2.JPG Articles - Eastern Oregon Volcanics Trip Remembered A lovely sunstone with exquisite schiller is being faceted https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627879140944-D6LU14CEU39965JS0BTE/IMG_4763.jpg Articles - Eastern Oregon Volcanics Trip Remembered Car trouble on way out of the Ochoco National Forest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627879141330-25LAW3SSDQSXN71GSR1U/IMG_4768.jpg Articles - Eastern Oregon Volcanics Trip Remembered A scene heading down Hwy 63 towards John Day https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876435654-8KRMAMTU2IR00VSYNI8H/IMG_4775.jpg Articles - Eastern Oregon Volcanics Trip Remembered Do I detect some turbidites in these Baker terrane strata? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876447613-28MPFU65HUTVLF79YCFS/IMG_4968.jpg Articles - Eastern Oregon Volcanics Trip Remembered One of the Picture Gorge Basalt dikes cut through terrane rocks along Highway 63 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876450251-ZCJL2UW6K05U2OAX6NTM/IMG_4973.jpg Articles - Eastern Oregon Volcanics Trip Remembered Chert outcrop to the left of the dike https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627878089415-6C3IOGXDDR1RRKBSDUR4/IMG_4971.jpg Articles - Eastern Oregon Volcanics Trip Remembered Emily ponders a smooth area adjacent to the dike https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876450264-K7N1JODWM2VUFRXD3ZC2/IMG_4976.jpg Articles - Eastern Oregon Volcanics Trip Remembered Another outcrop along US 395 south of John Day has the look of gneiss https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876451662-PNP28JALCXUT5PX936AH/IMG_4978.jpg Articles - Eastern Oregon Volcanics Trip Remembered Pit crew to the rescue on a flat tire heading north to stop 1 on day 3 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627878027697-B0PVEKTNK1MVB0D7FZUU/IMG_4983.jpg Articles - Eastern Oregon Volcanics Trip Remembered Denny gets to try out his portable tire compressor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876452978-BLXQG7D059CGF6BRJ0XB/IMG_4987.jpg Articles - Eastern Oregon Volcanics Trip Remembered Job well done pit crew! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876470160-EMMVPOJWO521JGB6LDZN/PGB_Tuff+Dale+contact.jpg Articles - Eastern Oregon Volcanics Trip Remembered Stop one is a spectacular contact zone between the underlying Tuff of Dale and the unconformably overlying Picture Gorge Basalt https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876440084-KPF0EV8N1QSPBZRLFX2R/IMG_4901_bill.jpg Articles - Eastern Oregon Volcanics Trip Remembered Emily points out fiamme in chunks of the Tuff of Dale https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627878223515-ST0C0R84U4LJAKSCB8C0/IMG_5537.jpg Articles - Eastern Oregon Volcanics Trip Remembered Chunks of Tuff of Dale, above, contain fiamme, or flattened blobs of glass. Contrast with the Tuff of Smith Rock below. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876433123-80SQ5T1KQ98AK70HK0SL/20210628_110605.jpg Articles - Eastern Oregon Volcanics Trip Remembered https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876468945-4X8JYHN0MJJBIRXOABHB/IMG_5277.jpg Articles - Eastern Oregon Volcanics Trip Remembered https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876455241-2R9RWOPVD97D9GCDY1KZ/IMG_5021.jpg Articles - Eastern Oregon Volcanics Trip Remembered On the way to stop 2, we encounter an outcrop of horizontally stacked basalt https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876456751-JESG1H37DO8B61JSTPYC/IMG_5027.jpg Articles - Eastern Oregon Volcanics Trip Remembered Stop 2 is an outcrop of tonalite from a stitching pluton in the Baker terrane area https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876443211-0QXGC4JUDOPHSV5S0SPC/IMG_4941.jpg Articles - Eastern Oregon Volcanics Trip Remembered Kevin shows off his chunk of tonalite https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876445149-5WZJ052YJXIPLFBX119Q/IMG_4950.jpg Articles - Eastern Oregon Volcanics Trip Remembered Fantastic scenery of PGB on the way to Monument https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876457146-J99UK1VGQLD8BNXOGTIJ/IMG_5030.jpg Articles - Eastern Oregon Volcanics Trip Remembered An explanation for the many landslides in this area https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876445955-FPZBJ988GCV8EEGTIWMF/IMG_4963.jpg Articles - Eastern Oregon Volcanics Trip Remembered A landslide on a John Day formation slip surface https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876457896-KWBTESL4VTR7UDM71JKO/IMG_5085.jpg Articles - Eastern Oregon Volcanics Trip Remembered This picture shows a weathered PGB collonade https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876451172-8HMBU8SYEOEZRMBVNJ5N/IMG_4979.jpg Articles - Eastern Oregon Volcanics Trip Remembered https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876453136-PI0DZZ1S8RKDR2HLCL2N/IMG_4996.jpg Articles - Eastern Oregon Volcanics Trip Remembered Monument dikes can be seen down the spines of the hills https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876457671-F02SAIOCK1VEEOMSV2V7/IMG_5057.jpg Articles - Eastern Oregon Volcanics Trip Remembered Mascall formation strata in the blazing sun near Dayville https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876469805-9SM5DZ4W7KFJPNY10BG2/InALandscape_GSOC_June2021.jpg Articles - Eastern Oregon Volcanics Trip Remembered A cool interlude of music at the foot of Sheep Rock https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876459241-AVK6M63C5H631PRQ4TEO/IMG_5096%28Edited%29.jpg Articles - Eastern Oregon Volcanics Trip Remembered Meanwhile, swallows cavort in the evening sun in Picture Gorge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876459111-9138AGWJD5LK28M1HZQ2/IMG_5089%28Edited%29.jpg Articles - Eastern Oregon Volcanics Trip Remembered An artsy shot of the basalt in Picture Gorge - how many faces can you see in the rock forms? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876461612-I4536AD253FOSKI0OQ2D/IMG_5118%28Edited%29.jpg Articles - Eastern Oregon Volcanics Trip Remembered Another artsy shot. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876463379-52B3H09S64APD0EBC44J/IMG_5119.jpg Articles - Eastern Oregon Volcanics Trip Remembered Sheep Rock in the golden hour https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876463523-CMXHAEKEMDFAZ4B6VNZT/IMG_5126.jpg Articles - Eastern Oregon Volcanics Trip Remembered Goose Rock, a Cretaceous conglomerate, in the evening light https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876464992-4LY4JH6GN2XCVFKQ7VL9/IMG_5137.jpg Articles - Eastern Oregon Volcanics Trip Remembered Climbing the hill into the Blue Basin at sunset https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876465689-J39AQ9WYCWDXAKZYACOP/IMG_5157_color+enhanced.jpg Articles - Eastern Oregon Volcanics Trip Remembered Color enhanced photo of the Blue Basin in the fading light https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876467797-XQ07TYTG5JZU9ZRGSYZL/IMG_5193.jpg Articles - Eastern Oregon Volcanics Trip Remembered Survivors of the trip on the last morning https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1627876433110-J3P0LT62CAX5U7UY91ND/20210628_122658.jpg Articles - Eastern Oregon Volcanics Trip Remembered Variably tilted strata of basalt on return trip to Prineville https://www.gsoc.org/news/2021/6/27/raft-trip monthly 0.5 2021-08-01 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838839877-9HXEXG43A379XEVKHMNB/IMG_20210601_115815994.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838839748-TW4PG5QLNVNDJQ694N5L/IMG_20210601_141613704.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838840255-NMF0T42RY3TPJKCR1B2O/IMG_20210602_102052997.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838840541-H7Q3ZG34H1QTBX1VSXYO/IMG_20210602_103309855_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838841281-053PLZ5C99FQP7446Z0E/IMG_20210602_110556092.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838841765-Q25I62DITOTQOKAKG6OJ/IMG_20210602_111838139_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838842453-NQCZVFD6HP5N2VLRM7YF/IMG_20210602_112059199.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838843104-DW8I9U5L2WM2Q00CCVTS/IMG_20210602_120610176.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838843220-1WW5CMUN7CFC6AAR0NKO/IMG_20210602_120858987.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838843851-6MGMRRTDY3S0KEANBU98/IMG_20210602_121623872_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838844563-4ZDXNJLZ2XOFWM0HPJ2B/IMG_20210602_122029725_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838844601-NMOOBZ0GV0KZWCD7YJLP/IMG_20210602_131628578_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838845197-06U1XZNRGTBUY35UUR7Q/IMG_20210602_143320615_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838845299-EH3WWXEAZHWNV1FJ6XPG/IMG_20210602_154333815_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838845838-QWTUNZYXSS0NUS30LZWZ/IMG_20210602_155043831_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838845908-6LIB04QB5JGQBTZGSRF6/IMG_20210602_161041689_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838846536-MHVNRGBDGSBIP0VDN92M/IMG_20210603_095134200_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838846603-CPS0XLOG2B6597W2QPW6/IMG_20210603_095649565_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838847224-9T8UJKTCMJDFKWOWYEV4/IMG_20210603_100709467_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624882401364-BHQNB5NHIPGXA1TAP9V9/Petroglyph+1.JPG Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838847292-CUPA0TQMHLZUYG7QCOCZ/IMG_20210603_120903031_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838848036-QJBZ1ESF2E142QMUVYSK/IMG_20210603_191025755_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838848007-O33S6D9EC508N0VH46AA/IMG_20210603_194747483_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838848550-0A2T06JD4TGDTZKU7EK6/IMG_20210603_203757850_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624838848771-7HCW8FSM1W5JQZ99KX9J/IMG_20210604_130032434_HDR.jpg Articles - John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624881732061-H78ZSL17CUGCPTNEIOHL/20210525+%281041%29.jpg Articles - John Day Raft Trips - Make it stand out Starting out on the Paddle Boat https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624835778536-LIZJVJRXKML9G0CNS3DQ/IMG_20210604_072538693.jpg Articles - John Day Raft Trips - Make it stand out Cathedral “Rock” “Spire” [???] (Name is not clear.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625006122838-O8DYVB8C3MATGA3O8DA4/IMG_20210603_100709467_HDR.jpg Articles - John Day Raft Trips - Make it stand out Note the large flood deposit in the upper center of the picture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625006418192-TBQAFMZBNXY0IUO23LGK/IMG_20210602_110556092.jpg Articles - John Day Raft Trips - Make it stand out Painted Hills (not the National Monument) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625006824605-VHZFTS9FIW1N7EIN3GQX/IMG_20210602_120919384_HDR.jpg Articles - John Day Raft Trips - Make it stand out Gordon Grant with ashfall tuff https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625006903709-IE8NMI7R463KTPT7AY1J/IMG_20210602_103309855_HDR.jpg Articles - John Day Raft Trips - Make it stand out Rapids (class 1) with small hydraulic jumps, or holes as described by rafters. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625007101810-OY6HCANVKOJY3ZPTNYTQ/IMG_20210603_095134200_HDR.jpg Articles - John Day Raft Trips - Make it stand out Our campsite at the base of the Clarno, possibly on land created in the 1861/2 flood event. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625007174709-5W5QW2O6YS4PBMH34M9V/2.JPG Articles - John Day Raft Trips - Make it stand out Pictograph near the river. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1625007232663-1MPUVXIKVLEAUCDLSTKW/IMG_20210603_205023239.jpg Articles - John Day Raft Trips - Make it stand out Rocks and cheesecake for dessert! https://www.gsoc.org/news/2021/4/2/privacy-policy monthly 0.5 2021-04-02 https://www.gsoc.org/news/2021/2/17/meteorites-on-the-road monthly 0.5 2021-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1613666888323-NMMQI13MR3LLM04P8XI2/Dick+Pugh.png Articles - Meteorites on the Road https://www.gsoc.org/news/2020/12/31/protect-oregon-geology-save-dogami-from-the-budget-axe monthly 0.5 2021-02-12 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1609411230934-2B5THL97ICQLZ8IPMJNI/DOGAMI-letter-photo.png Articles - Protect Oregon Geology: Petition for DOGAMI to Be Fully Funded. https://www.gsoc.org/news/2021/1/31/60-years-of-gsoc-field-trip-guides-now-available-online monthly 0.5 2021-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1612120760490-XBQWGJAWBS2UDQBXAD1R/image-asset.png Articles - 60 Years of GSOC Field Trip Guides Now Available Online 1970 FIeld Trip Guide https://www.gsoc.org/news/2020/12/07/zircon monthly 0.5 2021-01-01 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1607363452656-I0JTP76N4JUFP8MQN2M5/512+zircon+crystal+image.tif.jpg Articles - A Brief Introduction to Zircon Geochronology Zircon crystal SEM-CL image showing growth patterns similar to tree rings. Image by ManuRoquette, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1607363083533-BCRJRZ4YE04P7B4SZJ99/U_Pb+decay+curves+1.png Articles - A Brief Introduction to Zircon Geochronology Figure 1. The decay of uranium isotopes into lead isotopes follow exponential curves. The functions can be written in the form A(t)=0.5^kt where k is the reciprocal of the half-life and A is the remaining fraction, shown on the vertical scale. So, the amount of uranium converted to lead in the sample depends on the half-life of a particular isotope’s decay process over the course of the sample’s existence. The half-life of U235 is 704 Ma and that of U238 is 4468 Ma. Modified from Shoene 2014. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1607364081431-J7XV0PH8UXBVG323JCD5/1280px-Pfunze_belt_concordia.png Articles - A Brief Introduction to Zircon Geochronology - Figure 1. Oxygen isotope variations in magmas and rocks on Earth. Figure 3. “A concordia diagram as used in uranium–lead dating, with data from the Pfunze Belt, Zimbabwe. All the samples show loss of lead isotopes, but the intercept of the errorchron (straight line through the sample points) and the concordia (curve) shows the correct age of the rock.” Illustration by Babakathy - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=5027761 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1607364471905-1US43YCJFJ4PATDT5KOI/Detrital+zircon+study.png Articles - A Brief Introduction to Zircon Geochronology Figure 3. An example plot from a quantitative detrital zircon study. Each line represents ages of samples taken from a particular location. Source ages can be shown to be regional when all the samples contain material of the same age or local when only one or two of the samples exhibit material from a particular time period. Time periods for potential source materials are shown in the lower lines of the diagram. From Laskowski et al, 2013 https://www.gsoc.org/news/2020/12/05/stable-oxygen-rocks monthly 0.5 2021-01-01 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602909135903-1NLVBKJ23IT1PWTWHGLF/delta18O+eqn+harvard.png Articles - More on Stable Oxygen Isotopes https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1607234022832-8ZGBOIDNXCO3S0W2N89Z/Fig1+rock+oxygen+isotope+ratios+1.png Articles - More on Stable Oxygen Isotopes - Figure 1. Oxygen isotope variations in magmas and rocks on Earth. “Gray band between 5.5 and 5.9 represents “normal- δ18O magmas” for ultramafic and basaltic rocks that constitute predominant mantle and products of is melting; closed system differentiation of such magma into andesite and rhyolite that show normal δ18O values of 5.8 to 6.5 ‰ ... High- δ18O rocks and magmas result from low-temperature precipitation or interaction with sea water... Low- δ18O rocks and magmas result from high-temperature interaction with, or subsequent remelting of, materials that interacted with meteoric waters at high-temperatures.... Data are from both original sources and compilations by Muehlenbachs (1998); Eiler (2001), Valley et al. (2005); Hoefs (2005); Sharp (2006). Selected areas emphasized in this review are shown as open boxes.” Ilya Bindeman, 2008. https://www.gsoc.org/news/2020/11/18/contribute-to-geoscience-scholarship-opportunities-for-women-undergraduates monthly 0.5 2020-11-19 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1605769900506-1G28I4WM6G34RINKVSAX/Screen+Shot+2020-11-18+at+11.11.29+PM.png Articles - Contribute to Geoscience Scholarship Opportunities for Women Undergraduates Pacific NW Chapter Tanaka Scholarship flyer. https://www.gsoc.org/news/2020/10/16/oxygen monthly 0.5 2020-12-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602909135903-1NLVBKJ23IT1PWTWHGLF/delta18O+eqn+harvard.png Articles - Oxygen Isotope Analysis in Paleoclimatology https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602910145187-OW4WBS47RATMCXTQWXTF/Oxygen+base+normal.png Articles - Oxygen Isotope Analysis in Paleoclimatology - Figure 1. Oxygen isotope balance during a low glacial “normal” period. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602910145084-70912XK6YE2E67OP6RFR/Oxygen+base+glacial.png Articles - Oxygen Isotope Analysis in Paleoclimatology - Figure 2. Oxygen isotope balance during a high glacial period. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602910771908-PXXJ447N9HKHU13085XH/Five_Myr_Climate_Change.png Articles - Oxygen Isotope Analysis in Paleoclimatology https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602910914130-PPN9LU9O2GZ2IQBZHZG4/65_Myr_Climate_Change.png Articles - Oxygen Isotope Analysis in Paleoclimatology https://www.gsoc.org/news/2020/8/4/eastern-wa-trip-2020 monthly 0.5 2022-07-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596648684008-A886RGEGLV4PSFFHRQTO/overview+map+labels+-+Copy.png Articles - DIY Geology Trip to Eastern/Central Washington State https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596607335793-VF8VQKOLI2BNANODMVHD/covid+color+emboss.png Articles - DIY Geology Trip to Eastern/Central Washington State COVID-19 is an important consideration in planning a trip this summer. As John and I are older adults, we definitely wanted to minimize risks at restroom stops, food shopping, and gas stations. Our original plan was to car camp, bring most of our meal food with occasional stops at grocery stores, and avoid crowds. I also found and referenced the State of Washington COVID-19 Data Dashboard so I could monitor which counties were “hot” while we were on the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596609681592-KEZOO7MXW1TH6LBX6BJO/Bjornstad+book.JPG Articles - DIY Geology Trip to Eastern/Central Washington State https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596609682066-SICW61VURX9WU6EI2VSA/Miller+book.JPG Articles - DIY Geology Trip to Eastern/Central Washington State https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596610808917-AYJ2GBTV6BECKCPZB28X/Amara+Neff+book.JPG Articles - DIY Geology Trip to Eastern/Central Washington State https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596609681697-SZDSEP8BU6ZNG9GIAXID/Carson+Babcock+book.JPG Articles - DIY Geology Trip to Eastern/Central Washington State https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596610139512-SFLG03K8PU48GPFPIO3I/Alt+book.JPG Articles - DIY Geology Trip to Eastern/Central Washington State https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596611997196-SPO24WOIIHVKIWRBJYCL/discover+pass.png Articles - DIY Geology Trip to Eastern/Central Washington State https://www.gsoc.org/news/2020/6/19/death-valley-article monthly 0.5 2020-08-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1593061998962-M73V206EM2T4C8MBI1H5/DV_Andrew+Dunning.png Articles - The Major Geologic Events of Death Valley Andrew Dunning presented from “Death Valley”, or the next best thing (DV background on Zoom). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592621867641-UBK1JT0MX3Q2GKMGL1CJ/DV_Zabriski+Point+-+Copy.JPG Articles - The Major Geologic Events of Death Valley Zabriskie Point and badlands of light-colored Cenozoic playa sediments of the Furnace Creek Formation. Author photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1593063053302-SONQS08C8XT2WBR67NJ6/DV_Pahrump%2Bcloseup.jpg Articles - The Major Geologic Events of Death Valley Layers in the Pahrump group found in Johnson Canyon of the Panamint Mountains. Photo by Andrew Dunning. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592689691058-740APAZJBF8BR8CD8L4U/DV+Pahrump+and+Cambrian+stratigraphic+column.jpg Articles - The Major Geologic Events of Death Valley Generalized columnar section of Precambrian to Lower Cambrian strata, Death Valley region, from L. A. Wright,1 B. W. Troxel, E. G. Williams, M. T. Roberts, P. E. Diehl, “Precambrian Sedimentary Environments of the Death Valley Region, Eastern California”, published in California Special Report 106 (see references). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1593062493276-UN7VC0UH1280O0B7DDQ7/DV_Kingston+Pk+Fm.png Articles - The Major Geologic Events of Death Valley https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592620994068-7WSH3OHY8O9QQQNM5A1V/DV_Mosaic+Canyon+noonday+-+Copy.JPG Articles - The Major Geologic Events of Death Valley Noonday Dolomite polished in Mosaic Canyon contains clues about the end of global glaciation in the Vendian Period. Author photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1593062916278-WAANQ0NQ1Y1ZX4Q6PFIT/DV_Paleozoic+.png Articles - The Major Geologic Events of Death Valley Structures and fossils of the Paleozoic in Death Valley area. Photos by Andrew Dunning. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592621291331-7PCVQXMDE6DPA2PM53DQ/DV_Mosaic+Parking+Lot+-+Copy.JPG Articles - The Major Geologic Events of Death Valley Mosaic Canyon parking lot in 2003. A fault runs up the cleft in the hills, with the Stirling Quartzite and Johnnie formations on the left and the Noonday Dolomite on the right (info from Geology Underfoot). At the edge of the parking lot cemented terraces from debris flows out of the canyon lithify quickly from cementation of the carbonate content of the material. Author photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592622656805-53BBF6LL541HAALDQSS8/DV_folds.JPG Articles - The Major Geologic Events of Death Valley The older strata in Death Valley all show evidence of folding and thrust faulting that took place in the Mesozoic. Author photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1593062631088-9KAXCC6EBQYIOCRKJTCU/DV_Cenozoic.png Articles - The Major Geologic Events of Death Valley Various Cenozoic sediments in Death Valley area. Fossil footprints found in the Panamint Mountains and the Black Mountains are extraordinary. Photos by Andrew Dunning. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592621432360-BDQP23KEMIVXMVOUVVR0/DV_Ryan+mining+camp+-+Copy.png Articles - The Major Geologic Events of Death Valley The author’s photo of Ryan Mesa and mining camp east of Zabriskie Point taken in 2003. Marli Miller had a similar photo showing the Cenozoic sediments and this photo is labeled in a like manner. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592621759808-9V5C822S20ZYFXGFTP2D/DV_Bajada+-+Copy.JPG Articles - The Major Geologic Events of Death Valley Bajada on the west side of Death Valley. Author photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1592690191222-W8UNS33ETFE6N8FUEBPO/DV_Carol+on+Golf+Course+-+Copy.JPG Articles - The Major Geologic Events of Death Valley Author standing on the Devil’s Golf Course in 2003. These salt deposits from Lake Manly, which have buckled from growth of the salt crystals are unexpectedly craggy. Telescope peak and the Panamint Range rise 11,000’ in the background. Author photo. https://www.gsoc.org/news/2020/5/12/fakefossilsarticle monthly 0.5 2020-06-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1591330264109-XE5K88DPEDZTUQ7R35CW/trilobite%25252Bad.jpg Articles - Fakes, Fakes and more Fossil Fakes An example ad for an Andalusiana trilobite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1591243960129-ZLQCX8Z8VLLZ53KSSIXA/amber+ad2.png Articles - Fakes, Fakes and more Fossil Fakes An example of another ad skating on the edge of being truthful. Fossil insects are implied to the unwary. Home Decorations? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1591244244064-CQZ1UX93IDNE2101YYTT/amber+1a.jpg Articles - Fakes, Fakes and more Fossil Fakes The author acquired this piece of Baltic amber with three insect inclusions for about $30 at the Tucson Gem and Fossil show about 15 or 20 years ago. She’s always been a bit suspicious about this piece, because the insects look a bit too perfect and there are those cracks in the piece right by two of the insects. But then there are the legs on the large insect sticking down into the next layer… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1591244339780-SPRRSFGYUO303FOFFAJS/amber+2b.jpg Articles - Fakes, Fakes and more Fossil Fakes This is a piece of Dominican amber with a wasp inclusion. Buggy amber from the Dominican Republic tends to be very “dirty” and darker in color than Baltic amber. So the insects are harder to see. The wasp (in the lower left quadrant of the piece) has a more typical death pose than those in the Baltic piece. https://www.gsoc.org/news/2020/5/23/gsoc-goes-online-with-lectures-after-covid monthly 0.5 2020-06-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1590252717538-39S5D7E8TDVEID1ZM7AP/image-asset.png Articles - GSOC Goes Online with Lectures and Meetups after COVID https://www.gsoc.org/news/2020/april/new-members monthly 0.5 2021-01-27 https://www.gsoc.org/news/2020/3/13/washington-state-land-of-geologic-complexity monthly 0.5 2020-06-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1584123475850-OOW320DUTLORMHTRGBQ5/Miller+map.png Articles - Washington State: Land of Geologic Complexity Geologic map of the state of Washington with physiographic provinces labeled. Washington Department of Natural Resources. https://www.gsoc.org/news/2020/3/4/a-fracking-overview monthly 0.5 2022-08-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1583348433547-NXOZNIYP213TT49U9A7K/Laird+Thompson.png Articles - A Fracking Overview Dr. Laird Thompson https://www.gsoc.org/news/2020/1/7/invitation-to-awg-northern-california-san-andreas-fault-geology-field-trip monthly 0.5 2020-01-07 https://www.gsoc.org/news/2019/10/23/the-times-they-are-a-changing monthly 0.5 2019-11-19 https://www.gsoc.org/news/2019/8/7/qivy81j6y6ckusdg94u33v8iadmkdr monthly 0.5 2020-03-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851223-0KE50UNKK5J1FWVSL70Y/GSOC+Wallowa+flowers+article_Page_2_Image_0001.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Deerhorn Clarkia https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851222-N7A6Z1WFFELWZ9AUJQMM/GSOC+Wallowa+flowers+article_Page_2_Image_0002.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Mountain Ladies Slipper https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851616-U74HG4PH6CGMNLIA8J2Y/GSOC+Wallowa+flowers+article_Page_2_Image_0003.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Calypso orchid https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851857-YTRBVK5YTR2LRJOKXA0X/GSOC+Wallowa+flowers+article_Page_2_Image_0004.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Columbine https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851767-NGPWT9QY46A1PYK7L5GB/GSOC+Wallowa+flowers+article_Page_3_Image_0001.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Striped Coralroot https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233852000-1YR3BSSR9HIGDV211O0P/GSOC+Wallowa+flowers+article_Page_3_Image_0002.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Scarlet Gilia https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233852535-7CM13FJOPMX5RPO484GN/GSOC+Wallowa+flowers+article_Page_3_Image_0003.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Big Headed Clover https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233852658-GZ3ZWPHH0ZL5AZCZJRU4/GSOC+Wallowa+flowers+article_Page_3_Image_0004.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Camas https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233853420-RTFN42G5CXVIXOUF2YAC/GSOC+Wallowa+flowers+article_Page_4_Image_0001.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Salsify https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233853018-2ZSCJ9WT69HMP8S8NFOW/GSOC+Wallowa+flowers+article_Page_4_Image_0002.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - Buckwheat https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233855577-QWNRSIQXZIJOKZ3YQO3G/GSOC+Wallowa+flowers+article_Page_5_Image_0001.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - A riot of flowers carpet the Zumwalt Prairie with the Wallowa Mountains as a dramatic backdrop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233855451-5207K8WL01BAK5402XZ3/GSOC+Wallowa+flowers+article_Page_6_Image_0001.jpg Articles - Floral Notes From the GSOC Wallowa Field Trip - A meadow near the Buckhorn Overlook explodes in flowery profusion. A Ponderosa pine adds a nice backdrop. https://www.gsoc.org/news/2019/10/23/welcome-new-members monthly 0.5 2019-10-23 https://www.gsoc.org/news/2019/10/14/nick-zentner-pacific-northwests-rock-star monthly 0.5 2020-03-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1571081310472-NRX7PVYKBMMAP93BRL77/Zentner_volcanoes.jpg Articles - Nick Zentner, Pacific Northwest’s ‘Rock Star’! Zentner explains the connection between magma silica content and style of volcano. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1571081483412-X0AAL3N3RW9AF3GYLAZE/Zentner_Hammond.jpg Articles - Nick Zentner, Pacific Northwest’s ‘Rock Star’! Zentner traces the inspiration for the lecture to a discussion between himself and Paul Hammond at the 2014 GSOC Annual Banquet. https://www.gsoc.org/news/2019/8/21/tyee-country-and-marys-peak-trip monthly 0.5 2020-03-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566454692315-3BXY7DX6DM9OXKNAWPW1/gsocsepoct19_Page_04_Image_0001.jpg Articles - Tyee Country and Marys Peak Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566454544517-2A4OHR9P7EDROW0WOH6V/gsocsepoct19_Page_01_Image_0001.jpg Articles - Tyee Country and Marys Peak Trip GSOCers swarm over to the gabbro dike at the base of Marys Peak. The surrounding rock is the Siletz River Volcanics. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566454901826-GKCZCJNCPIIT4E4USK9Z/gsocsepoct19_Page_04_Image_0002.jpg Articles - Tyee Country and Marys Peak Trip Waterfall cutting through gabbro sill. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566454943933-MEQPXVVI3IG1VXX8EAF7/gsocsepoct19_Page_05_Image_0001.jpg Articles - Tyee Country and Marys Peak Trip Gabbro has the same composition as basalt but with a intrusive phaneritic texture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566455074972-IFX3PK1XT6S7KWV8T8ND/gsocsepoct19_Page_05_Image_0002.jpg Articles - Tyee Country and Marys Peak Trip The graceful blooms of the Columbia lily dotted the fields at the top of the mountain. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566455157091-NT7PV2ES8FW1MR61CC22/gsocsepoct19_Page_05_Image_0003.jpg Articles - Tyee Country and Marys Peak Trip Group leader Sheila Alfsen discusses the features viewed from the top of Marys Peak. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566455177155-H44Z6GIO7DT9EU6P1Y15/gsocsepoct19_Page_06_Image_0001.jpg Articles - Tyee Country and Marys Peak Trip Carol and the pillow basalts. I’m not sure who took the shot or who is behind me. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566455199650-7A74HHBRXF6T5YV3GE2P/gsocsepoct19_Page_06_Image_0002.jpg Articles - Tyee Country and Marys Peak Trip Shotgun shells (in color) littering quarry floor (black-and-white). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566455224287-HLCNIGNDM3UF6WKWLZRT/gsocsepoct19_Page_06_Image_0003.jpg Articles - Tyee Country and Marys Peak Trip A fault in the Tyee Formation at one of the newer roadcuts on US 20. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566455237893-PPQDZXURTRH28YEKNCU6/gsocsepoct19_Page_06_Image_0004.jpg Articles - Tyee Country and Marys Peak Trip A row of dewatering pipes at the base on an embankment on US 20. https://www.gsoc.org/news/2019/8/21/board-meeting-notes-august-10-2019 monthly 0.5 2019-08-22 https://www.gsoc.org/news/2019/8/18/welcome-new-members monthly 0.5 2019-08-18 https://www.gsoc.org/news/2019/8/6/wallowas-field-trip-with-ellen-morris-bishop monthly 0.5 2020-03-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557721384-4SVW8OBBDSRJCW88MKG5/GSOC_Wallowa+article_Page_01_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - I’ll begin this article with a picture of the Buckhorn Overlook taken on May 18, 2019, when Evelyn Bennett, Julia Lanning and I did the reconnaissance for the Wallowa trip. We were directed up here by guest field trip leader Ellen Morris Bishop as this is the best overlook of the eastern canyons area for observing the ranks upon ranks of Columbia River Basalt flows that override the exotic terrane rocks of Hells Canyon, Imnaha Canyon and the Zumwalt Prairie through which we had travelled to get there. We are actually looking down into Imnaha Canyon here and Hells Canyon is just over on the other side of the last green ridge you can see. The blue ridge beyond is the eastern wall of Hells Canyon. (Photos by Carol Hasenberg unless otherwise marked.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565154982604-QG7SB8XHLV9DGKV5AFL6/GSOC_Wallowa+article_Page_01_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - There are only two of the six formations of the Columbia River Basalt Group outcropping in the Hells Canyon and Wallowa area – the Imnaha below and the enormous Grande Ronde above. The lineation of the canyon walls reflects individual flows of each formation. The grassy bench in the lower portion of the canyon marks the top of the Imnaha. (Another reason that I’m showing this picture is to contrast this nice partly sunny day in May with the partly rainy and cold ‘Junuary’ day we got for the official trip. In fact, we did not plan to do Buckhorn on the first day of the field trip, but the weather forced us to rearrange the days a bit to save the nicer weather for the day of the hike.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557715942-6T2YPZL1F9ZHKFBSU9JI/GSOC_Wallowa+article_Page_02_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - This shot shows the weather on June 20, 2019. A participant, Joyce Mills, is wrapped in winter gear to brave the 39-degree weather. The confluence of the Imnaha and the Snake occurs just to the left of the prominent ridge in the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557725946-BFK2Z518R6MBKKTG6K32/GSOC_Wallowa+article_Page_02_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - On the way to Buckhorn the most prominent features in Zumwalt prairie are the Findley Buttes shown in the background of this shot taken at the Nature Conservancy Horned Lark trailhead. The buttes are shield volcanoes from the last of the Grande Ronde flows capping the prairie. Overlying the basalt are various late Miocene ash flow tuffs and windblown loess from the Ice Ages, giving the prairie features a soft, rounded appearance. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557734164-GU12EZDC7VCL6CQV8NAP/GSOC_Wallowa+article_Page_03_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Along the Zumwalt Prairie we also encountered a patchwork of low mounds with rocky drainages between them. These ‘biscuit scablands’ or ‘mima mounds’ are believed to have been sculpted by generations of pocket gophers, who frequently scurried across the path of the vehicles. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557746923-M4NUL6460ZBFYE6X0H2D/GSOC_Wallowa+article_Page_03_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - In a couple of roadcuts the Grande Ronde basalt could be spotted on the prairie. Charlie Raymond poses by one of these. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557747905-3LRZWWTDOAPM1DA55EK1/GSOC_Wallowa+article_Page_04_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - This closeup of the basalt at the roadcut shows the onion-peel characteristic of spheroidal weathering, and is not to be confused with pillow basalts. Pillow basalts form under water and exhibit radial cracking patterns. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557762993-6LD662XW3ZSPILYVL6JU/GSOC_Wallowa+article_Page_05_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - The field trip guide for this part of the trip was photographer Dave Jensen (tan outfit in the center), who took the group to a grove which was an ancient camp of the Nez Perce tribe. The Nez Perce stripped bark from the trees to mark the camp site, which can be seen on the Ponderosa pines over Dave’s shoulder. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557764380-3RW9IE3NOAN4VWZJ1JIK/GSOC_Wallowa+article_Page_06_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Later that evening my car buddies Dawn Juliano, Larry Jordan and I went into downtown Enterprise to explore several buildings sheathed with Bowlby Stone. A tuffaceous material erupted during the Grande Ronde flows, Bowlby stone was a popular material because it cut easily when wetted. Larry hams it with the detective work. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557776844-45BA1MCHB0ET3ASOJ7QU/GSOC_Wallowa+article_Page_06_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Here is the money shot of the graceful Wallowa County Courthouse which is also sheathed in Bowlby stone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557784036-2JD44WOUU2CKUT74K5X7/GSOC_Wallowa+article_Page_07_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - We also explored the difference in the “fake Bowlby stone”, or concrete made to resemble the color and texture of the real stuff. Concrete is on the left and real Bowlby stone is on the right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557785995-BJW31H2LH8Z25MDLSMDU/GSOC_Wallowa+article_Page_07_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Next day we organized our carpools to head into Hells Canyon. This drive was approximately 90 miles each way over twisty roads from Joseph. Stop 1 on Highway 350, just a few miles from Joseph, was a roadcut through a phreatic explosion of Grande Ronde basalt. The explosion was a result of water or mud mixing with the hot lava. Pelagonite was produced in the eruption, and it is characterized by the sulphurous yellow of the mineral limonite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557800123-595US96IGPRN3POHX8YQ/GSOC_Wallowa+article_Page_08_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - About 40 miles into the drive we stopped at Hells Canyon Overlook. Also a bit of a misnomer, we are looking down a side canyon that terminates in Hells Canyon. In the closest ridge shown in the picture we see the CBRG. From the overlook we could also see folded swirls of the marble of the Martin Bridge Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557799198-RT61YHFWYUC9VJYO0U51/GSOC_Wallowa+article_Page_09_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Our first two stops in Hells Canyon were in the first five miles north of Copperfield on the Idaho side, where we viewed the greenstones of the Hunsaker Creek formation. These were formed when the ancestral volcanic rocks of the Wallowa Terrane, from the Permian period, metamorphosed under the pressure of the accretionary process. Bishop answers some questions from the participants. For you mineral buffs, in his book Islands and Rapids, Tracy Vallier describes the volcanic rocks of the Hunsaker Creek Formation as metamorphosed to the greenschist facies, changing the composition to keratophyre or quartz keratophyre, rich in the minerals quartz and albite with minor amounts of chlorite, epidote, and calcite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557819941-6PQ6XDX4XIVAOWJYJ0OA/GSOC_Wallowa+article_Page_10_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - And here is a picture of a greenstone from the first stop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557812944-K30VMWPW8KMFEQXGIH4S/GSOC_Wallowa+article_Page_10_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Looking ahead at Hells Canyon stop 2 we see the swirls of a crag of the marbleized Triassic Martin Bridge Formation of the Wallowa Terrane. We stopped near there on the return from the canyon to observe some tiny fossil imprints still present in the rock, and cracked some samples open to smell the ‘petroliferous’, or oily-sulfurous smell still present therein from the decay of organic material in the original limestone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557824790-LVY4ICAE1T6WKS6EAVEB/GSOC_Wallowa+article_Page_11_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - At the third stop we could also look across the Snake River to view some swirling strata of the Martin Bridge Formation on the Oregon side. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557826892-GODSEUH9GI48R6QASICG/GSOC_Wallowa+article_Page_12_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Clay Kelleher brought along his muriatic acid with which to test for limestone or other calcic rocks. Here it is doing its thing on the Martin Bridge marble. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557833569-T87CA6NGXL6F0JI81VXO/GSOC_Wallowa+article_Page_13_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - This picture was taken of Ellen at the last stop before we reached Hells Canyon Dam, but darned if I can remember what the rock with the phenocrysts was about. I did not take notes at this stop. Tracy Vallier says that some flows and sills of the Wild Sheep Creek Formation have glomeroporphyritic textures and shows in the book Islands and Rapids a similar rock from a stop near Hells Canyon Dam. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557836461-AT98PIZZGFN2GK3YMXSN/GSOC_Wallowa+article_Page_14_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - This shot shows the rugged character of the Wild Sheep Creek Formation outcrops near Hells Canyon Dam. The Triassic Wild Sheep Creek Formation is more mafic than the Permian volcanic strata of the Wallowa Terrane, and it forms the steepest cliffs of Hells Canyon. Its volcanic rock origins were basalts and andesites, from lava flows, pyroclastic rocks, and breccia from debris flows, and turbidites, intermingled with small amounts of limestone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557846461-NTGRYFGX42FDP1W9MCWG/GSOC_Wallowa+article_Page_14_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - June McAtee took this awesome shot of the mountain goats cavorting near Hells Canyon Dam on the Wild Sheep Creek Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557850730-LV95WQ7ANJ6N6LMBGLEH/GSOC_Wallowa+article_Page_15_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Carole Miles poses near a boulder from the Martin Bridge Formation on the last stop before leaving the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557857533-RD08OIT5BWZGSK31OBW0/GSOC_Wallowa+article_Page_16_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - This shot taken from the Black Point area showcases the rugged beauty of Hells Canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557872217-BZIG5WM92POFUZTZN0G3/GSOC_Wallowa+article_Page_16_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Third day of the trip began with a little drive from Joseph toward the Hurricane Creek trailhead. On the way up the group stopped at an outcrop of the ‘Lower Sedimentary Series’, sedimentary rocks somewhat older than the Martin Bridge Formation and forming the base of Chief Joseph Mountain. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557875608-I9L7NKQG2PA7FDTI127X/GSOC_Wallowa+article_Page_17_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - From the trailhead, the field trip participants diverged into three groups for hiking. This is my ‘relaxed paced group.’ Woody English, Sheila Alfsen, Dawn Juliano, Jan Kessler, Carole Miles, I think that is Kitty Reed hiding behind Annie English, author Carol Hasenberg, and Bonnie Prange. None of us felt like endangering ourselves on the Falls Creek crossing, which was quite treacherous, so we hung out and looked at rocks in the creek bed and Kitty and Sheila led an impromptu learning session with those rocks. Then Jan Kessler, Carole Miles and I got brave and climbed the (slightly less) treacherous scree path to the falls on Falls Creek. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557890463-D8EBUYMS9BY4BDNF9X7J/GSOC_Wallowa+article_Page_17_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - We were rewarded at the top of the Falls Creek path with this outstanding outcrop of Martin Bridge marble (and also the falls, not in the picture). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557893171-PYU7KMAVQ104J5O7M022/GSOC_Wallowa+article_Page_18_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - After the hikers returned, we jumped into our cars and drove over to the next valley west, the Losteen River valley. Here we saw this impressive outcrop of Wallowa Batholith granodiorite at the Pole Bridge Picnic Area, where we had a little picnic. This most northerly tongue of the batholith is the most accessible view of 125-140-million-year-old rocks of the stitching plutons that mark the accretion of the Wallowa Terrane onto North America. During the picnic, the group had a lively discussion of why the moraines of the Wallowa River at the outlet from the Wallowa Mountains, which form Wallowa Lake, were so much bigger and more pronounced than those of the Losteen River, whose mountain valley is nearly straight and much longer than that of the Wallowa River. After much discussion, we covered parameters such as the steepness of the Wallowa River course vs. that of the Losteen, barriers to sediment transport, etc. Also I just thought of another reason – the hardness of the material the glaciers had to carve (i.e., the Wallowa Batholith vs. the sedimentary rocks of the Wallowa Terrane). Any takers? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557906798-UNMILN6QA8O94GFF3Z2L/GSOC_Wallowa+article_Page_19_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - The final day of the field trip began on the terminal moraine from the glacier that created Wallowa Lake. Ellen used this portion of the trip to discuss the fragile ecology of the moraine bunch grass prairie – this area is one of the few remaining stands. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557907395-Q77T6GDG05Z3YY3EXBBB/GSOC_Wallowa+article_Page_20_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Ellen pointed out and described a number of native and invasive species in the prairie at the top of the moraine. The list included Great Basin wild rye, bunchgrass, buckwheat, pickoon, lupine, cheat grass, timothy, salsify and arnica. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557919156-NUTMPOHVEX8JLSJZJKTY/GSOC_Wallowa+article_Page_21_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Bunchgrass and native prairie species tend to mass in bunches, leaving space to develop a ‘biological crust’ in between comprised of slow growing moss and lichen. This protective barrier is easily disturbed by grazing animals. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557916769-DY8HHIGOKPDULC7RTCED/GSOC_Wallowa+article_Page_22_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Teresa Meyer and Barbara Stroud shown here plotting an article on the botany of the prairie. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557929192-5DF37HI40ZVD94TMNNB9/GSOC_Wallowa+article_Page_23_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Heading up the Wallawa Lake Tramway, one gets fabulous views of Wallowa lake and the lateral moraines which enclose it like great arms coming from the mountains. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557932369-VCCOYRYVV683XSBL8KC9/GSOC_Wallowa+article_Page_24_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - The view at the top of Mt. Howard was not quite as spectacular on this day. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557936470-XAD4OBHR0LFWT226ST8T/GSOC_Wallowa+article_Page_24_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Field trip participants Dawn Juliano, Mary and Charlie Raymond, and Woody English chat with Dave Jensen (orange coat) while waiting for the clouds to lift. Photo by Annie English. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557951882-TVDMZ0IGA842SUF1AJFE/GSOC_Wallowa+article_Page_25_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Nevertheless Kitty Reed and I located ‘Bev’s favorite basalt’ as described to me by Larry Purchase. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557942692-9WNTVHPHGPG3LUQPWWO9/GSOC_Wallowa+article_Page_26_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - Coming down, the clouds were even lower, but one could see the front of the Wallowa Mountains as defined by the Wallowa Fault. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557949069-FWDLMDAX1Y1SOS0QG5XH/GSOC_Wallowa+article_Page_26_Image_0002.png Articles - Wallowas Field Trip with Ellen Morris Bishop - One could also see a spectacular CRBG dike sticking out of the side of East Peak, the next peak to the south of Mt. Howard. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557958242-XSYIVLVXNOVX3R72ZAJ6/GSOC_Wallowa+article_Page_27_Image_0001.png Articles - Wallowas Field Trip with Ellen Morris Bishop - The sun finally set on the end of a fine trip to the Wallowas. https://www.gsoc.org/news/2019/7/10/he-coaledo-project-revisits-the-formation-of-the-south-central-oregon-coast monthly 0.5 2019-10-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1562830849818-PYQNLN74SJ7DV32QXY4M/Armentrout-in-situ.png Articles - The Coaledo Project Revisits the Formation of the South Central Oregon Coast Dr. John Armentrout ‘in situ’ in the Coaledo area https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1562832243199-OG7XVJJABW19CP8JB0TW/Sunset+bay+stress+patterns.png Articles - The Coaledo Project Revisits the Formation of the South Central Oregon Coast Image description: Fault directions reveal stress patterns through time in an area that includes Sunset Bay and Lighthouse Beach. Arrows marked 1 indicate deformation directions in the Eocene and Oligocene, 2 indicate Miocene directions, and 3 Pliocene directions. Source: John Armentrout and the Coaledo Project team. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1562832350775-ADPTP71KBW136LKJ556N/Coaledo+coarsening+cycles.png Articles - The Coaledo Project Revisits the Formation of the South Central Oregon Coast Image description: Coarsening upward cycles in the deposits in Sunset Bay. Source: John Armentrout and the Coaledo Project team. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1562832506286-EEYP6DTQ13JN3H3CG76I/Tyee+shelf+to+slope+transport.png Articles - The Coaledo Project Revisits the Formation of the South Central Oregon Coast Image description: Depositional model for shelf-slope transport. A refinement of the model from Chan and Dott 1986. Source: John Armentrout and the Coaledo Project team. https://www.gsoc.org/news/2019/7/11/gsa-cordillera-conference-recap monthly 0.5 2019-07-11 https://www.gsoc.org/news/2019/7/11/welcome-new-members monthly 0.5 2019-07-11 https://www.gsoc.org/news/2019/7/11/gsoc-outreach-efforts-grow monthly 0.5 2019-07-11 https://www.gsoc.org/news/2019/7/11/june-board-mtg-notes monthly 0.5 2019-07-11 https://www.gsoc.org/news/2019/5/8/lpredicting-submerged-archaeology-sites-in-the-pacific-nw monthly 0.5 2019-10-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557428188976-3U7D5HUWOPEZF6CXHNQ1/Krier-map-Carol.jpg Articles - Predicting Submerged Archaeology Sites in the Pacific Northwest Isostatically Adjusted Paleoshorelines for Oregon and Washington: 20,000 Years of Changing Shorelines, Jon Krier https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557447011352-6N9W53DYCE00EKYHHEGO/Krier-footprint-crop.png Articles - Predicting Submerged Archaeology Sites in the Pacific Northwest Photograph of a human footprint (center) impressed into a 13,000-year-old paleosol at the Meay Channel I archaeology site on Calvert Island. Source: Sci News, March 29, 2018. Image credit: Duncan McLaren. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557429400401-NABGM0SG7VUY5T1NX48Y/Krier-HMS-Erebus.png Articles - Predicting Submerged Archaeology Sites in the Pacific Northwest In 1845, explorer Sir John Franklin set sail from England with two ships, HMS Erebus and HMS Terror, in search of a Northwest Passage across what is now Canada's Arctic. The ships and crew were last seen by Inuit on King William Island and never returned to England. Their apparent disappearance prompted a massive search that continued unsuccessfully for nearly 170 years. In September 2014, an expedition led by Parks Canada discovered the wreck of HMS Erebus in an area that had been identified by Inuit. Two years later the wreck of HMS Terror was located. Historical research, Inuit knowledge and the support of many partners made these discoveries possible. Now Inuit and Parks Canada are working together to jointly manage this fascinating National Historic Site. Source: Parks Canada website https://www.gsoc.org/news/2019/5/8/lasers-light-up-prehistoric-perils-in-oregon monthly 0.5 2019-10-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557425709790-QK8FLQ0OJ6LP0NY3QWP0/Madin-forest.png Articles - Lasers Light Up Prehistoric Perils in Oregon! New Mt. Hood Area Faults Discovered. Boots on the ground verification of the Twin Lakes Fault. Source: DOGAMI paper “The Mount Hood Fault Zone—Late Quaternary and Holocene Fault Features Newly Mapped with High Resolution Lidar Imagery,” by Ian P. Madin, Ashley R. Streig, William J. Burns, and Lina Ma. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557425937212-WD1ZQV796G3VYE0LSLIM/Madin-north-faults.png Articles - Lasers Light Up Prehistoric Perils in Oregon! New Mt. Hood Area Faults Discovered. Location map of the north faults in the Mount Hood Fault Zone. Lidar-mapped fault features shown in color, black rectangles show locations of other figures in this paper, and heavy black lines are bedrock faults from recent geologic mapping by McClaughry and others (2012). Sources: ESRI, HERE, DeLorme, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), MapmyIndia, NGCC, © OpenStreetMap contributors, and the GIS User Community. Compilation from DOGAMI paper “The Mount Hood Fault Zone—Late Quaternary and Holocene Fault Features Newly Mapped with High Resolution Lidar Imagery,” by Ian P. Madin, Ashley R. Streig, William J. Burns, and Lina Ma. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557426102978-31J97B0Z92YDDC2RA9LQ/Madin-south-faults.png Articles - Lasers Light Up Prehistoric Perils in Oregon! New Mt. Hood Area Faults Discovered. Location map of the south faults in the Mount Hood Fault Zone. Lidar-mapped fault features shown in color, black rectangles show locations of other figures in this paper, and heavy black lines are bedrock faults from recent geologic mapping by McClaughry and others (2012). Sources: ESRI, HERE, DeLorme, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), MapmyIndia, NGCC, © OpenStreetMap contributors, and the GIS User Community. Compilation from DOGAMI paper “The Mount Hood Fault Zone—Late Quaternary and Holocene Fault Features Newly Mapped with High Resolution Lidar Imagery,” by Ian P. Madin, Ashley R. Streig, William J. Burns, and Lina Ma. https://www.gsoc.org/news/2019/5/9/welcome-new-members monthly 0.5 2019-05-09 https://www.gsoc.org/news/2019/5/9/gsoc-board-meeting-notes-april-2019 monthly 0.5 2019-05-09 https://www.gsoc.org/news/2019/3/21/kilaueas-2018-eruption monthly 0.5 2019-03-21 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553161771787-9E2VGJXJYIVT1EMHA8Z6/Mauna-Loa-view.jpg Articles - Kilauea’s 2018 Eruption Scale of three of the volcanoes on the Big Island: Massive Mauna Loa in the center has erupted 33 times in historical times. It dwarfs the more active Kilauea. Hualalai shown in the distance is an active volcano and poses considerable risk to the Kona coast. Photo by USGS. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553161475150-Y0J8SE82DRURRU4P04WM/Halemaumau-crater.jpg Articles - Kilauea’s 2018 Eruption A recent photo by the author from near the south side of the Halemaumau caldera on the peak of the Kilauea volcano. This is as close of an approach to the caldera as the USGS will allow these days. Before the eruptions in 2008, you used to be able to drive around the caldera, park your car and walk right up to the edge and look in. That parking lot and viewpoint have fallen into the current caldera. Most of the caldera rim drive has also been closed, and pedestrians may walk down a section to this viewpoint. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553161855181-FOMUSY8R79GKRQ8B2E23/Big-Island.jpg Articles - Kilauea’s 2018 Eruption Above – orientation to the Big Island: Hawai’I is a pretty big place – the island contains 5 volcanoes, and cities are located away from most active volcanism and in the most level spots. Volcanic features are shown in yellow and orange, and cities and towns are in blue. The massive bulks of Mauna Loa, Mauna Kea, and Hualalai dominate the scenery. The slopes of Kilauea are fairly shallow in angle, and unfortunately, this attracts development. Map base is from Google Maps, which has not yet been updated since the 2018 eruptions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553161945972-YIBZMOE2Z5Q2QCJOQFOG/Kilauea-2018-eruption.jpg Articles - Kilauea’s 2018 Eruption In this USGS map, the 2018 lava is shown in salmon orange. Older flows are in lavendar. Theis map is part of the USGS HVO website under the 2018 Activity tab. https://www.gsoc.org/news/2019/3/21/hawaiian-submarine-landslides-and-the-great-crack-of-kilauea monthly 0.5 2019-03-21 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553163030680-K60LXILU3J7NWJP4YC5Y/Landslides2.jpg Articles - Hawaiian Submarine Landslides and the Great Crack of Kilauea USGS diagram from “Imaging the Sea Floor,” showing the extent of landslides around the Hawaiian Islands. The actual image, from the same article, produced by the side-scan sonar of the large landslide in the box is shown below. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553163011727-MP86CS6WLM3IHT5MHCRB/Landslides.jpg Articles - Hawaiian Submarine Landslides and the Great Crack of Kilauea https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1553163107194-ZDV5VWZ2T0WMFYRLNESG/crack.jpg Articles - Hawaiian Submarine Landslides and the Great Crack of Kilauea The Great Crack as seen from the air. From NASA’s virtually Hawaii project. https://www.gsoc.org/news/2019/3/21/welcome-new-members monthly 0.5 2019-03-21 https://www.gsoc.org/news/2019/3/21/in-memoriam-william-stephens-greer monthly 0.5 2019-03-21 https://www.gsoc.org/news/2019/3/21/gsoc-board-meeting-notes-february-2019 monthly 0.5 2019-03-21 https://www.gsoc.org/news/2019/1/7/gsoc-hosts-chinese-delegation-earthquake-conference monthly 0.5 2019-10-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1546906667281-754JQNK1JV2DRMAAIJH7/Huangshan-Delegation-edit2.png Articles - GSOC Hosts Earthquake Conference for Anhui Province Delegation November’s Anhui Province Delegation Earthquake Preparedness Conference (Xia Dengyun, Wang Chunlei, Da Jiulin, Zheng Shudong, Wang Xiaoming, Wang Jinjing, Ai Li, Cheng Bin, Cheng Yongpin, Wu Shoufa, Xu Shilu, Chen Shuo, Zhang Xuwen Wang Chenghua, Zhao Xuebing, Chen Yusen with Organizer GSOC Vice-President Sheila Alfsen, Dr. Scott Burns, Bill Burgel and Larry Kotan (not pictured). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1547543877516-SRQ0DG69DEPN9JDKAUO9/Sheila-%26-Wang-Zishan.png Articles - GSOC Hosts Earthquake Conference for Anhui Province Delegation Sheila and translator Wang Zishan. https://www.gsoc.org/news/2019/1/8/welcome-new-members monthly 0.5 2019-01-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1546940572119-8UXUS8TW3VXV2KECYTKO/Sebastian.png Articles - Welcome New Members! Our board member Megan Faust has a family membership, so Sebastian will automatically receive our newsletter! https://www.gsoc.org/news/2019/1/8/in-memoriam-gsoc-member-connie-battaile monthly 0.5 2019-03-21 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1546939682283-TUPBC0NVWEEEFLJRQQ3Y/Connie-Battaile.png Articles - In Memoriam: GSOC Member Connie Battaile https://www.gsoc.org/news/2019/1/8/gsoc-december-2018-board-meeting-notes monthly 0.5 2019-01-08 https://www.gsoc.org/news/2019/1/8/development-of-earthquake-early-warning-systems monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1546942179522-0LGKW7BTQRHCINQWN96K/railroad+tracks+hi+res.jpg Articles - Development of Earthquake Early Warning Systems Typical track deformation due to ground surface motion in an earthquake. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1546942741809-2X711WJ3MRC6Y6T9POYS/How_ShakeAlert_Works.png Articles - Development of Earthquake Early Warning Systems ShakeAlert Earthquake Early Warning System for the United States West Coast (www.shakealert.org) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1546943557066-SV214GW1GK609ME1DAJ0/ShakeAlert_Station_Buildout_12_18.png Articles - Development of Earthquake Early Warning Systems Seismic Station build-out progress as of December 2018 (www.shakealert.org) https://www.gsoc.org/news/2018/11/1/dont-forget-to-re-up-your-membership monthly 0.5 2019-01-07 https://www.gsoc.org/news/2018/10/18/camp-hancock-and-john-day-basin-field-trip monthly 0.5 2018-11-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539914180231-9QNDDRSH6WUQC7FT9SGU/image-asset.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Bo Nonn contemplates the Clarno Unit Palisades while Sheila listens to Bill Orr’s discussion. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539915767153-KJMB7JBIBDPVYACIXBE0/Bill+at+Palisades+-+1.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Bill explains lahars. Photo by Paul Edison-Lahm. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1541070740386-MVNMBBO6FLITLSDUTUCO/COGS-detail.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Bob Timmer and Paul Edison-Lahm perform the ceremonial handshake and exchange of GSOC mug during the GSOC/COGS get-together. Photo by CSH https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539915513041-E3Z40CXGXFSTIT2J7XAE/Camp-Hancock-sign-edit.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Welcome to Camp Hancock! Photo by Patty Hyatt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539916818182-OK5H72ABXNOSJVFN3KQG/RCA-prep.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip RCA members prepare their scopes for evening viewing. Photo by Megan Faust. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539916969872-Q84HWIXSC4R2T7MJBWEO/Kelsey-at-Tree-edit.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip RCA Star Ambassador Kelsey Yocum enjoys some geology at the Hancock Tree. Photo by Paul. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539917138139-DQZ77D4F1QMR9BN10V9K/Nick-on-hike-edit.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Dr. Famoso discusses the lahar deposits. Photo by Paul. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539917213030-X1RB02CH7X09F2AF1NQ0/Nick+Famoso+air+quotes.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip NPS Paleontologist Nick Famoso explains with air quotes and the Clarno Nut Beds in the backdrop. Jon Stroud and Madison Ball are listening. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539917251448-KAJ4FU2FVQQGUINWNT5C/image-asset.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip The paleosols of Red Hill. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539917298110-A4704VBU5L7JNT0UB1P9/image-asset.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip The Mammal Quarry. Photo by Barbara Stroud. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540235725318-8IJ38HF4XLRAVNAKZ47U/Lab-fossils.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Nancy Overpeck inspects one of the fossils in the lab. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540235891123-BHETMT8VY5CFGNYJWGMR/Dawn-%26-Carol-edit.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Board members Dawn Nilson (RCA) and Carol Hasenberg (GSOC) gather in Lon’s Lab for Orr’s Fossil ID session. Photo by Paul. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540235752696-PIMWGV7YT9BLFU8NYZBW/Strat-model.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip This model of the stratigraphy of the JDNM was found in Lon’s Lab. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1541071406267-9P7SQZQ8IU59743VCX6O/Lon+Hancock+President+photo.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Lon Hancock, GSOC President of 1945. GSOC Archive photo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1541071448092-6GJ4EKPC6MHPGCZQPZVU/Thomas+Condon.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1541071508538-UEDUE9BHSC07D3HTMEKM/image-asset.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540441863435-KF9CY38MD0YF62G7MBWZ/blue+basin+hi+res.JPG Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip The group is dwarfed by the spectacular Turtle Cove Formation on Sunday’s Blue Basin hike. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540442268516-Q6RRV7DQ43YL6F54O6UD/Hancock+group+photo+hi+resJPG Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip The 2018 GSOC President’s Field Trip Participants pause for a photo on the porch at OPLI. First row from left Barbara Stroud, Nancy Overpeck, Paul Edison-Lahm, Dennis Chamberlin, Charlie Montross, Patty Hyatt. Second row Mark Anderson, Jan Kessler, Christina Bennett, Julia Lanning. Third row Bo Nonn, Barbara Smoody, Larry Jordan, Sheila Alfsen, Ann McKinney, Larry Purchase. Fourth row Herb Dirksen, Jon Stroud, Bill Orr, Fennella Robinson, John Scott, Bill Stein, Madison Ball, Megan Faust, Karyn Patridge. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540249937170-UWVS28H4B0LW18DEKNL6/Karyn-at-Foree-edit.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Karyn Patridge talks about the stratigraphy in the Foree section of the JDNM. Photo by Paul. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540249848374-5N3C6WJZSXC30NJLALJG/Karyn-diagram-edit.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip One of Karyn’s discrimination diagrams clearly shows the Crooked River Caldera magma source as being different from the other volcanoes in the region at that time. Note that outcrops of Picture Gorge Ignimbrite belong with the Crooked River group. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540250242360-01OOJ3SQKL42TIDDM3JP/Dennis+drone+PGB+dike.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Dennis Chamberlin broke out his drone and took this spectacular shot of the Picture Gorge Basalt dike near Kimberly. Photo by Dennis Chamberlin. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540250589570-F11CAPNIHVOUT80PR6MP/Paul-on-a-rock-edit.png Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Paul makes an announcement from a piece of Goose Rock in the parking lot of the Foree area. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540251479968-PO2FKU4D33LTASVTPNQQ/Terminator-pig-edit.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Fossil cast of “Terminator Pig” skull outside the Thomas Condon Museum. Photo by author. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1540258347141-H0CBZN07CKLQDO89CO85/Mascall-Overlook-pano-edit.jpg Articles - Fond Memories of Our Recent Camp Hancock and John Day Basin Field Trip Last stop at the Mascall Overlook near Picture Gorge. Photo by author. https://www.gsoc.org/news/2018/11/1/welcome-new-members monthly 0.5 2018-11-01 https://www.gsoc.org/news/2018/11/1/gsoc-board-meeting-notes-october-13-2018 monthly 0.5 2018-11-01 https://www.gsoc.org/news/2018/9/23/gsoc-annual-picnic-wrap-up monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1537752848644-Z1YZFX7I2XYX5YEXC1S2/image-asset.png Articles - GSOC Annual Picnic Wrap-up Larry Purchase, Rosemary Kenney, and Dr. Famoso https://www.gsoc.org/news/2018/9/23/clarno-and-john-day-lava-extent-and-origins monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1537751199390-SA0ENU1GFKRQCYOILRUR/Cahoon-lecture.png Articles - Clarno and John Day Lava: Extent and Origins https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1537750908111-QRJRON7D2B0VS4MBCVFL/gsocsepoct18_Page_5_Image_0001.jpg Articles - Clarno and John Day Lava: Extent and Origins Map showing current locations of Siletzia (Seligman, et.al., 2014), the Yellowstone Hot Spot Track, CRBG coverage in brown, the conjectured location of the YHS in 32 Ma.(Wells et.al., 2014), and area of Cahoon’s work. Known calderas of the Clarno and John Day Formations are shown as green stars. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1537750981102-539YAVZZO3CLT7WF0UMO/gsocsepoct18_Page_6_Image_0001.jpg Articles - Clarno and John Day Lava: Extent and Origins Cahoon explains the geochemical analysis results for the Strawberry Mountain volcanics in comparison to standard basalt types. https://www.gsoc.org/news/2018/9/23/welcome-new-members monthly 0.5 2018-09-24 https://www.gsoc.org/news/2018/9/23/gsoc-board-meeting-notes-august-12-2018 monthly 0.5 2018-09-24 https://www.gsoc.org/news/2018/7/2/rotating-crustal-blocks-form-a-simplified-picture-of-pacific-nw-plate-motion monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1530584956287-7T9VYPUYC8RKKGZGN3DP/Wells+crustal+block+poster-2.png Articles - Rotating Crustal Blocks Form a Simplified Picture of Pacific NW Plate Motion Display board used by Ray Wells to give the audience a tactile experience of the tectonic motion of the Pacific coast of North America. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1530574326418-2E69Z41PRHDB1CDNO3QN/Wells+chart.jpg Articles - Rotating Crustal Blocks Form a Simplified Picture of Pacific NW Plate Motion Crustal earthquakes vs. volcanism in the Pacific NW. From USGS web page “Tectonic plate motions, crustal blocks, and shallow earthquakes in Cascadia,” see link below article. https://www.gsoc.org/news/2018/7/2/welcome-new-members monthly 0.5 2018-07-02 https://www.gsoc.org/news/2018/5/22/tom-pierson-lecture-landslides monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1527031304935-6XAHXMSPPP3M9Y6MXPWZ/Red-Bluffs-headscarp.jpg Articles - A Sharper Image of the Landslides of Skamania County View upslope to the headscarp of the Red Bluffs landslide, seen from the surface of the Crescent Lake landslide, taken in 2012. Photographer Tom Pierson, USGS CVO. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1527031842780-2W6Q3XNEXQC01OIYZUBI/Pierson+stratigraphy.png Articles - A Sharper Image of the Landslides of Skamania County Stratigraphy schematic of the Columbia River Gorge. The layers are shown at a 10 degree tilt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1527032361720-VSO49NMECN402ACLSMBK/Piper-Road-landslide-1-edit.jpg Articles - A Sharper Image of the Landslides of Skamania County Sequential photos showing the progression of the Piper Road Landslide on Rock Creek. Upper photo was taken on February 6, 2007, and the lower photo taken on February 16, 2007, shot from the same location. Photos by Tom Pierson, USGS CVO. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1527032654227-8XGCJKVUKZ3F56YGYSYS/Landslide+map.png Articles - A Sharper Image of the Landslides of Skamania County The landslides comprising the Cascade Landslide Complex. From the USGS publication “Landslides in the western Columbia Gorge, Skamania County, Washington,” SIM 3358. https://www.gsoc.org/news/2018/4/30/from-bowlby-to-zumwal-exploring-the-geology-of-oregons-wallowa-area monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525130349903-GFLX15ESBVNIUN0H9FPT/image-asset.jpeg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Wallowa Lake at the base of the Wallowa Mountains near Enterprise, Oregon. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525152416972-SBWTBJS86BTUNKLFAOH5/Stratigraphy_wallowas.png Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Stratigraphy schematic of the Wallowa Mountains and Hells Canyon area. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525130918804-UQY8LOVNCQMYEVR28MWT/gsocmayjun18_Page_05_Image_0002.jpg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Hells Canyon looking southwest to the Zumwalt Prairie and Wallowa Mountains beyond. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525131003770-QPH1HKKU8D3NNTUOXGO1/image-asset.jpeg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Alternating bands of andesite and rhyolite from the Cougar Creek Complex. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525131152723-6N9BMFOBUTX0PVC2JOKZ/gsocmayjun18_Page_06_Image_0002.jpg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas The walls of Eagle Creek Canyon are papered with alternating bands limestone and sandstone from the Martin Bridge and Hurwal Formations. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525131227665-EWQ2RJ6WSONWYAIZAG8U/gsocmayjun18_Page_07_Image_0001.jpg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Banded granodiorite in the Wallowa batholith. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525131323047-YE2M40GUUY09L9WMVHUI/image-asset.jpeg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Bowlby Stone on the Bowlby Building in Enterprise was created in the Wapshilla Ridge flow. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525131407051-L8H8QZWAWW46WFBEBYMA/gsocmayjun18_Page_08_Image_0001.jpg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Glacial moraines and erratic boulders from the shores of Wallowa Lake. Photo by Ellen Morris Bishop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1525131586215-UG9GENOSV9EHYPXSG854/gsocmayjun18_Page_08_Image_0002.jpg Articles - From Bowlby to Zumwalt: Exploring the Geology of Oregon's Wallowas Gravel bar dumped in Hells Canyon by the flood created by Ice Age Lake Bonneville. Photo by Ellen Morris Bishop. https://www.gsoc.org/news/2018/4/30/welcome-new-members monthly 0.5 2018-07-02 https://www.gsoc.org/news/2018/4/12/announcing-central-oregon-geoscience-society monthly 0.5 2018-04-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1523599118514-7FX58R89CWMOHMVR6SST/COGS_photo.png Articles - Announcing the Central Oregon Geoscience Society https://www.gsoc.org/news/2018/3/28/for-our-retired-members-take-a-geology-class monthly 0.5 2018-03-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1522278231680-Y417ZQJ1A5TGH35J3NPD/Cramer-Hall-53-auditing.png Articles - For Our Retired Members: Take a Geology Class! https://www.gsoc.org/news/2018/2/28/gsoc-president-elect-paul-edison-lahm-leads-discussion-of-the-geology-of-eastside-portland-and-johnson-creek monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519881612432-EWK3D3MSSSX5VWULZ6TY/Canyon-rocks-composite-edit.jpg Articles - Geology of Eastside Portland and Johnson Creek Basalt and quartzites in the Reed College Lake. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519882455630-6BF6GECSZXTYG73NK3W8/Johnson_Creek_watershed_map.png Articles - Geology of Eastside Portland and Johnson Creek Johnson Creek flows from headwaters at Cottrell to its confluence with the Willamette in Milwaukie. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519881687936-DTFM74MTCJ31WKQ89F8I/JC-watershed-rough-strat-map.gif Articles - Geology of Eastside Portland and Johnson Creek Detail from DOGAMI map (Ma, Madin, et. al) showing Johnson Creek Watershed boundary. Moving east to west: cream represents windblown sediments (loess); blue is ancient river rock, predominantly Troutdale formation; pinks are Boring Volcanics; tans are Missoula deposits; and a sliver of grey indicates the Waverley formation basalt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519881957540-4X3A8ZMV8IVAQ2LH4MP2/view-of-buttes-with-Missoula-flood-edit.jpg Articles - Geology of Eastside Portland and Johnson Creek Missoula floods covered East Portland to a depth of 150 meters. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519882050788-MVH9FCLQ8X04HXF5G7AV/image-asset.jpeg Articles - Geology of Eastside Portland and Johnson Creek Waverly Basalt at Johnson Creek/Willamette Confluence. https://www.gsoc.org/news/2018/2/28/awg-pnw-2018-field-trip-to-klamath-mtns-and-oregon-caves monthly 0.5 2018-03-01 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519886121843-6ST1D188S3OU519H0TB7/Oregon-Caves-National-Monument-AWG.jpg Articles - Association for Women Geoscientists Field Trip to Klamath Mtns. and Oregon Caves https://www.gsoc.org/news/2018/3/1/welcome-new-members monthly 0.5 2018-03-01 https://www.gsoc.org/news/2015/2/19/lon-hancock-oregons-amateur-geologist-dapmh monthly 0.5 2018-02-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424363910576-T75PDNWIAAR2NW263GVX/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation Lon Hancock, working at The Clarno Nut Beds. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424375573297-7PMDKV1IF1FZWT0JN1BS/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation Tom Bones (Left) and Lon Hancock at work at the Clarno Nut Beds. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424369230358-T035ZWFVLEXDQC3U5DVY/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation Lon Hancock in his home museum, showing fossil nuts, seeds, and leaves from the Clarno Nut Beds. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424375679344-CQ3ZCZBPEPL5EB9SIM50/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424378699097-R2FUEKBVYCAE7BDFJNJV/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424376499191-W6HHO6FTZTG92U68B9BO/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation Part of Hancock's fossil collection, as arranged at OMSI by his wife Berrie. (Photo courtesy Delano Photographics) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424368598645-QDU1T80DG10WEGGZ5VA7/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation hancock home museum https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424378603846-25XVOLBIA0P4PJW7RCK9/camp-detail.jpg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation Camp Hancock in its early days. (Photo courtesy Ed Bushby) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424376602559-XET83TJ3E52B79UD0DRN/image-asset.jpeg Articles - GSOC Charter Member Lon Hancock First to Discover Vertebrate Fossils in Oregon's Clarno Formation https://www.gsoc.org/news/2018/1/8/2018-election-results monthly 0.5 2018-03-01 https://www.gsoc.org/news/2018/1/1/oregon-gems-of-the-rice-museum monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515395325159-E2Y5VARBECBBTMVV57JC/Moclock-demonstrating.jpg Articles - Oregon Gems of the Rice Museum Rice Museum Curator Leslie Moclock demonstrates sunstone faceting at the conclusion of her November 10 lecture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515390728050-NQAN6KF3P8DI61MKSTK7/Moclock-sunstone-with-light.jpg Articles - Oregon Gems of the Rice Museum Moclock shines a light through this dichroic faceted and carved Oregon sunstone gem. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515390662066-MQKOGJF8RG0RKNI0WHVN/Moclock-rock.jpg Articles - Oregon Gems of the Rice Museum Moclock brought this huge thunderegg from Opal Butte for the GSOC crowd to ogle. https://www.gsoc.org/news/2018/1/8/nominating-committee-results monthly 0.5 2018-02-25 https://www.gsoc.org/news/2017/8/31/welcome-new-members-9la39 monthly 0.5 2018-01-08 https://www.gsoc.org/news/2018/1/8/gsoc-board-meeting-notes-december-16-2017 monthly 0.5 2018-01-08 https://www.gsoc.org/news/2017/11/8/helicopter-trip-to-mt-st-helens monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189195488-MHTFXCV4LF6O70GZZHJK/Mt+St+Helens+helicopter+view.jpg Articles - Helicopter Trip to Mt. St. Helens This view of the mountain and its volcanic crater clearly shows the central dome, the toe of the surrounding glacier (world’s fastest moving!), and red hydrothermally altered rock on Mt. St. Helens. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510190545475-LPWDS3GRI04LS2OOG71I/Mt-St-Helens-helipad-edit.jpg Articles - Helicopter Trip to Mt. St. Helens Takeoff from helipad from North Fork Survivors tourist compound. This is bigfoot country! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510190165046-UNKDS2XTWV53HURJEAV3/Mt+St+Helens+Toutle+River+view.jpg Articles - Helicopter Trip to Mt. St. Helens On the way up the Toutle River, we cross a recently built sediment dam. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189196792-FXOFXYW33K6S6UHM3F6Y/Mt+St+Helens+lahar+view.jpg Articles - Helicopter Trip to Mt. St. Helens Flying up the river we see that the most recent lahar passes through and has eroded past lahars. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189197975-SZ6713K9W3EC3MOYKNJL/Mt+St+Helens+Spirit+Lake+penninsula.jpg Articles - Helicopter Trip to Mt. St. Helens Up at Spirit Lake we can see how high the lake sloshed up on this protruding peninsula. The landslide which initiated the eruption in 1980 was soon overtaken by the lateral pyroclastic blast, which leveled the trees on the peninsula before the landslide hit the lake. The sloshing dislodged the flattened trees and those are the logs you see floating in the lake today. So, the areas on the peninsula not covered with logs are where the lake sloshed. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189198051-27UJHDHAQ7PGD0UT739J/Mt+St+Helens+landslide+material.jpg Articles - Helicopter Trip to Mt. St. Helens Looking up towards the mountain from Spirit Lake, one sees the landslide material which initiated the 1980 eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189198958-9VPMXOUJYXQJSCH82EL4/Mt+St+Helens+structure.jpg Articles - Helicopter Trip to Mt. St. Helens Streams have made deep cuts in the Mt. St. Helens landslide. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189199040-0LEZIESU8M7L8Q7F77O5/Mt+St+Helens+hydrothermal.jpg Articles - Helicopter Trip to Mt. St. Helens Cross sections through the structure of the mountain can be glimpsed from the helicopter. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510190190403-5WXV8EHGDQAN9AY62BNA/Mt+St+Helens+hydro+actually.jpg Articles - Helicopter Trip to Mt. St. Helens Cross sections reveal hydrothermal alteration in the rocks. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189200132-JJRSCUXY25KE55A8TZVY/Mt+St+Helens+glacier.jpg Articles - Helicopter Trip to Mt. St. Helens The glacier in the crater is sandwiched between the central cone, left, and the wall of the crater, right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189200450-9GVJRANAQQXBYQA8MBBO/Mt+St+Helens+recent+lahar+surface.jpg Articles - Helicopter Trip to Mt. St. Helens Recent lahar surface shows progress of growth and channel working that have been happening since the 1980 eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189200777-VJ4GK9KUQU3M4RRXF49K/Mt-St-Helens-group-photo-edit.jpg Articles - Helicopter Trip to Mt. St. Helens The GSOC field trip group poses with pilot Robert. Left to right are Steve Haar, Cecily Cedilote, Sheila Alfsen, pilot Robert, kneeling, Charles Montross, Anne Oneill, kneeling, Carol Hasenberg, Yumei Wang. Bo Nonn also participated in the trip. https://www.gsoc.org/news/2017/11/8/high-school-teacher-emphasizes-the-scientific-method-in-his-geoscience-class monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510347907642-5A5KT23SYBISKJ43ATSD/Aristotle-earth-centered-universe.jpg Articles - High School Teacher Emphasizes the Scientific Method in his Geoscience Class Aristotle’s Earth-Centered Solar System Model (above) vs. Copernicus’ Heliocentric Solar System Model (below). Illustrations from www.bluffton.edu. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510352425993-NGKMMZQB9DJ9WY2PPJK6/Copernicus-universe.jpg Articles - High School Teacher Emphasizes the Scientific Method in his Geoscience Class https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510352641289-NGNWG3MGD22LA3RVDA6W/Upper+and+Lower+Table+Rock.png Articles - High School Teacher Emphasizes the Scientific Method in his Geoscience Class The topography of Table Rocks near Medford, Oregon . Created by ZabMilenko using Fireworks MX 2004, and information from the USGS National Map Seamless Server. https://www.gsoc.org/news/2017/8/31/welcome-new-members monthly 0.5 2017-11-09 https://www.gsoc.org/news/2017/7/5/board-meeting-notes-oct-2017 monthly 0.5 2017-11-15 https://www.gsoc.org/news/2017/8/21/the-great-eclipse-camp-out monthly 0.5 2017-11-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504141771837-0A2PYXNNW03UVSXTR08V/Group-photo-2017-eclipse-trip-edit.jpg Articles - The Great Eclipse Camp-Out The best group picture of the weekend was taken at Lost Lake. Participants left to right are Jamie Meinecke, Taka Matsuda, Bailey Faber, Ken Severin, Dawn Juliano, Clay Kelleher, Cecily Cedilote, Barbara Fischer Smoody, Steve Haar, Charles Montross, Mark Anderson, Julia Lanning, Bill Stein, Susan Cole, Carol Hasenberg with her dogs Lucy and Trinity, Serena Skaates, Rik Smoody, Henry Rosales, Larry Jordan. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504141534151-5WJA1LYOPAA09LJ715Q8/2017-eclipse-Barbara-Smoody-edit.jpg Articles - The Great Eclipse Camp-Out GSOC First Lady Barbara Smoody demos one use of the spigot setup. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504141670226-BROMIGZOQLQHHSZPJMEI/2017-eclipse-Detroit-Dam-geologic-map.jpg Articles - The Great Eclipse Camp-Out https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504146729942-EIVAL4GFZVRDYXI1Q1A3/2017-eclipse-Lost-Lake-edit.jpg Articles - The Great Eclipse Camp-Out GSOC member Charlie Montross observes water draining from Lost Lake. Note the hazy background created by the forest fires in the Mt. Jefferson area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504146800557-GESPI81PDSWALALZ1B4A/2017-eclipse-panorama-edit.jpg Articles - The Great Eclipse Camp-Out GSOC members Charlie, Julia, and Mark perform a little hocus pocus in the taking of this panorama shot at Little Nash Crater. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504146918000-BFY0MHIUKCRGRBLXNIX4/2017-eclipse-watchers-edit.jpg Articles - The Great Eclipse Camp-Out GSOCers view the partial phase of the eclipse through glasses. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504146963382-CXE3RAIT417GVL82XX28/image-asset.jpeg Articles - The Great Eclipse Camp-Out The colander camera obscura. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504132467100-I34ZUG4JV3GX471DP4OS/2017+eclipse+totality+Montross.jpg Articles - The Great Eclipse Camp-Out Dazzling photo of the August 21, 2017 total solar eclipse by GSOC field trip participant and member Charles Montross. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504147007825-RASKBAYIJ7KG58WHK974/2017+eclipse+diamond+ring+Montross.jpg Articles - The Great Eclipse Camp-Out Another fine shot of the eclipse by Charles Montross. https://www.gsoc.org/news/2017/8/30/future-solar-eclipses-in-oregon monthly 0.5 2017-08-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504148266448-V2SWMOLSDNR07Z8OKZZM/future+eclipse+map.jpg Articles - Future Solar Eclipses in Oregon https://www.gsoc.org/news/2017/7/5/new-info-on-the-origin-of-bimodal-volcanism-on-oregons-high-lava-plains monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1499273263434-1Q9F82X1SZHS8WUQ7LUY/image-asset.jpeg Articles - New Info on the Origin of Bimodal Volcanism on Oregon’s High Lava Plains Volcanism illustration used in the lecture. Recent basalts are shown in a darker blue, and recent rhyolites in red. Older outcrops are faded in color. Miocene flood basalts are light blue. The browns are the andesite lavas mostly found in the Cascade Range. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1499273457492-UYS6OC87K2EH8W1AO7FS/subducting+slab.jpg Articles - New Info on the Origin of Bimodal Volcanism on Oregon’s High Lava Plains Schematic models (nearly to scale and with approximately no vertical exaggeration) of the processes that drive mantle upwelling and counterflow as a result of the subducting Cascadia slab. Plate motions are shown with black arrows and mantle flow with red arrows. Red triangles are the current day locations of Cascade volcanoes and the Cascades, HLP, and NWBR physiographic provinces are outlined (Figure 1). The position of the trench and transform faults (red dotted line) are also shown. (a) Limited corner flow associated with downdip motion only, before trench rollback commenced. (b) Slab rollback initiates a much stronger mantle flow as North America continues to advance on the trench. (c) The addition of slab steepening due to the southern edge of the slab being unsupported can further enhances this flow, which is concentrated under the HLP. Differing extensional rates in the continental slab (crustal factors) may also play a role in the volcanic expression. The current geometry of the Cascadia slab is shown in orange. (d) Simplified version of Figure 7c showing the current Cascadia slab only. Angles given are approximate and taken from McCrory et al. [2012] and Roth et al. [2008] and the slab steepens markedly at the volcanic front (∼100 km depth) [Pavlis et al. 2012]. From: Bimodal volcanism of the High Lava Plains and Northwestern Basin and Range of Oregon: Distribution and tectonic implications of age‐progressive rhyolites from Geochemistry, Geophysics, Geosystems Volume 14, Issue 8, pages 2836-2857, 8 AUG 2013. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1499274166638-USPXB2K0OS5X6HQ5L9LP/crust+model.jpg Articles - New Info on the Origin of Bimodal Volcanism on Oregon’s High Lava Plains Illustration of crust model used in the lecture. Numbers shown in the crustal layers are the specific gravity found therein. https://www.gsoc.org/news/2017/7/4/thomas-condons-fossils monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1499197732492-CYQ4ONPO0HGCKXOR7QXX/image-asset.jpeg Articles - Thomas Condon's Fossil Collection Thomas Condon with his pals Dr. Bill Orr (left) and GSOC President Rik Smoody (right). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1499198206963-C1ZEWIWRGBL2SYJACZWW/crinoid+stems.jpg Articles - Thomas Condon's Fossil Collection Crinoid stem section from the British Geological Survey website. This site has some very good fossil descriptions. In the Middle Ages in England these fossils were given names based on their shapes from St. Cuthbert’s beads to fairy money. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1499198377172-D6T2SU3H8JV63V90EAHS/Eocene+clam.jpg Articles - Thomas Condon's Fossil Collection Thick shelled clam from the Eocene that delineated the shoreline of ancient Oregon. From “Fossil Localities of the Eugene Area, Oregon,” by Margaret L. Steere, Published in the Ore Bin, Volume 20, Number 6, June 1958. This publication is available online on the DOGAMI website. https://www.gsoc.org/news/2017/7/5/welcome-new-members monthly 0.5 2017-07-05 https://www.gsoc.org/news/2017/7/5/board-meeting-notes-may-2017revised monthly 0.5 2017-11-15 https://www.gsoc.org/news/2017/5/1/climbing-cascade-geology monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493671816097-DEK5DOVRGR7RPWTETXHF/image-14.png Articles - Climbing Through Cascades Geology Nonn demos his bona fides. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493671892999-LAF6TUONA9Y8EHGRZQ2D/image-asset.jpeg Articles - Climbing Through Cascades Geology Pacific Northwest Peaks https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493674274041-ID85ROOWKWFVU7HJXXYS/image-asset.png Articles - Climbing Through Cascades Geology Mt. Hood — Bergschrund (crevasse) up the Cloud Cap route. All the photos from this article are by Bo Nonn. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493674332564-GRZ6I4CH76O5MHX37DOB/image-asset.png Articles - Climbing Through Cascades Geology Mt. Hood — hot areas near Crater Rock https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493674668400-A4ZP7LJZ5NCUFLDW8815/image-asset.jpeg Articles - Climbing Through Cascades Geology Mt Hood — vent at Cloud Cap. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493675318644-CHEWGVJ4F5JY3E0VACPV/image-68.png Articles - Climbing Through Cascades Geology Mt. Adams — top is overlapping craters. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493674886651-9HVH2MCP1ALB035GZ1JH/ADAMS+N+RIDGE-88.png Articles - Climbing Through Cascades Geology Mt. Adams — climbing the north side. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493675705465-FMNJI3P8WFAFVXYDHRK4/image-asset.jpeg Articles - Climbing Through Cascades Geology Mt. St. Helens — view to top in 1979 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493675835984-AJW8BPZ3TSPTE6GFEX7A/image-asset.jpeg Articles - Climbing Through Cascades Geology Mt. St. Helens — Rhyolite erupting out of the dome vent in 2006 “whaleback” FormS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493677461363-9VYKPN1DW5HJJXCZY4ZA/image-asset.png Articles - Climbing Through Cascades Geology Mt. Jefferson https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493676728287-JQAJ3RNRPFQL4Y8JL5FE/image-asset.jpeg Articles - Climbing Through Cascades Geology Three Finger Jack, Mt. Washington, and Mt. Thielsen https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493677586457-3OI2C6DAJLJGFFQRU9CI/image-asset.jpeg Articles - Climbing Through Cascades Geology Youthful South Sister. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493677665240-95K65OMLXCJS0PM8JGW1/image-asset.png Articles - Climbing Through Cascades Geology Middle Sister with climbing route marked. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493677942620-Q3QYYOMN2OG5M9MI3171/image-asset.png Articles - Climbing Through Cascades Geology Climbing scary North Sister. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493678062909-XO6PQIT2WFFZN3N2GFWB/image-asset.png Articles - Climbing Through Cascades Geology Mt. McLoughlin https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493678165838-FQUM26IXVJTILF2FC8BL/image-asset.png Articles - Climbing Through Cascades Geology Mt. Shasta — view from the freeway. Shastina is the peak on the right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493678297151-8DN6I5OEGSY6YK4D6U0K/image-asset.png Articles - Climbing Through Cascades Geology Lassen Peak https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493678632674-K2OZ00HP3Y80QIPQEBA4/image-asset.jpeg Articles - Climbing Through Cascades Geology Nonn’s favorite route is up the Emmons Glacier https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493678462889-HEQNMWN19IKVH114M4QO/image-asset.png Articles - Climbing Through Cascades Geology Mt. Rainier — Hydrothermally altered rocks can fail, creating massive debris flows that can endanger nearby populations. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493678822674-ADX1Y7I9Q2XGPHKSDLQZ/image-asset.png Articles - Climbing Through Cascades Geology Glacier Peak. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493679320308-5CJX1HVWFRRQ8D9TXIPT/image-290.png Articles - Climbing Through Cascades Geology Mt. Baker — Active Sherman Crater https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1493679046963-99WFPF60SRY2B0EN9L1P/image-asset.png Articles - Climbing Through Cascades Geology Mt. 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Construction site on the way to Marsh Hill. Photo by Sheila Alfsen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1472714004174-B53ZPHQGJIPCV223HTDV/Sheila+horizontal+drilling.jpg Articles - Paleontologist to the Rescue! Horizontal drilling under the dairy. Photo by Sheila Alfsen https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1472714099233-YK8KJKNYNDZ5KTROS3YG/image-asset.jpeg Articles - Paleontologist to the Rescue! Don’t run over the tortoise! Photo by Sheila Alfsen. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1472714162663-5GE0OQ42DOJLHLOF9C54/image-asset.jpeg Articles - Paleontologist to the Rescue! Stabilizing dinosaur remains. Photo by Sheila Alfsen. https://www.gsoc.org/news/2016/9/1/board-meeting-notes monthly 0.5 2016-11-03 https://www.gsoc.org/news/2016/9/1/many-great-activities-at-annual-picnic monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1472715324281-7WU0XBC74XYJCYVCHCN9/image-asset.jpeg Articles - Fossil and Erratic Sites Discovered on Our Annual Picnic https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1472715351853-B0RHWG9OZ38TNAYGYQIX/image-asset.jpeg Articles - Fossil and Erratic Sites Discovered on Our Annual Picnic https://www.gsoc.org/news/2016/7/12/lagersttten monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468315981411-61GFLN0X0SRSIMWWQSVH/image-asset.jpeg Articles - Lagerstätten! Unidentified bird species from the Fossil Butte Member in southwestern Wyoming (Green River Shale), USA, Field Museum of Natural History, Chicago, Illinois, by Matt Mechtley from Tempe, Arizona. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468316243982-IND723E5M51ZMRLH2GH3/image-asset.jpeg Articles - Lagerstätten! La Brea Smilodon fatalis (saber tooth tiger) skull cast with jaws at maximum gape, photo by Bone Clones. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468316409018-DF5FTLXS18XNULY5HOYV/Lagerstatten+short+faced+bear.jpg Articles - Lagerstätten! Arctodus simus (short faced bear) reconstruction, photo by Dantheman9758, June 26, 2007. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468316664647-XF0XBBCGNUJW8G5U8RN5/image-asset.jpeg Articles - Lagerstätten! Fossil of typical Ediacaran fossil Kimberella quadrata, photo by Aleksey Nagovitsyn, February 27, 2009. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468316869436-HY8YVANCKJRHA9ADUVPX/image-asset.jpeg Articles - Lagerstätten! Fossil of freshwater stingray, Heliobatis radians, from Fossil-Lake, Kemmerer, Wyoming, is a Green River Shale fossil, photo by Didier Descouens. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468317056940-88L0DKWKP0MHKVL4MTTM/image-asset.jpeg Articles - Lagerstätten! Fossil jewel beetle from Messel Pit, still showing color of the exoskeleton, photo by Torsten Wappler, Hessisches Landesmuseum Darmstadt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468316937605-AQHC19N2SW421YD59ESK/image-asset.png Articles - Lagerstätten! The first complete Anomalocaris fossil found from the Burgess Shale, photo by Keith Schengili-Roberts. https://www.gsoc.org/news/2016/7/12/welcome-new-members monthly 0.5 2016-07-12 https://www.gsoc.org/news/2016/5/25/association-for-women-geoscientists-spring-social monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1464243631047-J5AJZ0Y1MVLTFMMJ5PA6/image-asset.jpeg Articles - Association for Women Geoscientists Spring Social https://www.gsoc.org/news/2016/4/29/are-we-there-yet monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1461921135610-HAM40WT1CL0RWABWW62Z/image-asset.jpeg Articles - Are We There Yet? Photo of Oden by Laurence Dyke, https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1461921621304-0IXP59IZ9G81C2SY54D6/Mix+Greenland.jpg Articles - Are We There Yet? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1461921718745-7AQT2RSPXHD7UDUFU72B/image-asset.jpeg Articles - Are We There Yet? Figure SPM.7a Multi-model simulated time series from 1950 to 2100 for change in global annual mean surface temperature relative to 1986–2005, adapted from IPCC, 2013: Summary for Policymakers. In: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Stocker, T.F., D. Qin, G.-K. Plattner, M. Tignor, S.K. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1461921769922-8J2USX1BC7TF023ZH2SH/image-asset.jpeg Articles - Are We There Yet? Photo by NASA of the 2010 calving event at Petermann Glacier. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1461922064199-HSTDIRTCLFG1MJ689Q47/image-asset.jpeg Articles - Are We There Yet? Boulder team sampling its wares. From “Boulder Sampling Alongside Petermann Glacier; camping logistics and lateral moraines,” article posted on Petermann’s Glacial History website by Elizabeth Ceperley and Melissa Reusche of University of Wisconsin, Madison. https://www.gsoc.org/news/2016/4/29/board-meeting-notes monthly 0.5 2016-05-05 https://www.gsoc.org/news/2016/4/29/welcome-new-members monthly 0.5 2016-04-30 https://www.gsoc.org/news/2016/3/3/paleoseismicity-research-from-trench-to-earthquake-hazard-map monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1456995856796-X0QH6FVXS6547P6TKV95/image-asset.png Articles - Paleoseismicity Research: From Trench to Earthquake Hazard Map https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1456995909072-LFEL19W7ZPB2BVG3FYUZ/image-asset.jpeg Articles - Paleoseismicity Research: From Trench to Earthquake Hazard Map https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1457332858974-0OHYBFGXZXE5WF3WTNX1/image-asset.jpeg Articles - Paleoseismicity Research: From Trench to Earthquake Hazard Map https://www.gsoc.org/news/2016/3/3/board-meeting-notes monthly 0.5 2016-03-03 https://www.gsoc.org/news/2016/3/3/founding-father-of-geology-steno monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1456994480618-6C15SQ0MQP8SCYF8KMRT/image-asset.jpeg Articles - Founding Father of Geology: Steno Nicolaus Steno: Biography and Original Papers of a 17th Century Scientist. Editors: Kardel, Troels, Maquet, Paul. “By far the most exhaustive biography of Niels Stensen "Nicolaus Steno", anatomist, geologist and bishop” https://www.gsoc.org/news/2016/3/3/welcome-new-members monthly 0.5 2016-03-03 https://www.gsoc.org/news/2016/2/1/in-memory-of-dr-john-whitmer-1923-2016 monthly 0.5 2016-03-03 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1456993662724-6H5E5SO454L7N9VDGYQJ/image-asset.png Articles - In Memory of Dr. John Whitmer, 1923-2016 Photo from the 2002 Memorial Day GSOC trip to Wenatchee, led by John Whitmer. Articles about the trip can be read in the July and August 2002 editions of the Geological Newsletter. https://www.gsoc.org/news/2015/12/30/cookie-dough-jelly-sandwiches-and-structural-geology-a-beginners-guide monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1451539957902-1LY7EP0L6N9KIPTYZEED/image-asset.png Articles - Cookie Dough, Jelly Sandwiches, and Structural Geology: A Beginner’s Guide https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1451540111619-FBPLZQEACSR0TZ5Q0GW2/image-asset.png Articles - Cookie Dough, Jelly Sandwiches, and Structural Geology: A Beginner’s Guide https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1451540322400-ZPAUSFQDY31VPJ7VTHHX/image-asset.png Articles - Cookie Dough, Jelly Sandwiches, and Structural Geology: A Beginner’s Guide The "Jelly Sandwich" example. https://www.gsoc.org/news/2015/12/31/welcome-new-members monthly 0.5 2015-12-31 https://www.gsoc.org/news/2015/12/31/nominating-committee-results monthly 0.5 2015-12-31 https://www.gsoc.org/news/2015/12/31/board-meeting-notes monthly 0.5 2016-01-05 https://www.gsoc.org/news/2015/10/25/traveling-oregons-geologic-highways-and-byways-with-dr-marli-miller monthly 0.5 2019-01-31 https://www.gsoc.org/news/2015/10/25/board-meeting-notes-october-2015 monthly 0.5 2015-10-26 https://www.gsoc.org/news/2015/10/8/gsoc-partners-with-northwest-energy-association monthly 0.5 2018-02-18 https://www.gsoc.org/news/2015/9/10/the-non-shrinking-bellevue-erratic-then-and-now monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441922542586-ZGQKBDYNQ4HU6PWPPANB/image-asset.jpeg Articles - The (non-shrinking) Bellevue Erratic: Then and Now https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441922501665-P1DUX78NWJU0BO7SP0HR/image-asset.jpeg Articles - The (non-shrinking) Bellevue Erratic: Then and Now https://www.gsoc.org/news/2015/9/10/board-meeting-notes-august-2nd-2015 monthly 0.5 2015-09-10 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441921237167-KBLU03ZIDW7DFO47JQLH/image-asset.jpeg Articles - Board Meeting Notes, August 2nd, 2015 https://www.gsoc.org/news/2015/9/10/in-memorium monthly 0.5 2015-09-10 https://www.gsoc.org/news/2015/8/13/janets-journal-mt-hood monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439701343365-YBAZGC83M90F7F0343HH/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Panorama Point Overlook https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439701612947-01RVBTM0NWKZDC8UL3AT/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439704096528-ODYINJN49SIA0F31ZO7Q/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Lahar Sediments https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439701540929-XY9AK3W3QKH4IN4NDH6M/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Author Janet Rusmussen https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439523204853-X0YRO08MOFDSGOHD468O/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Middle Fork Hood River Bridge debris flow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439523352754-MYNWZNTWRJFELUMMH9JN/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Trip leaders Larry Purchase and Bo Nonn. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439523315625-9GFDCSSUX844DX7MCI2S/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Julia Lanning snapped this photo of the group, all eager to learn more about Portland's closest active volcano https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439718357609-BS2VBU2VS0FYA9BSB8FM/image-asset.png Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Julia gets her shot. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439712538475-GZZVP0EYV8M1L319ZE9Q/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Picturesque scrapyard (photo Julia) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439709374678-4C1WQIACQVMGPG04I0VZ/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Parkdale Lava Flow - Google Earth Image https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439523479290-JT86VNWIEWB9EVICE9DA/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Parkdale Lava flow rises more than 300 feet above the surrounding country. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439523616069-8GXA5I1BEZEMC2F36ALB/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439523675886-DGPDH4M7D90QW0B05V9D/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524060036-OF1AC4DBODU6L235L2GJ/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip A group photo of everyone but me, since I was taking the picture. Aren't they a handsome group? (Left to right seated: Larry, Mark, Julia, Paul, Dawn; standing: Doug, Ellen & Bo, Dennis, Rebekah & Eric.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524243452-YWEDYCZL5A2BXDDB6AQJ/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip In 2011, the Tilly Jane Fire burned very close to our campground and to Cloud Cap Inn. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524170270-91EY37GWCP9ZUMET2VAO/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Fracture pattern mystery https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524363061-1O413U6U702NA0BU6TL0/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Campground https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524415419-9M967XFH86YN1U2MCRTA/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524698059-MN7RIG60D11X5JDSB0SC/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439712276011-5XYOVI4DH66T4F9P127A/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Ellen Nonn https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439524736523-NJC6C25VKC81GSCKWB8N/dougjanetmthood.jpg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Doug and Janet on the hike. What a beautiful day! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525051155-COIZJJ7HLG9J25B13IA6/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525101740-1JLQXZWAY3TL26B6GHR8/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip A large block of swirly vesicular rock rests near the bottom of the hill. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525139892-VYGG0FIHDH0ESBVT8903/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip To the north, we could see Mount St. Helens. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525190968-N9EFI4GB0W7OIXLRG261/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525222167-J3MWH2OKC5SBZP7H69FY/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439719697850-FQKWOPCQ8ACQYNBKGVFZ/image-asset.png Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525279621-CXWKEU0QLYKXGS3NTZFC/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Larry in the dining area of the Inn, full of memorabilia going back over 100 years. Right now a group called the Crag Rats maintain the Inn. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525327514-MNRP77I1LB9EWTVXVTWF/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip I took photos of photos. This one was scary! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525358852-6ACZ3KH5J89KU8UFCK3E/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip The Inn has a long hallway, from which are many rooms with bunk beds for the mountain climbing-skiing enthusiasts. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439525396341-LCMEQ00LPL0P110DKJ16/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip It looks like when the door hardware failed it was replaced but not removed. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526424943-WQBQQRHG85KEWXX8HODI/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip The front windows, with many small panes, still held the old wavy glass. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526274470-UTEJN8OJZYTBGS50E6Y6/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526315112-NFAO5GQDZHPA7NQHNGQW/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip This photo shows the gracious living achievable in the early days of the Inn. I could sit around reading in this environment! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526403243-DNJEKS3UV8XC719S3LR5/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip A ranger pointed out the signatures written in pencil on some of the walls. I wouldn't have seen them, but my flash picked them up. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526356676-JM5SJ9LSKNFE7G80GWH7/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526448227-Z85VCSGTY39IQQXJGY1I/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip Later, we took another short hike past some of the cottages which can be rented near Cloud Cap. Isn't this one charming? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526485178-RKJUM9OYVRHGSBRHY7Y8/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip An A-Frame crowded with trees that have grown too big. Some are flagged to be taken out. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526535543-4SO2L86JA7G0SKCTZZWC/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526571951-68BUWOP8IHAUPFS0G1SG/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526595749-6CJK96DIC0G45M7AWMI3/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526631205-59X70S2NI380Z8H6WCX5/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526693393-L88VGZTQZ8TSBQ9VW59D/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526722283-2XMHH5SNUWCX6UZQC9Z1/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526747107-WVTA81Z6Y2JV31ZI67WY/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1439526795621-9BYNI3OZPB7WY9K1SBKN/image-asset.jpeg Articles - Janet's Journal: GSOC Mount Hood and Eliot Glacier Field Trip https://www.gsoc.org/news/2015/7/28/mt-hood-field-trip monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1438096342139-GH3RCEX35DESD28V4IJN/image-asset.jpeg Articles - Mt. Hood field trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1438096186298-P3V30A2I15ZRF75FXL6R/image-asset.jpeg Articles - Mt. Hood field trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1438096241320-R5XJSSAX9R90P10U28H0/image-asset.jpeg Articles - Mt. Hood field trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1438096391866-UNPG5VYAFC72V0VKS6AQ/image-asset.jpeg Articles - Mt. Hood field trip Photos: Julia Lanning https://www.gsoc.org/news/2015/7/3/women-in-geology-margaret-steere monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435910012493-SR74YK2GFF0HPL1S88R6/image-asset.jpeg Articles - Women in Geology: Margaret Steere https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435910047917-K17OA8ID1I6V0S05AGEZ/image-asset.jpeg Articles - Women in Geology: Margaret Steere https://www.gsoc.org/news/2015/6/27/president-janets-southeast-oregon-scouting-trip-take-two monthly 0.5 2015-07-03 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435439440813-Q0H780AF73K2CWILX1M3/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Jan Kessler https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435439819782-567VZCINHDMGM0PN2W3I/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image This is the nicest piece of obsidian Jan found. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435440145188-QC3YMGPRUK0UP4DXPEYY/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image kiger mustangs at BLM Wild Horses https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435440563932-PF0NQ4JZJ5NRHR5UYIPH/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image buena vista overlook - malheur national wildlife refuge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435440735909-HJCBNYUNP775KTVUB4Q8/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image hotel diamond https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435440881087-IFR3AVXSJWKLW66IVF7Y/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image cinder cone at diamond craters https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435440996720-MIDN68S3BQEC4LLRDRGC/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image maars crater (created by Underwater volcanic stream eruption) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435441693865-E7JQ0F4ZEIEUX66M953W/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image juniper at crest of hill https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435441963305-56XG5WEEX129G8LQH9UN/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image collapsed crater just off main road https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435442672063-IL9BH86EC623CVXBT8SP/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image overlapping lava flows with black western fence lizards https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435442740364-V4NFC2D7KID9AXWY0213/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435442766471-4GBQWY3YLYP7AXHZ778R/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435442796661-7FRPD2KHIAC6SS7EL4OM/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image jan at center of mima mound https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443041155-ITJVSTVZ9UVWJJWVEBSD/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Clarkia pulchella https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443092182-1Y0Q745BS7QSUCZA3HZM/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image mesas capped by 9.7 mya devine canyon ash-flow tuff https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443162294-VSC9GNQHDU9VWKBHRWVY/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image catlow caves https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443264570-14WXG756PDGSWPVZ8UFU/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image domingo pass https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443308744-VSMJUQV7MENQKDKSGPT2/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image unusual fracture pattern in steens basalt outcrop https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443352552-LRD1TATMGD90CZDYVW6E/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image So Many flowers in bloom up here! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443450532-LSHJBYEU15E98N7ZH4QH/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Balsamroot and Lupine https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443502664-64MTWB67ARDKUNEHQ9O3/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Orange paintbrush and lupine https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435446730889-B2DEWSBGX3PG902IAAIN/image-asset.png Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Buckwheat https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435446609223-YRM1K82HAIKMHDWIOEDW/image-asset.png Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Bitterroot was blooming everywhere on the summit of the Pueblo Mountains. Such a rare treat to see! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443619524-VVQWS9ZTQVZ4548QRMUW/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image When we drove down to the "opal diggings", we saw what I think is purple sage. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443662725-ZYL27GXQFZ24C1N79R0H/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image horned lizard phrynosoma platyrhinos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443750328-UGTRUE0VB1SSRK6A29ML/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image opal vein in situ 1/2" thick https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443801130-RVYFKTAWX7Q2DY281TE9/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image One of Jan's finds https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435443872634-3Q70I00W2QMAWW0VZAA7/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image A bit of Steen's Basalt found in the Pueblo Mountains https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435446830574-QO0L0M6K56A2WM65YA4R/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image ROOSTING BIRDS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435446876064-RQ0I7GGDE0ASY6SM58V1/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image BORAX LAKE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435446942868-ETCOGLWQWQXSD7DOF92W/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435447062028-WWED0JXDA31RR4Y218Y0/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image FAINT TRACKS THROUGH SAGEBRUSH FLATS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435447232678-KJH0CTLN0J1ETGL3M7U6/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image Mammatocumulus Cloud Formations https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435447114965-B556VAG4Z4ODMHM57X6C/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image This dust devil looked like a very thin tornado https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435447367231-5VKBVHCPUMQCQVOL0UJ8/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image ALVORD HOT SPRINGS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435447424824-ELEGAIKAZ0XVDVMHK3AH/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image MICKEY HOT SPRINGS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435447508729-FO5MCGR62HH4BSOC1JYH/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image One of the mud pots had these tiny mud volcanoes within (a couple inches across.) 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Many were motile. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435448509072-XRWIEM5RWW81NQ3EWXLV/image-asset.jpeg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image wo strands of algae (?) that seemed to move about, but maybe were just floating in the thin lens of water on the slide. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435448559626-2GKM7GP2Q5JS5EG4FDF4/46sunset.jpg Articles - Jan and Janet Discover Mima Mounds from Google Earth Image https://www.gsoc.org/news/2015/7/3/board-meeting-notes monthly 0.5 2015-07-04 https://www.gsoc.org/news/2015/7/3/meteorite-findings-and-greatest-hits monthly 0.5 2018-02-18 https://www.gsoc.org/news/2015/5/5/paleoclimatology-in-the-andes-mountains monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1431897820624-2JSKKF97HVCZBM7DUGGC/image-asset.gif Articles - Synopsis of Dr. John Bershaw's GSOC Friday Night Lecture, April 10, 2015 Isotopic values from serial samples along the length of Oligocene Pyrotherium macfaddeni tusk (26.2 Ma) from Salla. Variation in δ18O suggests seasonality of surface water and rainfall over the time of tooth mineralization. https://www.gsoc.org/news/2015/4/28/shaping-the-tectonic-world-view monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1430892706891-6U5CLWPTD4SQSKXPC29O/image-asset.jpeg Articles - Synopsis of the 80th GSOC Annual Banquet with speaker Dr. Tanya Atwater, University of California Santa Barbara https://www.gsoc.org/news/2015/4/23/board-meeting-notes monthly 0.5 2015-05-06 https://www.gsoc.org/news/2015/3/16/when-the-plate-tectonic-revolution-met-western-north-america-the-lure-of-science-and-the-oddness-of-being-female monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1426541817189-IPTR1DSKQTZ3513Q6824/image-asset.jpeg Articles - When the Plate Tectonic Revolution Met Western North America: the Lure of Science and the Oddness of being Female https://www.gsoc.org/news/2015/3/2/welcome-new-members monthly 0.5 2015-03-07 https://www.gsoc.org/news/2015/3/7/meet-the-2015-board-members monthly 0.5 2015-03-07 https://www.gsoc.org/news/2015/3/2/mt-lassen-a-geological-must-see monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1425758101941-1N3YLKPHXVVYA6H324CJ/Dacite+Spines.png Articles - Mt. 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(Photo courtesy Delano Photographics) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424368598645-QDU1T80DG10WEGGZ5VA7/image-asset.jpeg Articles - Charter GSOC member Lon Hancock was first to discover vertebrate fossils in the Oregon's Clarno Formation hancock home museum https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424378603846-25XVOLBIA0P4PJW7RCK9/camp-detail.jpg Articles - Charter GSOC member Lon Hancock was first to discover vertebrate fossils in the Oregon's Clarno Formation Camp Hancock in its early days. (Photo courtesy Ed Bushby) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424376602559-XET83TJ3E52B79UD0DRN/image-asset.jpeg Articles - Charter GSOC member Lon Hancock was first to discover vertebrate fossils in the Oregon's Clarno Formation https://www.gsoc.org/news/2015/3/12/two-generations-of-geesockers monthly 0.5 2018-02-18 https://www.gsoc.org/news/2015/2/4/evolutionary-flight-paths-dr-orr-there-were-many monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423072084965-QI2MR3ZWUGXGD5MNWR1A/http%3A%2F%2Fwww.pnas.org%2Fcontent%2F104%2F13%2F5507%2FF1.expansion.html Articles - Evolutionary Flight Paths (Dr Orr: "There were many") Cretaceous Xianglong "Flying Dragon" could glide using oversized ribs. https://www.gsoc.org/news/2015/1/6/rhyolites-in-eastern-oregon-crbs-the-yellowstone-hot-spot monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1420540440943-HFYZEGBNCEX8K56NE1BR/image-asset.jpeg Articles - Rhyolites, CRBs & the Yellowstone Hot Spot — Research by Dr. Martin Streck https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1420540546643-0VKZPZNMZZVTNAD4MVYL/image-asset.jpeg Articles - Rhyolites, CRBs & the Yellowstone Hot Spot — Research by Dr. Martin Streck https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1420540602449-531FKQ1T1ATTF3WLA7CF/image-asset.jpeg Articles - Rhyolites, CRBs & the Yellowstone Hot Spot — Research by Dr. Martin Streck https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1420540692068-8YMF02RNZ1IVFGF6THXT/image-asset.jpeg Articles - Rhyolites, CRBs & the Yellowstone Hot Spot — Research by Dr. Martin Streck https://www.gsoc.org/news/2015/1/5/news-of-the-geological-society-january-february monthly 0.5 2015-01-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1420522559194-TY5BG2XHIW8KHEISXFWT/image-asset.jpeg Articles - News of the Geological Society January - February https://www.gsoc.org/news/2015/1/6/nomination-committee-results monthly 0.5 2015-01-07 https://www.gsoc.org/news/2015/1/5/board-meeting-notes monthly 0.5 2015-01-06 https://www.gsoc.org/news/2014/12/12/chris-carvalhos-killer-vegan-guacamole monthly 0.5 2014-12-12 https://www.gsoc.org/news/2014/11/28/riks-gsoc-gooey-seedy-oatmeal-cookies-recipe monthly 0.5 2014-11-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1417188771471-YNWEK0U2W3LNJGAIAUND/image-asset.jpeg Articles - Rik's G.S.O.C. 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Idaho Geological Survey Lewiston Basin field trip guide is now available. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1412698248997-XDNEWSKINFE1CIGVR3BR/IGS_S-14-2_Page_15_Image_0002.jpg Articles - Want more details on last spring's Snake River trip? Idaho Geological Survey Lewiston Basin field trip guide is now available. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1412698249464-IC9E3OWPTTUKJL7832WB/IGS_S-14-2_Page_07_Image_0002.jpg Articles - Want more details on last spring's Snake River trip? Idaho Geological Survey Lewiston Basin field trip guide is now available. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1412698249553-SNQMG61J4REFA8KKM242/IGS_S-14-2_Page_08_Image_0002.jpg Articles - Want more details on last spring's Snake River trip? Idaho Geological Survey Lewiston Basin field trip guide is now available. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1412698249858-5NVR4UDM20F72TI8Y9DQ/IGS_S-14-2_Page_09_Image_0002.jpg Articles - Want more details on last spring's Snake River trip? Idaho Geological Survey Lewiston Basin field trip guide is now available. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1412698249813-P8NP71C0AZY0VV8BEPKV/IGS_S-14-2_Page_09_Image_0004.jpg Articles - Want more details on last spring's Snake River trip? Idaho Geological Survey Lewiston Basin field trip guide is now available. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1412698250101-JHZYM5JGGT14JZZ0N10E/IGS_S-14-2_Page_10_Image_0002.jpg Articles - Want more details on last spring's Snake River trip? 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All 79 years are now online! - 1961 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408094040906-QIITNQKDNDJG7TX3NTAE/Pages+from+1962+NEWSLETTERS.jpg Articles - All 79 years are now online! - 1962 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408100449036-TB4OZYEITN3AMLJTY4MK/Pages+from+1963+NEWSLETTERS.jpg Articles - All 79 years are now online! - 1963 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408100448350-YVIO0QSL8AIQ0EWNHACP/Pages+from+1964+NEWSLETTERS.jpg Articles - All 79 years are now online! - 1964 https://www.gsoc.org/news/2014/7/3/lusi-mud-eruption-natural-or-man-made-disaster monthly 0.5 2018-02-18 https://www.gsoc.org/news/2014/7/3/narg-trip-to-wallowa-mountain monthly 0.5 2014-07-03 https://www.gsoc.org/news/2014/6/26/gsoc-enters-21st-century monthly 0.5 2014-07-03 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403819955291-268336WEVQO8VQGSL3CW/image-asset.jpeg Articles - Website v3.0: GSOC Communication in the 21st Century Our Founder, E.T. 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Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433313168-BP38E2A1PUOYLR7V6Z9G/Julia.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170662012-KBA2SEAYS14U8JUX8MYF/IMG_3397.JPG Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170647760-TK4QGFOONUD14YL7VURX/IMG_0179.JPG Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170634116-06GMLVQ7CMF4UDNXYMG4/IMG_0047.JPG Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170668945-MJU0NZ1J2L1NFXO9C3TG/IMG_3422.JPG Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433273564-Y4057PNEWIDFVC4EF7MD/Bev+Bart+%26+bridge.jpg Articles - 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Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433298002-APMSNP9603S2S2WTT0EV/dike.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433282575-ZINLZFMKXD5ZDOLJHPCO/creekside.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433302242-LT9ZS4JZ3GFVRQAPEPKR/dikes+I+think.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433309693-LFJH22MKZXHDBK4E2OLC/guide.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433274566-USKAS9ZHBID0FXAWX6TZ/Bev+Sheila+et+al.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433320687-ULT89A0KB1MNQOLYQ5RZ/on+the+trail+2.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433329126-9W0ZBYD85TKRXATVBGHT/Permian-Jurassic+chart.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433331994-ZSPLZJ6LT1891BKR5OIZ/petroglyphs2.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433344471-8RF9JZFQ7XCZP4FOCUPT/photographer.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433336986-06W364P1LMDRKN33E76J/River+panorama.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433342127-K24NYMMV03GQBTWGC59V/roadcut.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433348123-DT2RTFY6DKEHUTSFHKKI/rocks.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433352794-83NZC6KKL89AMOPPOR34/sample.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170621496-DRRL5LON74MJ5JQ2HE29/IMG_0094.JPG Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433361488-X3UY5GC5OD96P9I43JV9/taking+samples.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433364515-SZDS3GYS7IK8CDQ19STT/tree+%26+bench.jpg Articles - Spring Field Trip to Lewiston Basin & Snake River https://www.gsoc.org/news/2014/4/25/nick-zenters-talk-annual-banquet-part-2 monthly 0.5 2018-02-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398456326629-SZJKGA0VLEN982UNDPYN/image-asset.jpeg Articles - Nick Zentner's "2-Minute Geology" of the Kittitas Valley https://www.gsoc.org/news/2014/4/25/gsoc-annual-banquet-part-1 monthly 0.5 2014-05-10 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398456637975-X1UWOUY9E4XXOEHS573S/image-asset.jpeg Articles - President Sheila Alfsen Emphasizes Historic Connection to PSU https://www.gsoc.org/news/2014/5/11/welcome-new-members monthly 0.5 2014-04-23 https://www.gsoc.org/news/2014/5/11/board-meeting-notes-april-12th-2014 monthly 0.5 2014-05-11 https://www.gsoc.org/news/2014/5/14/do-we-need-this-aggradation monthly 0.5 2018-02-18 https://www.gsoc.org/news/category/field+trip monthly 0.5 https://www.gsoc.org/news/category/Lecture monthly 0.5 https://www.gsoc.org/news/category/Annual+Banquet monthly 0.5 https://www.gsoc.org/news/category/Board+Meeting monthly 0.5 https://www.gsoc.org/news/category/History monthly 0.5 https://www.gsoc.org/news/tag/Idaho+Geology monthly 0.5 https://www.gsoc.org/news/tag/featured monthly 0.5 https://www.gsoc.org/news/tag/DOGAMI monthly 0.5 https://www.gsoc.org/news/tag/Oregon+Geology monthly 0.5 https://www.gsoc.org/news/tag/oregon+geology monthly 0.5 https://www.gsoc.org/news/tag/Geosciences+Eduction monthly 0.5 https://www.gsoc.org/news/tag/Structural+Geology monthly 0.5 https://www.gsoc.org/news/tag/Columbia+River+Basalts monthly 0.5 https://www.gsoc.org/news/tag/Mt.+St.+Helens%2FLawetlat%E2%80%99la monthly 0.5 https://www.gsoc.org/news/tag/Columbia+River+Basin monthly 0.5 https://www.gsoc.org/news/tag/GSOC+History monthly 0.5 https://www.gsoc.org/news/tag/vogt monthly 0.5 https://www.gsoc.org/news/tag/Yellowstone+Hotspot monthly 0.5 https://www.gsoc.org/news/tag/Washington+Geology monthly 0.5 https://www.gsoc.org/news/tag/Earthquakes monthly 0.5 https://www.gsoc.org/news/tag/paleontology monthly 0.5 https://www.gsoc.org/news/tag/Vogt+2025 monthly 0.5 https://www.gsoc.org/news/tag/Cascades monthly 0.5 https://www.gsoc.org/news/tag/2024 monthly 0.5 https://www.gsoc.org/news/tag/obituary monthly 0.5 https://www.gsoc.org/news/tag/new+members monthly 0.5 https://www.gsoc.org/news/tag/Volcanism monthly 0.5 https://www.gsoc.org/news/tag/Women+in+Geology monthly 0.5 https://www.gsoc.org/news/tag/gsoc+history monthly 0.5 https://www.gsoc.org/news/tag/Landslides monthly 0.5 https://www.gsoc.org/news/tag/hancock monthly 0.5 https://www.gsoc.org/news/tag/Radon monthly 0.5 https://www.gsoc.org/news/tag/PSU+Geology+Dept. monthly 0.5 https://www.gsoc.org/news/tag/2023 monthly 0.5 https://www.gsoc.org/news/tag/Plate+Tectonics monthly 0.5 https://www.gsoc.org/news/tag/Paleontology monthly 0.5 https://www.gsoc.org/news/tag/Meteorites monthly 0.5 https://www.gsoc.org/news/tag/Climate+Change monthly 0.5 https://www.gsoc.org/news/tag/History+of+Geology monthly 0.5 https://www.gsoc.org/news/tag/Missoula+Floods monthly 0.5 https://www.gsoc.org/news/tag/Rice+Museum monthly 0.5 https://www.gsoc.org/board-officers daily 0.75 2026-03-02 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1707496683096-Y1EYZ3RHK3PRIMS9DHA3/Julian+Gray.jpg Board & Officers - Julian Gray President president@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1707496683096-Y1EYZ3RHK3PRIMS9DHA3/Julian+Gray.jpg Board & Officers - Julian Gray President president@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1585008867254-7KKXF3QLUUWY4EDL1TIE/image-asset.png Board & Officers - Clark Niewendorp Past-President pastpresident@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1541808867761-U4H4NR20WWXCOEUH7G67/Sheila+Alfsen.jpg Board & Officers - Sheila Alfsen Program Director program@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1551426111805-TFXUWQIWVZT9LYLUP55X/Barb.jpg Board & Officers - Barbara Stroud Treasurer treasurer@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1683909268369-KIMKA1ZT9PRK1UVYBN2I/Carol.jpg Board & Officers - Carol Hasenberg Field Trip Director Annual Newsletter Editor fieldtrips@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1585009109762-H10B6RPN9DYV7SOVQEDR/image-asset.png Board & Officers - Bonnie Prange Secretary secretary@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1541809022576-L6KHXG75B1SVMQUAHIOD/Paul-at-Unitas-square.jpg Board & Officers - Paul Edison-Lahm Communications Director Geology Hour Producer communications@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1583213303044-3RKMIAY9FOI7NWD3RPU4/image-asset.png Board & Officers - Carole Miles Outreach Director Vogt Scholarship Chair outreach@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1764084836325-IZD8JBD6NJR682KG62HR/image-asset.jpeg Board & Officers - Gary Joaquin Co-Membership Director membership@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1772431849532-T78SNO870BMA5ZESX3FO/image-asset.jpeg Board & Officers - Patty Hyatt Co-Membership Director membership@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1614593834324-EBEEEYPE4I0L723FUEKC/Denny.jpg Board & Officers - Scott Burns Director At-Large director1@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1737429950724-MIR8CZ2AIACN8NR4RRZQ/RandyHuniston_thumbnail.png Board & Officers - Garret Romaine Director At-Large director2@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1678156782324-4YCKG6HRFD2M3KFVWLXI/NancyCollin_thumbnail.png Board & Officers - Nancy Collins Membership Coordinator membership@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1766519051033-JS0DKY2J30D6G8Y50IBJ/image-asset.jpeg Board & Officers - Wes Mahan Director At-Large director3@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1551425540806-TNVLIBWBGWRFGNDXI13Z/Denny.jpg Board & Officers - Dennis Chamberlin Member At-Large director1@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1551426932545-YMZO26DQB1H4WM2HASV9/Dawn-w-violin-edit.jpg Board & Officers - Dawn Juliano Member At-Large director2@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1459228217874-K3Z087V3GBST3Q4PG11D/Janet.jpg Board & Officers - Janet Rasmussen New Member Coordinator Past President 2015 541.760.7846 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1459227803648-SN7UYWX2I5VQI8UR1CPI/john.JPG Board & Officers - Rik Smoody Past President (2017) Database Guru pastpresident@gsoc.org 503-568-0663 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424565246656-1R8YOXQ2IBS7RVTUVEA9/Dave.jpg Board & Officers - Dave Olcott 503.695.5219 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1519895082573-6GVL5Z37XFLVGUAM7IG7/Julia-with-rock.jpg Board & Officers - Julia Lanning Director (1 year) director1@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1497246908196-AJTV5T2SS792IXO75BCL/Bo-Mt-Hood-trip-crop.jpg Board & Officers - Bo Nonn Past-President 2016 503.235.9135 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424565208969-8JDNXCGOKW68ZQ2A59TW/Larry.jpg Board & Officers - Larry Purchase Director (1 year) 360.254.5635 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518948270809-KPERNCXQLOBJG9GZRK53/Megan+Faust.jpg Board & Officers - Megan Faust Director (2 year) AWG Liaison director2@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1497035738799-0O3C8TLD44988FK465YX/Marty-2017-crop.jpg Board & Officers - Marty Muncie Snack Committee Past Director 503.232.6342 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1641803137277-MM6MJUX6NNUN34GCSF4K/Bev+in+field.png Board & Officers - Beverly Vogt PSU Student Fund gsocfundforpsu@gsoc.org https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1678156623855-TKXOK5V76FN4W5ZV7X4E/RandyHuniston_thumbnail.png Board & Officers - Randall Humiston Member At-Large director2@gsoc.org https://www.gsoc.org/field-trip-photos daily 0.75 2023-03-04 https://www.gsoc.org/field-trip-gallery daily 0.75 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515491266924-JLGGES3GA77IWCJPZEJR/Goshen-1938-v2.jpg Past Field Trips - April 1938 — Goshen Fossil Leaf Pit https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515491266924-JLGGES3GA77IWCJPZEJR/Goshen-1938-v2.jpg Past Field Trips - April 1938 — Goshen Fossil Leaf Pit https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399669653895-L4NHZL36TDPJXYFQ24CX/1998+July+Buried+Forests+Ken.jpg Past Field Trips - July 1998 - Buried Forests of Mt. Hood https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399670210276-5TCFUEQP6AWSWXK5GZNR/1999+April+Erratic+Rock.jpg Past Field Trips - April 1999 - Erratic Rock State Park https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399670736528-8CAVVO0QN3TR46RQ3C6U/2000+Sept+Missoula+Floods.jpg Past Field Trips - Sept. 2000 - Ice Age Floods https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671011469-HYFISYWQICGRBE7XBT7R/2000+Sept+Missoula+Floods+2.jpg Past Field Trips - Sept. 2000 - Ice Age Floods https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671145161-7MS9L13Y0W8RWIRDFB0Q/2002+Feb+Grotto.JPG Past Field Trips - Feb. 2002 - Grotto/Rocky Butte Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671271577-PFHEGJHR3IUFX9K6OWVF/2004+Sept+Mt+Hood.jpg Past Field Trips - Sept. 2004 - Mt. Hood https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671475427-SK8M8K4NZ930OAY7VS45/Sept+2005+Blue+Basin.jpg Past Field Trips - Sept. 2005 - John Day Fossil Beds https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671623659-UZ45EUPD3ZQ783K8M4FV/2006+July+Bull+Run.jpg Past Field Trips - June 2006 - Bull Run Watershed https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671829529-1F9Z2FXNQB5ERXJFY4XK/2006+Aug+Ape+Cave+doug_treehole.jpg Past Field Trips - Aug. 2006 - Ape Cave https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671960707-AI2MGQ2U1ZIFGL3313L8/Feb+2007+Newport+Fossil+Fest.jpg Past Field Trips - Feb. 2007 - Newport Fossil Fest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399672551957-3XOACF9BN8M7E81DW3OP/2007+June+Mt+Hood.jpg Past Field Trips - June 2007 - Mt Hood https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399672319556-BFVMFOLZWM1FUHPYSF9B/2007+Sept+Klamath+Mts.jpg Past Field Trips - Sept 2007 - Klamath Mountains https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399672700658-OE8QUJMCP1HXXDJYJKJU/2008+Feb+Newport.jpg Past Field Trips - Feb. 2008 - Newport Fossil Fest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673251893-WN5N3UAWUFJ1UAISHWBH/2008-June-Crack-in-the-Ground.gif Past Field Trips - June 2008 - Christmas Valley & Summer Lake https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673401878-9OUJAESLEX76YVP8CVN5/2008+June+Maars.jpg Past Field Trips - June 2008 - Journey to Maars https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673649640-CH7UJVMFLVTIO8S8JMVW/2008+Sept+Blue+Mtns.jpg Past Field Trips - Sept. 2008 - Blue Mountains https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673821089-G2N38AMFPXXHOQ943ZVC/2008+Sept+Baker+Ctyminegroup.jpg Past Field Trips - Sept. 2008 - Baker County https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673926496-CLMLTYJKFQNJQB820YE9/2009+Feb+Newport+Fossil+Fest.jpg Past Field Trips - Feb. 2009 - Newport Fossil Fest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674040240-D72EE248KT1GEHXX4AIK/2009+June+Eastern+Gorge.jpg Past Field Trips - June 2009 - Eastern Columbia Gorge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674152505-SRJZTL74T618JGGV9PC8/2009+July+Silverfalls.jpg Past Field Trips - July 2009 - Silver Falls State Park https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674273729-WO144UU32RU7HVP7IXLK/2010+June+Bullrun.jpg Past Field Trips - June 2010 - Bull Run Watershed https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674570388-VA9VEJGA83LEYVBVHJD4/2010+July+Devonian+outcrop.jpg Past Field Trips - July 2010 - President's Trip - Oldest Rock in Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674681137-XJXI3RZXKLOG1O07KB1O/2013+May+Two+Calderas.JPG Past Field Trips - May 2013 - Two Calderas https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1426194035795-JUNRCN7Y2RWMK4EDJJ4E/image064.jpg Past Field Trips - May 2014 - Lewiston Basin/Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110869761-UNMT3ZYW9M3YYF8RH57A/IMG_1260.JPG Past Field Trips - Sept. 2014 — Cascades Sedimentary Geology https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515492037319-Y1UVMC3VLG7YWRFIBOG1/Scouting+Trip+to+Southeast+Oregon_Page_24_Image_0002.1.jpg Past Field Trips - Sept. 2015 — Wonders of Southeast Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1465932589166-RM0EZKGSC79AJTPUMY48/tilted+hillside+group.jpg Past Field Trips - June 2016 — Eastern Columbia River Gorge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515492370648-UIY2ZWF7N89TQH5QN85G/2017+eclipse+totality+Montross.jpg Past Field Trips - Aug. 2017 — Eclipse Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515492542218-O0P7DIPDNNB09TIBY5KU/Mt+St+Helens+Spirit+Lake+penninsula.jpg Past Field Trips - Sept. 2017 — Mt. St. Helens Helicopter Tour https://www.gsoc.org/2014-lewiston-basin-trip daily 0.75 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433291684-MDVIW2OSOR0JS276Q2VP/creekside+2.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433291684-MDVIW2OSOR0JS276Q2VP/creekside+2.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433266382-5YV2BYMHILI1XODDIX4K/Bev+%26+Bart.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170676877-BQ3EJ3NSVE9GSSB1K6DB/IMG_0284.JPG 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170637426-27THWT7CBJVSIQMNPU7U/IMG_0130.JPG 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433356206-0A6JS0QQYN4QZI0IOXO2/strata.jpg 2014 Lewiston Basin Trip 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Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433273564-Y4057PNEWIDFVC4EF7MD/Bev+Bart+%26+bridge.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433317679-J83RI2HM5ZHK0OALRJSO/mountains+cliff+wow.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433288974-6MHE5L82I128BALE7IAZ/diagram+lava+flow.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170655256-3Z51XX0VBAL2YFK414YS/IMG_0189.JPG 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433268440-HAQC25J2C9QE51XNGRQ4/actual+lava+flow.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433292734-LX9S6JW8FGLZO8KWZCMB/diagram.jpg 2014 Lewiston Basin Trip 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Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433329126-9W0ZBYD85TKRXATVBGHT/Permian-Jurassic+chart.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433331994-ZSPLZJ6LT1891BKR5OIZ/petroglyphs2.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433344471-8RF9JZFQ7XCZP4FOCUPT/photographer.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433336986-06W364P1LMDRKN33E76J/River+panorama.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433342127-K24NYMMV03GQBTWGC59V/roadcut.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433348123-DT2RTFY6DKEHUTSFHKKI/rocks.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433352794-83NZC6KKL89AMOPPOR34/sample.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401170621496-DRRL5LON74MJ5JQ2HE29/IMG_0094.JPG 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433361488-X3UY5GC5OD96P9I43JV9/taking+samples.jpg 2014 Lewiston Basin Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401433364515-SZDS3GYS7IK8CDQ19STT/tree+%26+bench.jpg 2014 Lewiston Basin Trip https://www.gsoc.org/2014-p-field-trip-sedimentation-carol-photos daily 0.75 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110860689-TSQ1JO409SP6UDMJYA8T/IMG_1286.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110860689-TSQ1JO409SP6UDMJYA8T/IMG_1286.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110861383-H9VLCYQG43NJKR5MP95C/IMG_1288.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110861913-WO88NL0VVXA8RUYWHUCX/IMG_1386.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110863114-WBW8UWWVXL5ROU4DUYID/IMG_1409.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110864609-7LE916XL6DJZWQU9GG2T/IMG_1247.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110864309-2QK7J1QX7L52SVFFENX3/IMG_1237.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110865332-FYY8IF45OZLA4FMGQ9JT/IMG_1239.JPG 2014 P Field Trip Sedimentation Carol photos 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https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110874378-3E094UIVA83HTEHW30SQ/IMG_1280.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110876994-FBNXIBJEJT2T75VF95C9/IMG_1233.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110876172-9JPUJZFCRK4651DWYELK/IMG_1210.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110877719-X19O1TLL2GH2RAM53PX8/IMG_1202.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110877577-BT92YKUDP8ZQTJD3QEAJ/IMG_1203.JPG 2014 P Field Trip Sedimentation Carol photos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110878084-V03021T4FGLC2T79OB3A/IMG_1209.JPG 2014 P Field Trip Sedimentation Carol photos https://www.gsoc.org/newsletter-img-95-14 daily 0.75 2023-02-23 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408227712034-TEJSB8VZZP8OGZW85HR4/Pages+from+1995+NEWSLETTERS.jpg Newsletters 1995 to 2019 - 1995 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408227713351-TG7T42U41YEVAVM6BXTL/Pages+from+1996+NEWSLETTERS.jpg Newsletters 1995 to 2019 - 1996 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408227715501-X2D2DXNHH0ZEZ70HY70T/Pages+from+1997+NEWSLETTERS.jpg Newsletters 1995 to 2019 - 1997 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408227715565-X7BHQKDQ333H7K2W5XCM/Pages+from+1998+NEWSLETTERS.jpg Newsletters 1995 to 2019 - 1998 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408227716846-AJNN1B2611TWOJ7YTHMA/Pages+from+1999+NEWSLETTERS.jpg Newsletters 1995 to 2019 - 1999 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1993 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408227709088-KFL2IBC58PHRF17PDTHY/Pages+from+1994+NEWSLETTERS.jpg Newsletters 1965-1994 - 1994 https://www.gsoc.org/field-trips daily 0.75 2022-03-12 https://www.gsoc.org/field-trips/2022/5/18/rafting-the-lower-john-day-with-ouzel-outfitters-and-gordon-grant monthly 0.5 2022-03-12 https://www.gsoc.org/field-trips/2020/12/lecture-david-b-williams monthly 0.5 2020-11-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1605376013766-GRMCNAWXVNT9K6EV3H4N/DBW+Author+photo.png Old Calendar - Friday Night Lecture: Stories in Stone David B. Williams, Author of Stories in Stone https://www.gsoc.org/field-trips/2020/sept-meetup-xeeae-c4829 monthly 0.5 2020-08-24 https://www.gsoc.org/field-trips/2020/sept-meetup-xeeae monthly 0.5 2020-09-27 https://www.gsoc.org/field-trips/2020/sept-meetup monthly 0.5 2020-08-16 https://www.gsoc.org/field-trips/2020/8/7/coaledo-formation-trip-with-john-armentrout monthly 0.5 2020-06-09 https://www.gsoc.org/field-trips/2020/5/31/john-day-rafting-field-trip-2 monthly 0.5 2020-05-20 https://www.gsoc.org/field-trips/2020/5/25/john-day-rafting monthly 0.5 2020-05-20 https://www.gsoc.org/field-trips/2020/12/board-meeting-holiday monthly 0.5 2020-08-24 https://www.gsoc.org/field-trips/2020/10/board-meeting-westside monthly 0.5 2020-08-24 https://www.gsoc.org/field-trips/2020/8/board-meeting-picnic monthly 0.5 2020-08-13 https://www.gsoc.org/field-trips/2020/6/board-meeting-westside monthly 0.5 2020-05-22 https://www.gsoc.org/field-trips/2020/4/board-meeting-westside monthly 0.5 2020-03-24 https://www.gsoc.org/field-trips/2020/11/board-meeting-eastside monthly 0.5 2020-08-24 https://www.gsoc.org/field-trips/2020/9/board-meeting-eastside monthly 0.5 2020-08-13 https://www.gsoc.org/field-trips/2020/7/board-meeting-eastside monthly 0.5 2020-07-01 https://www.gsoc.org/field-trips/2020/5/board-meeting-eastside monthly 0.5 2020-04-25 https://www.gsoc.org/field-trips/2020/3/board-meeting-eastside monthly 0.5 2020-02-17 https://www.gsoc.org/field-trips/2020/11/lecture monthly 0.5 2020-11-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1601490165972-D6O47LTVPLWPNEKVUH42/Anders-at-glacier.png Old Calendar - Friday Night Lecture: Monitoring Our Vanishing Glaciers https://www.gsoc.org/field-trips/2020/11 monthly 0.5 2020-09-17 https://www.gsoc.org/field-trips/2020/6 monthly 0.5 2020-09-14 https://www.gsoc.org/field-trips/2020/4 monthly 0.5 2020-03-24 https://www.gsoc.org/field-trips/2020/6/downtown-pdx-building-stone-geology-tour-south-tour monthly 0.5 2020-05-20 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1581972002049-EDYWFAUUCPC7973GZQBF/Downtown-Tour-collage-south.png Old Calendar - Downtown PDX Building Stone Geology Tour (rescheduling TBA ) https://www.gsoc.org/field-trips/2020/2/15/gsoc-meetup-at-woodstock-wine-amp-deli-k72kn-pt9gl monthly 0.5 2020-08-16 https://www.gsoc.org/field-trips/2020/2/15/gsoc-meetup-at-woodstock-wine-amp-deli-k72kn-5rll2 monthly 0.5 2020-02-11 https://www.gsoc.org/field-trips/2020/2/15/gsoc-meetup-at-woodstock-wine-amp-deli-k72kn-2d9bh monthly 0.5 2020-06-15 https://www.gsoc.org/field-trips/2020/5/16/dunning monthly 0.5 2020-05-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1588058700563-1O27S9NQMSGAF7G3K9SG/Dunning-Death-Valley-with-other-Dunnings.png Old Calendar - GSOC Zoom Meetup: Andrew Dunning, Geology of Death Valley Image: Andrew Dunning https://www.gsoc.org/field-trips/2020/2/15/gsoc-meetup-at-woodstock-wine-amp-deli-k72kn monthly 0.5 2020-04-19 https://www.gsoc.org/field-trips/2020/2/15/gsoc-meetup-at-woodstock-wine-amp-deli-2z4jy monthly 0.5 2020-03-20 https://www.gsoc.org/field-trips/2020/2/15/gsoc-meetup-at-woodstock-wine-amp-deli monthly 0.5 2020-02-11 https://www.gsoc.org/field-trips/2020/5/8/taylor monthly 0.5 2020-09-14 https://www.gsoc.org/field-trips/2020/8/annual-picnic monthly 0.5 2020-08-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1533187939296-I3FXCWYE53LV23G58K18/image-asset.jpeg Old Calendar - 2020 VIrtual Picnic https://www.gsoc.org/field-trips/2020/3/annual-banquet monthly 0.5 2020-03-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1577127182758-PK2SBB4U93TRI3VQJ68Q/rocks-not-lying.png Old Calendar - 85th Annual Banquet Has Been Cancelled https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1577126649057-7D2UE8K4034P74167OYD/Montgomery-edit.png Old Calendar - 85th Annual Banquet Has Been Cancelled David Montgomery https://www.gsoc.org/field-trips/2020/1/10/thompson monthly 0.5 2020-01-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1578333896809-O9DPLFFY5UF8TUQ311BF/frac.png Old Calendar - Friday Night Lecture: The Science of Fracking and Microseismics https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1578333840091-D4BJRWZDVGPCC10RFHPJ/Laird-Thompson-edit.png Old Calendar - Friday Night Lecture: The Science of Fracking and Microseismics Dr. Laird Thompson https://www.gsoc.org/field-trips/2020/10/9/streig monthly 0.5 2020-09-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1599252443317-M2AQCK9U2FFYDLE5TZX0/Dr.+Streig.png Old Calendar - Friday Night Lecture: Dr. Ashley Streig, Portland State University Ashley Streig, Ph.D., Paleoseismologist, Assistant Professor, Portland State University https://www.gsoc.org/field-trips/2020/7/10/dvorak monthly 0.5 2020-09-14 https://www.gsoc.org/field-trips/2020/2/14/marlimiller monthly 0.5 2020-01-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1580030930899-T97UTVX3XJG3PYASX6UM/GeologyPics-190811-54.jpg Old Calendar - Friday Night Lecture: Dr. Marli Miller, Geotouring the Northwest Columbia River Gorge, Oregon-Washington (Photo credit: Marli Miller at geology photos) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1580030387244-OWNRY2DDGHUX45EQXQ4R/Marli-Miller-2020.jpeg Old Calendar - Friday Night Lecture: Dr. Marli Miller, Geotouring the Northwest Dr. Marli Miller https://www.gsoc.org/field-trips/2019/12/14/holidayparty monthly 0.5 2019-12-09 https://www.gsoc.org/field-trips/2019/11/16/volunteer-event monthly 0.5 2020-01-05 https://www.gsoc.org/field-trips/2019/9/28/awg-ape-cave-field-trip monthly 0.5 2019-09-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1569438330738-6ZLWK80X85XDHDDNVKFS/image-asset.jpeg Old Calendar - AWG Ape Cave Field Trip Photo credit: Dave Bunnell / Under Earth Images https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1569437852997-VS0BJYL7HN9UO4DWL9PN/Save+Our+Bats.png Old Calendar - AWG Ape Cave Field Trip Save Our Bats Instructions https://www.gsoc.org/field-trips/2019/10/5/downtown-north-tour monthly 0.5 2019-08-16 https://www.gsoc.org/field-trips/2019/johnson-creek-tour monthly 0.5 2019-08-23 https://www.gsoc.org/field-trips/2019/6/28/fire-and-water-recent-mafic-volcanism-of-the-central-oregon-cascades-cogs-trip monthly 0.5 2019-06-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1559852726309-II9SKK67YS8XU9UCYVRH/COGS+Central+oregon+field+trip.png Old Calendar - Fire and Water: Recent mafic volcanism of the central Oregon Cascades https://www.gsoc.org/field-trips/2019/7/27/mt-tabor-trip monthly 0.5 2019-07-24 https://www.gsoc.org/field-trips/2019/7/13/marys-peak monthly 0.5 2019-06-09 https://www.gsoc.org/field-trips/2019/9/13/zenter monthly 0.5 2019-08-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565932433300-A9MDCCI5AS4XCEO63VK2/gsocsepoct19_Page_02_Image_0001.jpg Old Calendar - Friday Night Lecture: Nick Zentner, Supervolcanoes of the Pacific Northwest Zentner explaining just how many supervolcano eruptions have impacted the Pacific Northwest.. https://www.gsoc.org/field-trips/2019/7/12/alfsen monthly 0.5 2019-05-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1557610257883-KPVOMK2F1X3BFS1DALKD/Screen+Shot+2018-11-15+at+6.08.35+PM.png Old Calendar - Special Pre-Lecture on Tyee Formation https://www.gsoc.org/field-trips/2019/6/1/downtown-south-tour monthly 0.5 2019-05-31 https://www.gsoc.org/field-trips/2019/5/10/moran monthly 0.5 2019-04-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1554787705352-68TWKTWWDVQ7VILTES5T/20_Thousand_Years_of_Shorelines-1.jpg Old Calendar - May Lecture: The Kilauea Eruption and Its Relevance to Pacific Northwest Cascade Volcanism https://www.gsoc.org/field-trips/2019/8/11/annual-potluck monthly 0.5 2019-07-11 https://www.gsoc.org/field-trips/2019/8/17/lewis-river-easy-walking-trip monthly 0.5 2019-10-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565936753937-CLD5KIIUDUF5QNV5Z3P6/Screen+Shot+2019-08-15+at+11.24.36+PM.png Old Calendar - Lewis River "Easy Walking" Trip Field Guide pdf available here. https://www.gsoc.org/field-trips/2019/6/19/wallowas-field-trip-with-ellen-morris-bishop monthly 0.5 2019-06-05 https://www.gsoc.org/field-trips/2019/4/13/krier monthly 0.5 2019-04-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1552445335118-6O905865LMHEVP6I853C/20_Thousand_Years_of_Shorelines-1.jpg Old Calendar - April Lecture: 20,000 Years of Changing Shorelines https://www.gsoc.org/field-trips/2019/7/12/swenton monthly 0.5 2019-05-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1548930235197-8Z42UON6F32OSP42ZGPY/Swenton-rock-hammer.jpg Old Calendar - July Lecture — Eastern Oregon Volcanics: Yellowstone Mantle Plume or Cascadia Slab Rollback? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1548930266264-ETTTHBX9J3RDPBVKWBI1/Swenton-w-rock-crop.jpg Old Calendar - July Lecture — Eastern Oregon Volcanics: Yellowstone Mantle Plume or Cascadia Slab Rollback? https://www.gsoc.org/field-trips/2019/6/14/armentrout monthly 0.5 2019-01-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1543965386852-7IRZSTBINS0R81C36QLQ/Armentrout-in-situ.png Old Calendar - June Lecture: John Armentrout, the Marine Coaledo Formation: https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1543965986349-KI54MLHYYHD66PQ7GCGT/Armentrout.png Old Calendar - June Lecture: John Armentrout, the Marine Coaledo Formation: John Armentrout https://www.gsoc.org/field-trips/2019/06/29/bike-tour monthly 0.5 2019-06-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1528841513978-4IVO3I54X3JMZP0CQT2H/Screen+Shot+2018-06-12+at+3.10.23+PM.png Old Calendar - Eastbank Bike GeoTour https://www.gsoc.org/field-trips/2019/4/12/disasters-resilience-and-the-next-generation-yumei-wang-le-val-lund-lecture monthly 0.5 2019-11-05 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1570006672113-3QAIH3EU5NDCK0OPLKF6/Vertical+Yumei.png Old Calendar - Special Event: Yumei Wang "Disasters, Resilience and the Next Generation" “Dragon’s Gate” Artist: N. Yung-Weeks https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1542569760112-B8BEQ7PRSZYA42TR9OFV/yumei-wang_4x6.jpg Old Calendar - Special Event: Yumei Wang "Disasters, Resilience and the Next Generation" https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1571214696230-7CZRDD8E9JCNDM7FRGSZ/Cramer-Hall-%26-Parking-Structure-2.jpg Old Calendar - Special Event: Yumei Wang "Disasters, Resilience and the Next Generation" Remember your license plate for the parking pay station! https://www.gsoc.org/field-trips/2018/12/14/holiday-party monthly 0.5 2019-10-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1543098784162-C4JQCK0BV98GMZA23IAY/Holiday-Party-triptych.png Old Calendar - GSOC 10th Annual Holiday Potluck &amp; Rock Donation https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1543099121381-8ECICUQ2A12CEF6YAZI2/Fireplace---corrected.png Old Calendar - GSOC 10th Annual Holiday Potluck &amp; Rock Donation The naked concrete of the unadorned Marmot Cabin fireplace. https://www.gsoc.org/field-trips/2018/11/17/volunteer-recognitionplanning-event monthly 0.5 2019-10-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1542309745179-3EOJ67I4MA8W53VRZU4H/Volunteer-Recognition-%233.5.png Old Calendar - Volunteer Recognition/Planning Event https://www.gsoc.org/field-trips/2019/10/11/cummings monthly 0.5 2019-08-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1566445176643-4Y2HQG3DSQJZVZGUAVSW/Crane%2BUnion%2BHS%2BRockers.jpg Old Calendar - Friday Night Lecture: Next Generation Science Standards Photo: Harney Rockers, Crane Union High School Physical Science Class. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539903920961-3AMXU7DW4WRN15XE2M1D/michaelcummings.v2_324.jpg Old Calendar - Friday Night Lecture: Next Generation Science Standards Photo credit: NAGT https://www.gsoc.org/field-trips/2018/1/12/field-trip-recap-wn45b monthly 0.5 2018-10-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1513708793889-GCATVUCZH5QPE2FTKE6H/Our-Year-in-the-Field-2017-edit.jpg Old Calendar - January Lecture: GSOC's Year in the Field https://www.gsoc.org/field-trips/2019/3/10/84th-annual-banquet monthly 0.5 2019-12-23 https://www.gsoc.org/field-trips/2018/7/14/cogs-lava-butte-field-trip monthly 0.5 2018-06-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1530378025821-O26UA3SZQ3G9C7MC5RG7/Lava+Butte+COGS.jpg Old Calendar - Lava Butte and Lava Lands Visitor Center (COGS Field Trip) https://www.gsoc.org/field-trips/2018/06/23/bike-tour monthly 0.5 2018-11-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1528841513978-4IVO3I54X3JMZP0CQT2H/Screen+Shot+2018-06-12+at+3.10.23+PM.png Old Calendar - Eastbank Bike GeoTour https://www.gsoc.org/field-trips/2018/9/21/september-lecture monthly 0.5 2018-08-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1535681612069-WP74PRI5L0OQJDOU8OTI/railroad+tracks+hi+res.jpg Old Calendar - September Lecture: Earthquake Early Warning Systems (Bill Burgel) Railway after 2010 Canterbury New Zealand quake (NZ Ministry of Civil Defense and Emergency Management) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1535675679191-FBYQY8ZFBTQ0IOM33AGG/Burgel%2C+Bill_Photo.jpg Old Calendar - September Lecture: Earthquake Early Warning Systems (Bill Burgel) https://www.gsoc.org/field-trips/2018/10/12/october-lecture monthly 0.5 2018-08-16 https://www.gsoc.org/field-trips/2018/9/22/sept-lecture monthly 0.5 2018-11-06 https://www.gsoc.org/field-trips/2018/09/29/johnson-creek-tour monthly 0.5 2019-08-16 https://www.gsoc.org/field-trips/2018/9/14/presidents-field-trip-camp-hancock monthly 0.5 2018-09-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1529456026620-U1NM9RZO2R6VMOQHH6DO/93588-Flashlight_02_570x380%402x.jpg Old Calendar - GSOC President’s Field Trip: Camp Hancock with the Rose City Astronomers https://www.gsoc.org/field-trips/2018/8/12/annual-picnic monthly 0.5 2019-12-23 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1533187939296-I3FXCWYE53LV23G58K18/image-asset.jpeg Old Calendar - 2018 Annual Potluck at Rice Northwest Rock and Mineral Museum https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1533187784463-9V789HFBIO30Y3VTL9PJ/Nick-Famoso-NPS-photo-edit.jpg Old Calendar - 2018 Annual Potluck at Rice Northwest Rock and Mineral Museum https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495039858285-9W1SOGTLZFO8282PEC95/image-asset.jpeg Old Calendar - 2018 Annual Potluck at Rice Northwest Rock and Mineral Museum https://www.gsoc.org/field-trips/2018/7/13/july-lecture monthly 0.5 2018-05-29 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1527621508837-UGSGB80PCLY468TK4PUZ/image-asset.jpeg Old Calendar - July Lecture: A Tail Between Two Cities: the Yellowstone Plume (Head and Tail) Between John Day and Burns, Oregon https://www.gsoc.org/field-trips/2018/5/11/jeffrey-templeton monthly 0.5 2018-04-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1523597827552-NTTVZKDCSOTJ2VLHET6U/tuffs.png Old Calendar - June Lecture: A New Look at “Old” Tuffs at Newberry Volcano (Dr. Jeffrey Templeton) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1523597244185-ULIKQYTZ0Y43SGIY8X5W/jeff-templeton-photo.png Old Calendar - June Lecture: A New Look at “Old” Tuffs at Newberry Volcano (Dr. Jeffrey Templeton) Dr. Jeffrey Templeton https://www.gsoc.org/field-trips/2018/08/19/mt-st-helens-tour monthly 0.5 2018-07-23 https://www.gsoc.org/field-trips/2018/5/11/ray-wells monthly 0.5 2018-04-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1522275347555-60XQ1OV7Z7Z8UGXBA9PX/image-asset.png Old Calendar - May Lecture: Oregon's Slow Rotation Is Responsible for Earthquakes in NW Urban Corridor (Ray Wells, USGS) From Wells and McCaffrey, Geology 2013. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1522275306677-1O3NGSYOU5VBYMEQW7KF/Ray+Wells+headshot.jpg Old Calendar - May Lecture: Oregon's Slow Rotation Is Responsible for Earthquakes in NW Urban Corridor (Ray Wells, USGS) Dr. Ray Wells https://www.gsoc.org/field-trips/2018/10/06/downtown-tour-south monthly 0.5 2019-04-17 https://www.gsoc.org/field-trips/2018/06/16/downtown-tour-north monthly 0.5 2019-08-16 https://www.gsoc.org/field-trips/2017/3/12/annual-banquet-ya4xr monthly 0.5 2018-08-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515398181439-E59B45KUN0PXIGXP47NH/Author+EagleCap-X3.jpg Old Calendar - 83nd Annual Banquet: Ellen Morris Bishop to Speak Sorry registration is now closed. https://www.gsoc.org/field-trips/2018/4/13/tom-pierson monthly 0.5 2018-04-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1512198681617-U2FVXLTMFVH3UG50RB3J/Cascade-landslide-complex_with-landslide-edit.jpg Old Calendar - April Lecture: Large, Abundant Landslides in the Western Columbia Gorge (and Some Still Active) USGS: Excerpt from Columbia Gorge landslide map USGS-SIM 3358 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1511800407720-Q0SR2EP5I48DO9XJZTBA/Tom-Pierson-smiling-edit.jpg Old Calendar - April Lecture: Large, Abundant Landslides in the Western Columbia Gorge (and Some Still Active) https://www.gsoc.org/field-trips/2018/2/9/johnson-creek-eastside monthly 0.5 2018-01-11 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1513714229321-5AAJRIB3IIRCA6IEGVFU/Canyon-rocks-composite-edit.jpg Old Calendar - February Lecture: An Amateur's Guide to the Geology of Johnson Creek and Eastside Portland https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1513710388955-UMFK0Y3RXJOBDT234NCE/Paul-collecting-Johnson-creek Old Calendar - February Lecture: An Amateur's Guide to the Geology of Johnson Creek and Eastside Portland In addition to a GSOC membership, two vital assets for the amateur geologist are comfortable clothing and a reckless disregard for personal style. https://www.gsoc.org/field-trips/2019/1/11/field-trip-recap monthly 0.5 2018-10-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1539902821469-H6AC97KO7JS9BPWVFYJY/Our-Year-in-the-Field-2018.jpg Old Calendar - January Lecture: GSOC's Year in the Field https://www.gsoc.org/field-trips/2016/6/11/eastern-columbia-river-gorge-field-trip-full-lfjrb monthly 0.5 2018-01-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510521668075-YWD7MWG74RLDV6I5BCRQ/Bonneville+flood+boulders.jpg Old Calendar - Snake River Plain and Albion Mountains Field Trip Bonneville Flood boulders on Walters Bar. Guffey Butte, a basaltic maar, is in the background. https://www.gsoc.org/field-trips/2017/12/16/annual-holiday-party monthly 0.5 2018-11-01 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510441791461-6YSP7YS38Y273N5T3R5V/Holiday-Party-Dawn-%26-Barbara-cleaned-up.jpg Old Calendar - GSOC 9th Annual Holiday Party and Potluck https://www.gsoc.org/field-trips/2017/10/13/fridaynightlecturejason-mcclaughry-7tcb2 monthly 0.5 2017-11-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1505365349515-9FONE1BSM0BA96BE6EBA/Leslie-photo-edit.jpg Old Calendar - Friday Night Lecture — Leslie Moclock, "Oregon’s Gems: The Geologic Stories Behind Beautiful Stones" https://www.gsoc.org/field-trips/2017/9/21/johnson-creek-watershed-geology monthly 0.5 2017-09-18 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504756886660-09SUGPN0JTQV3YV007L5/Canyon-rocks---composite.jpg Old Calendar - Johnson Creek Watershed Geology Science Pub REED COLLEGE CANYON STREAM WITH QUARTZITES AND BASALTS. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504829356419-SD8UJSF4X20G737R5L1C/Mt-Tabor-eruption.jpg Old Calendar - Johnson Creek Watershed Geology Science Pub ERUPTION OF the now extinct MT. TABOR AS IMAGINED FROM MODERN DAY PORTLAND https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504865699142-AGN8A25DD3S0UOFRK66U/view-of-buttes-with-Missoula-flood-waters.jpg Old Calendar - Johnson Creek Watershed Geology Science Pub ICE AGE MISSOULA FLOOD WATERS INUNDATED THE PORTLAND BASIN. https://www.gsoc.org/field-trips/2017/10/13/fridaynightlecturejason-mcclaughry monthly 0.5 2017-09-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504127902497-UJ5K0DN2JFM4ZWR26J3T/Jason+McClaughry.jpg Old Calendar - Friday Night Lecture — Jason McClaughry: New Findings in the Middle Columbia Basin Jason in the Middle Columbia Basin looking northeast across the Columbia River to the Bingen anticline, which is underlain by a thick section of Columbia River Basalt. https://www.gsoc.org/field-trips/2017/09/09/mt-st-helens monthly 0.5 2017-09-04 https://www.gsoc.org/field-trips/2017/8/18/gsoc-presidents-field-trip monthly 0.5 2018-04-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1500494705042-WRU6VQSN1EF7G1BK6NNS/image-asset.jpeg Old Calendar - GSOC President’s Field Trip: Eclipse! (and More) President's Field Trip 1964 https://www.gsoc.org/field-trips/2017/7/1/friday-night-lecture-teaching-and-doing-geology-in-southern-oregon monthly 0.5 2017-08-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1498962783747-834AM4UPSLCMZ2IFFZYM/image-asset.jpeg Old Calendar - Friday Night Lecture: Teaching and Doing Geology in Southern Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1498962628227-N32B03L8BM555D9Z2OVA/image-asset.jpeg Old Calendar - Friday Night Lecture: Teaching and Doing Geology in Southern Oregon https://www.gsoc.org/field-trips/2017/5/17/annual-picnic monthly 0.5 2018-04-13 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495039858285-9W1SOGTLZFO8282PEC95/image-asset.jpeg Old Calendar - Annual Picnic https://www.gsoc.org/field-trips/2017/6/17/rock-quarries-and-gravel-pits-field-trip monthly 0.5 2017-05-19 https://www.gsoc.org/field-trips/2017/6/9/the-western-margin-of-the-north-america monthly 0.5 2017-05-25 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495481079489-1N954XBLS6G8ZO5YQDW1/image-asset.gif Old Calendar - Erratic Boulders — Legacy of the Ice Age: Talk by Rick Thompson https://www.gsoc.org/field-trips/2017/4/15/board-meeting monthly 0.5 2017-04-07 https://www.gsoc.org/field-trips/2017/4/14/volcanism-of-the-high-lava-plains-of-oregon-talk-by-dr-anita-grunder monthly 0.5 2017-04-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1488232843630-OZW49L4URMGJOOQXIZ9C/image-asset.jpeg Old Calendar - Volcanism of the Oregon High Lava Plains: Talk by Dr. Anita Grunder https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1488232812898-FW28BGI2XUO0CUF97VFL/image-asset.jpeg Old Calendar - Volcanism of the Oregon High Lava Plains: Talk by Dr. Anita Grunder https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1488242572320-C2KISTRB6GGV2H9N8KXW/image-asset.jpeg Old Calendar - Volcanism of the Oregon High Lava Plains: Talk by Dr. Anita Grunder https://www.gsoc.org/field-trips/2017/2/14/the-thomas-condon-fossil-museum-the-man-and-his-collection monthly 0.5 2017-04-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1487145983274-PRWW4L3Z7CPFZKQHMG4V/image-asset.jpeg Old Calendar - Thomas Condon's Fossil Collection: Talk by Dr. Bill Orr https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1488365115851-VVYMVH1E3BB2GVT6263V/image-asset.jpeg Old Calendar - Thomas Condon's Fossil Collection: Talk by Dr. Bill Orr https://www.gsoc.org/field-trips/2017/3/12/annual-banquet monthly 0.5 2018-01-08 https://www.gsoc.org/field-trips/2017/2/10/friday-night-lecture monthly 0.5 2017-01-11 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1484114699049-JGZWCBHENRPQKZZGI105/image-asset.jpeg Old Calendar - Friday Night Lecture - Time Travel Tales from the Yellowstone Hotspot and Great Basin https://www.gsoc.org/field-trips/2017/01/13/friday-night-lecture monthly 0.5 2017-01-12 https://www.gsoc.org/field-trips/2016/9/20/friday-night-lecture-eyewitness-chronicles-of-mount-st-helens monthly 0.5 2016-10-06 https://www.gsoc.org/field-trips/2016/10/1/mt-st-helens-helicopter-tour monthly 0.5 2017-08-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473798478994-QYBMHVHP1EVZ85GNEVZV/image-asset.jpeg Old Calendar - Mt. St. Helens Helicopter Tour https://www.gsoc.org/field-trips/2016/9/6/presidents-field-trip-oregon-coast-to-oregon-caves-and-more monthly 0.5 2016-09-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1469738130326-OOQY4D7IE2PXZIQKRKYV/image-asset.png Old Calendar - President’s Field Trip: Lava Flows and Accreted Terranes Rainbow Rock, Brookings https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1469738412071-FR2IT1LXILOGM27LVF6N/image-asset.png Old Calendar - President’s Field Trip: Lava Flows and Accreted Terranes Ashland pluton-accreted terrane contact https://www.gsoc.org/field-trips/2016/7/8/friday-night-lecture-tba monthly 0.5 2016-07-05 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1467434184147-4CNJYPM86XG7PF0AU2DP/Sheila+contruction+wide.jpg Old Calendar - Friday Night Lecture — Salvage Paleontology: Fossil Rescue at Construction Sites. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1467434296933-Z2HFGK3QORLF8NIFCJRP/image-asset.jpeg Old Calendar - Friday Night Lecture — Salvage Paleontology: Fossil Rescue at Construction Sites. https://www.gsoc.org/field-trips/2016/8/7/annual-picnic monthly 0.5 2016-07-12 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1468313004191-XK4I6QR37T8PVWZSBVI6/image-asset.png Old Calendar - Annual Picnic - Tualatin Community Park https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1466639935837-TA336B7WS5PV0PYPV53A/image-asset.jpeg Old Calendar - Annual Picnic - Tualatin Community Park Click to enlarge. https://www.gsoc.org/field-trips/2016/6/10/no-friday-lecture-in-june monthly 0.5 2016-04-09 https://www.gsoc.org/field-trips/2016/5/13/friday-night-lecture-may-13th-dr-bill-orr-lagersttten monthly 0.5 2016-04-27 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1460245520534-28HBCS1Q6TNUJ05XKQOC/image-asset.jpeg Old Calendar - Friday Night Lecture May 13th: Dr. Bill Orr — Lagerstätten! Credit: Wolfgang Poguntke https://www.gsoc.org/field-trips/2016/6/11/eastern-columbia-river-gorge-field-trip-full monthly 0.5 2017-11-11 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1459226120609-H6G8QYH6GH4RASRXJ1P5/image-asset.png Old Calendar - Eastern Columbia River Gorge Field Trip https://www.gsoc.org/field-trips/2016/3/13/c4bsw8ix83z9onwjqyn7dyxen6j4y1 monthly 0.5 2016-07-12 https://www.gsoc.org/field-trips/2016/3/13/ym6jdmfi721r9eho9uxt8f426edcbh monthly 0.5 2016-04-09 https://www.gsoc.org/field-trips/2016/3/13/f monthly 0.5 2016-04-02 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1458890818052-DJ4JMVNSRS4DVWTGXIVL/image-asset.jpeg Old Calendar - Friday Night Lecture April 8th - Earthquake Culture: Why We Need One https://www.gsoc.org/field-trips/2016/1/20/dr-chris-goldfinger-earthquakes-and-the-cascadia-subduction-zone monthly 0.5 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1452837704886-UVS40IL3THB3YU3DSM03/image-asset.jpeg Old Calendar - Dr. Chris Goldfinger: Earthquakes and the Cascadia Subduction Zone https://www.gsoc.org/field-trips/2016/3/13/dr-alan-mix-to-speak-on-climate-tipping-points-at-annual-banquet monthly 0.5 2016-03-06 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1456112187869-ME4YCHKP7ID2D510MGNY/image-asset.jpeg Old Calendar - Dr. Alan Mix to Speak on Climate Tipping Points at Annual Banquet Credit: NASA Earth Observatory image by Jesse Allen and Robert Simmon, using data from NASA/GSFC/METI/ERSDAC/JAROS, https://www.gsoc.org/field-trips/2017/10/07/ancient-walls-2-a-geological-walking-tour-of-downtown-pdx-north-tour monthly 0.5 2018-01-09 https://www.gsoc.org/field-trips/2015/12/5/gsoc-board-meeting monthly 0.5 2015-11-30 https://www.gsoc.org/field-trips/2016/2/12/friday-night-lecture-feb-12th monthly 0.5 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1446009910167-CYJWOLR3G8Y1LOWK1TQL/image-asset.jpeg Old Calendar - Friday Night Lecture Feb. 12th https://www.gsoc.org/field-trips/2015/10/25/friday-night-lecture-jan-8th monthly 0.5 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1448212288159-V16JSDXTV86YQ0V71CWV/image-asset.png Old Calendar - Friday Night Lecture Jan 8th https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1448214649395-CKN1P3CYL5SJYWHM2IAH/image-asset.jpeg Old Calendar - Friday Night Lecture Jan 8th https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1445820108587-0B51HO2AZZ7GLPVV05DA/image-asset.jpeg Old Calendar - Friday Night Lecture Jan 8th https://www.gsoc.org/field-trips/2015/10/15/progress-of-the-ice-age-floods-national-geologic-trail monthly 0.5 2015-10-09 https://www.gsoc.org/field-trips/2015/11/19/salvage-paleontology-fossil-rescue-at-construction-sites monthly 0.5 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1444090937939-HKOKPLXLPQ7ND6ZYGABS/image-asset.png Old Calendar - Lecture on Salvage Paleontology: Fossil Rescue at Construction Sites https://www.gsoc.org/field-trips/2015/11/13/friday-night-lecture-nov-13th-dr-nancy-price monthly 0.5 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1443237455663-PLSBWNQO5TJK55KICEXL/image-asset.jpeg Old Calendar - Friday Night Lecture Nov 13th https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1443237411710-PGDZRENEQX8F9T9ZRA5U/image-asset.jpeg Old Calendar - Friday Night Lecture Nov 13th https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1445818499252-869UIFO5Z17J2TOC3G2R/image-asset.jpeg Old Calendar - Friday Night Lecture Nov 13th https://www.gsoc.org/field-trips/2015/10/10/board-meeting monthly 0.5 2015-09-10 https://www.gsoc.org/field-trips/2015/9/25/bob-hart-will-portray-father-of-oregon-geology-thomas-condon-at-yamhill-historical-event monthly 0.5 2015-09-10 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441918388378-94FXLFMSXQLZPDEZTL4C/image-asset.jpeg Old Calendar - Bob Hart Will Portray Father of Oregon Geology Thomas Condon at Yamhill Historical Event https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441918613725-GS64HZ7YEOTK1CLV1V8D/image-asset.jpeg Old Calendar - Bob Hart Will Portray Father of Oregon Geology Thomas Condon at Yamhill Historical Event https://www.gsoc.org/field-trips/2015/10/2/pacific-northwest-mega-earthquakes monthly 0.5 2015-09-03 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1440450872561-0C3WNYOGOCXEKLTAHQZ9/image-asset.png Old Calendar - Pacific Northwest Mega-Earthquakes https://www.gsoc.org/field-trips/2015/7/10/friday-night-lecture-july-10th monthly 0.5 2015-07-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435893653011-DYRHTYAAJRZ14HQ7W08B/image-asset.jpeg Old Calendar - Friday Night Lecture July 10th Conichalcite https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435893736886-VCNS31RCKBZPTBPNEMGB/image-asset.jpeg Old Calendar - Friday Night Lecture July 10th Rice Museum Executive Director Julian Gray https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1435893816746-W1YPWFUAXEG80KDISE0T/image-asset.jpeg Old Calendar - Friday Night Lecture July 10th https://www.gsoc.org/field-trips/2015/9/12/portland-geology-field-trip monthly 0.5 2015-09-10 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441265299697-C16ZVWD2U1RRA3AXMSXI/image-asset.png Old Calendar - Portland Geology by Tram, Train, and Streetcar https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1441262129902-IEUAZ8BKDZKQQVWMEM22/image-asset.jpeg Old Calendar - Portland Geology by Tram, Train, and Streetcar https://www.gsoc.org/field-trips/2015/8/2/annual-picnic-guy-talbot-state-parklatourell-falls monthly 0.5 2016-10-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1438091909009-SJNSYMFOEZNX2D9LDZXE/image-asset.jpeg Old Calendar - Annual Picnic Guy Talbot State Park/Latourell Falls https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1437683995642-6O8P5KGOQ96G2N3SL80R/image-asset.png Old Calendar - Annual Picnic Guy Talbot State Park/Latourell Falls Click to enlarge map detail https://www.gsoc.org/field-trips/2015/4/22/friday-night-lecture-may-8 monthly 0.5 2015-10-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1444369989796-BGP5T7HZMBVDWK75MA0A/image-asset.jpeg Old Calendar - Friday Night Lecture Oct 9 https://www.gsoc.org/field-trips/2015/4/3/before-the-lecture-join-us-for-dinner-at-pizzicato monthly 0.5 2018-01-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1428158316072-AYBEC9U85JV808FZGLR1/image-asset.jpeg Old Calendar - Before the Lecture: Join Us for Dinner at Pizzicato! https://www.gsoc.org/field-trips/2015/4/8/downtown-pdx-tour-organization-meeting-pre-run monthly 0.5 2015-04-03 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1428072704068-R0ZH525272B39YK8QF6D/image-asset.jpeg Old Calendar - Downtown PDX Tour Organization Meeting & Pre-run https://www.gsoc.org/field-trips/2015/4/11/board-meeting monthly 0.5 2015-04-03 https://www.gsoc.org/field-trips/2015/6/12/friday-night-lecture-june-12-vic-baker-university-of-arizona-the-geology-of-megafloods-earth-mars-and-beyond monthly 0.5 2015-06-11 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1433260080251-6GJY47DNGLTOUDJR317I/image-asset.jpeg Old Calendar - Friday Night Lecture June 12 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1431016363326-VKILDUAWJQH904F4YPS4/image-asset.jpeg Old Calendar - Friday Night Lecture June 12 https://www.gsoc.org/field-trips/2015/5/8/friday-night-lecture-may-8-may-8-alex-ruzicka-psu-geology-dept-meteorites-latest-hits monthly 0.5 2018-01-09 https://www.gsoc.org/field-trips/2017/6/24/downtown-geology-tour monthly 0.5 2018-01-09 https://www.gsoc.org/field-trips/2015/7/1/mt-hoodeliot-glacier-field-trip-to-be-scheduled-for-july monthly 0.5 2015-07-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1431754745738-0FA58SI79IRVJ1HWZZH5/image-asset.jpeg Old Calendar - Mt. Hood/Eliot Glacier Field Trip https://www.gsoc.org/field-trips/2015/3/12/friday-night-lecture-april-10 monthly 0.5 2015-04-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1428020957380-WQTNOLEZ3H7TPZTHBIL9/image-asset.jpeg Old Calendar - Friday Night Lecture April 10 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1428022897240-TN0Z5T3VGUCM0GI3RWBO/image-asset.jpeg Old Calendar - Friday Night Lecture April 10 https://www.gsoc.org/field-trips/2015/3/8/80th-annual-banquet-dr-tanya-atwater monthly 0.5 2015-03-07 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1425014405329-Q5TKTMCWJEANO0MUJPVR/image-asset.jpeg Old Calendar - Plate Tectonics Pioneer Dr. Tanya Atwater to Speak at Annual Banquet https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1424383463895-7ZKRCAUGRFRONNCVM6LW/image-asset.jpeg Old Calendar - Plate Tectonics Pioneer Dr. Tanya Atwater to Speak at Annual Banquet 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https://www.gsoc.org/blog-d/2017/3/8/standard-insurance-center monthly 0.5 2017-03-08 https://www.gsoc.org/blog-d/2017/3/8/public-services-building monthly 0.5 2017-03-08 https://www.gsoc.org/blog-d/2017/3/8/pacific-building monthly 0.5 2017-03-08 https://www.gsoc.org/blog-d/2017/3/3/apple-store monthly 0.5 2017-03-08 https://www.gsoc.org/blog-d/2015/5/19/pioneer-place-mall monthly 0.5 2017-03-11 https://www.gsoc.org/blog-d/category/Pioneer+Place+Mall monthly 0.5 https://www.gsoc.org/blog-d/tag/marble monthly 0.5 https://www.gsoc.org/blog-d/tag/sedimentary monthly 0.5 https://www.gsoc.org/blog-d/tag/limestone monthly 0.5 https://www.gsoc.org/blog-d/tag/granite monthly 0.5 https://www.gsoc.org/blog-d/tag/metamorphic monthly 0.5 https://www.gsoc.org/blog-d/tag/fossils monthly 0.5 https://www.gsoc.org/blog-d/tag/gneiss monthly 0.5 https://www.gsoc.org/downtownpdxvideo daily 0.75 2015-05-26 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Field Trip: Lava Flows and Accreted Terranes https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804037597-0XNVYPL7ZTNGXHCOCBCO/14263960_10208435294332739_3353579002556951198_n.jpg 2016 President's Trip - 2016 President's Field Trip: Lava Flows and Accreted Terranes https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804024507-4CXXRHCIEJR2IBB3SWQC/14257712_10209150380548176_3454877252630872567_o.jpg 2016 President's Trip - Landslide that happened last November at Arcadia Beach on the northern Oregon Coast. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804024762-17OO3X12PVFQKA3RYL0Y/14242247_10209150381908210_1349982513475665840_o.jpg 2016 President's Trip - Field trip leader, GSOC President Bo Nonn, posing next to some pillow basalts at Arcadia Beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804027905-ILK49MHUZU9JJZO51GJW/14289788_10209150391188442_8029663315303917483_o.jpg 2016 President's Trip - An abandoned section of very bad pavement (due to continuing landslide) on Hwy 101 north of Newport. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804027639-473BK386YDJ9D7HB1AV5/14311440_10209150392668479_6224067780038331929_o.jpg 2016 President's Trip - Elephant Rock at Seal Rock State Park just north of Waldport, Oregon. This represents Columbia River Basalt overlying older Yaquina Formation sediments. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804028071-ZJC39OYXMZH64D772UDI/14249722_10209150392988487_6358806541640897284_o.jpg 2016 President's Trip - GSOC group watches the rising waves at Cape Perpetua, then decides to go back to the cars as a large wave washes over the platform of basalt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804028527-KXD5QKZFAJ347YFAQBQ1/14249919_10209150397508600_3499630068960780836_o.jpg 2016 President's Trip - Our last stop on Day one is at the Darlingtonia Wayside, where we enjoyed seeing these carnivorous pitcher plants. Time to go get our dinners too. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804028680-K3B847H5O6L990Q0WTVL/14258332_10209150399828658_6813703537873596055_o.jpg 2016 President's Trip - On Sunset Bay, SW of Coos Bay, we viewed cliffs made up of Coaledo Formation. The layers are tilted sharply upward in the cliffs, & overlain w/Whiskey Run terrace of sandstone, 80' above sea level. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804036905-37HTS0E1ILGDY37UXZ53/14203196_10208435417975830_3545627309868021767_n.jpg 2016 President's Trip - In the foreground is the root system of a tree inundated the tsunami generated by Oregon's last subduction quake around 1700. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804029508-FIKF7F60GGFRCG1QMIFM/14257717_10209150409468899_1909246455945301880_o.jpg 2016 President's Trip - At Shore Acres, just to the south, we hiked up to the top of the terrace, where sandstone was sculpted into beautiful formations. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804029264-4J963R3SKW5T0TTEIE3A/14257461_10209150406948836_2389233483752895955_o.jpg 2016 President's Trip - Later, on the beach south of the Bandon jetty, we were examining rock outcrops and picking up nice pebbles, when we noticed someone had left this lovely sculpture. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804029655-2X5NA03OGMN5DXVRY7FN/14305238_10209150442309720_2464557932544658862_o.jpg 2016 President's Trip - Our last stop of the day was at Cape Blanco, where we hiked down to the beach to look at more cool rocks. In the blue shirt, second from right, is our leader for the day, Frank Hladky. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473807845057-L23VXG6DBQ0TJUJBKH0I/14241666_10209150444029763_4343276850930900211_o.jpg 2016 President's Trip - Our leader on Day 3 was Roger Brandt. He interpreted streamside boulders and cobbles for us. Here are layers of "sheeted dikes" from deep ocean crust. They form vertically, but have been tilted 90°. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804030399-K16BFUQ78MLBXW2DRJM0/14231310_10209150443029738_3423002690595290050_o.jpg 2016 President's Trip - Our first stop on Day Three was the middle fork of the Smith River in Northern California https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473808352629-MDP6LTD7NPEU47ZS6S2C/IMG_5299.jpg 2016 President's Trip - Up into the steep hills to find a beautiful outcrop of green serpentenite. Past President Sheila Alfsen helped to organize and lead parts of this trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804036217-EYT0XRJD57M6QD964CEY/14222198_10208435681902428_4365946619661934155_n.jpg 2016 President's Trip - It was a close call but we managed to escape Oregon's only carnivorous plant, Darlingtonia. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804034133-VDVTN3RB1X9YIRQAMTYQ/14258160_10209150445309795_1550948881334365109_o.jpg 2016 President's Trip - Most of the group, after touring the Oregon Caves. Sheila stayed at the lodge to give us a program afterwards. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804034922-KXVUQ2N7TUC5C6BRFZDX/14258219_10209150446509825_1897268776663080094_o.jpg 2016 President's Trip - Inside the cave, we photographed these signatures, beginning "Prof Thom. Condon," and listing his students. The signatures are about 125 years old, encased in a thin layer of calcite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804036357-E2EZ306XU3E537R8EK88/14324495_10209150447349846_536997526652297365_o.jpg 2016 President's Trip - It was really fun to explore the caves with our group. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804035211-UY51884S3ZDBOU9GZ1WG/14305451_10209150447909860_2699157636756025171_o.jpg 2016 President's Trip - Some of the group left after the cave tour to return to Portland. A hardy bunch continued south to Mount Ashland, where we had this view south of Mount Shasta. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473804035691-NGG9A65CC3BHHZ70E53H/14305203_10209150449269894_4351949070454629250_o.jpg 2016 President's Trip - An inclusion of pegmatite in the local granite outcrop. https://www.gsoc.org/newsletters-current daily 0.75 2026-02-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1770503381599-W8IFI32CPNVF467FFFOS/image-asset.png Annual Recap from 2020 with last one tagged "current' - 2025 Archive https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1473802902755-7ZIOKXB2ECGYVU2RZV5I/Screen+Shot+2016-09-13+at+2.29.05+PM.png Annual Recap from 2020 with last one tagged "current' - 2016 Sep-Oct https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1770503381599-W8IFI32CPNVF467FFFOS/image-asset.png Annual Recap from 2020 with last one tagged "current' - 2025 Archive https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1740009303133-UJG8PP0TFL5S0OHSEF61/2024+recap+thumbnail.jpg Annual Recap from 2020 with last one tagged "current' - 2024 Archive https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484433180-EMB6TDOBWIX0V06J3ILF/2023+archive+thumbnail.png Annual Recap from 2020 with last one tagged "current' - 2023 archive https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050943855-1I6DZSMCK8U6577KIFMV/2022+Recap+thumb.png Annual Recap from 2020 with last one tagged "current' - 2022 Archive https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1641795744298-EC3NFE2Z7I0IUC502RKZ/Screen+Shot+2022-01-09+at+10.19.43+PM.png Annual Recap from 2020 with last one tagged "current' - 2021 Archive https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1610381127774-AM38JCIZH27RSALCAPIU/GSOC-2020-Recap-thumb.png Annual Recap from 2020 with last one tagged "current' 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Johnson Creek Sequence - Johnson Creek Watershed Boundary https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495609063020-SXVNCPXAF0UEISIZDTPJ/complete-map-grey-watershed.gif Johnson Creek Sequence - Johnson Creek Watershed Boundary https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579013161-MCIM2G3V27HE6X1G9VMD/Bedrock-detail.gif Johnson Creek Sequence - Bedrock Basalt https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579070820-WIK22M7N5NED0NU6RFXB/Ancient-River-Rock-detail.gif Johnson Creek Sequence - Ancient River Rock https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579784205-HQECCHQWL3VQVLFOAE8N/Boring-detail-with-river-rock.gif Johnson Creek Sequence - Boring Volcanics https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579800963-Z1ETZ4LNDVGJ1FL0YK0N/Missoula-detail.gif Johnson Creek Sequence - Missoula Flood Deposits https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579888996-7D0NXUCOETHBQ30AH8VI/windblown-detail.gif Johnson Creek Sequence - Windblown Sediments https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579826084-3VZR8KB4VECYROYW6JPV/Alluvium-detail.gif Johnson Creek Sequence - Alluvium https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495579857969-RZH7RHZXB9EWA6D9C7ZP/Debris-flow-and-landslides-detail.gif Johnson Creek Sequence - Landslides and Debris Flows https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578835034-6DTDAT204Z24WQC7XNED/complete-map-grey.gif Johnson Creek Sequence https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578833750-AEG3QGM7Z062PJRYA94L/complete-map-grey-watershed.gif Johnson Creek Sequence - Johnson Creek Watershed Boundary https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578833455-P24ITOMRNVKYBYOBTBVD/complete-map-debris.gif Johnson Creek Sequence - Landslides and Debris Flows https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578831896-RQGVI684PJD8XDQUJWBV/complete-map-d-%26-alluvium.gif Johnson Creek Sequence - Alluvium https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578831813-BRV0NC586D89M2202ICU/complete-map-d%26a%26ws.gif Johnson Creek Sequence - Windblown Sediments https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578830227-J08PORYYE3N3KAVH4MKJ/complete-map-missoula.gif Johnson Creek Sequence - Missoula Flood Deposits https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578830122-Z7PNON1FY96R7W0YO96I/complete-map-boring.gif Johnson Creek Sequence - Boring Volcanics https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578828742-4EON62XDOY3XPKDVY6EX/complete-map-river-rock.gif Johnson Creek Sequence - Ancient River Rock https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1495578828552-4OW8R6EBTZYBQ8B75FPS/complete-map-bedrock.gif Johnson Creek Sequence - Bedrock Basalt https://www.gsoc.org/2017-mt-st-helens-helicopter-tour daily 0.75 2017-11-09 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189195488-MHTFXCV4LF6O70GZZHJK/Mt+St+Helens+helicopter+view.jpg 2017 Mt St Helens Helicopter Tour This view of the mountain and its volcanic crater clearly shows the central dome, the toe of the surrounding glacier (world’s fastest moving!), and red hydrothermally altered rock on Mt. St. Helens. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189195488-MHTFXCV4LF6O70GZZHJK/Mt+St+Helens+helicopter+view.jpg 2017 Mt St Helens Helicopter Tour This view of the mountain and its volcanic crater clearly shows the central dome, the toe of the surrounding glacier (world’s fastest moving!), and red hydrothermally altered rock on Mt. St. Helens. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510190545475-LPWDS3GRI04LS2OOG71I/Mt-St-Helens-helipad-edit.jpg 2017 Mt St Helens Helicopter Tour Takeoff from helipad from North Fork Survivors tourist compound. This is bigfoot country! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510190165046-UNKDS2XTWV53HURJEAV3/Mt+St+Helens+Toutle+River+view.jpg 2017 Mt St Helens Helicopter Tour On the way up the Toutle River, we cross a recently built sediment dam. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189196792-FXOFXYW33K6S6UHM3F6Y/Mt+St+Helens+lahar+view.jpg 2017 Mt St Helens Helicopter Tour Flying up the river we see that the most recent lahar passes through and has eroded past lahars. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189197975-SZ6713K9W3EC3MOYKNJL/Mt+St+Helens+Spirit+Lake+penninsula.jpg 2017 Mt St Helens Helicopter Tour Up at Spirit Lake we can see how high the lake sloshed up on this protruding peninsula. The landslide which initiated the eruption in 1980 was soon overtaken by the lateral pyroclastic blast, which leveled the trees on the peninsula before the landslide hit the lake. The sloshing dislodged the flattened trees and those are the logs you see floating in the lake today. So, the areas on the peninsula not covered with logs are where the lake sloshed. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189198051-27UJHDHAQ7PGD0UT739J/Mt+St+Helens+landslide+material.jpg 2017 Mt St Helens Helicopter Tour Looking up towards the mountain from Spirit Lake, one sees the landslide material which initiated the 1980 eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189198958-9VPMXOUJYXQJSCH82EL4/Mt+St+Helens+structure.jpg 2017 Mt St Helens Helicopter Tour Streams have made deep cuts in the Mt. St. Helens landslide. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189199040-0LEZIESU8M7L8Q7F77O5/Mt+St+Helens+hydrothermal.jpg 2017 Mt St Helens Helicopter Tour Cross sections through the structure of the mountain can be glimpsed from the helicopter. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510190190403-5WXV8EHGDQAN9AY62BNA/Mt+St+Helens+hydro+actually.jpg 2017 Mt St Helens Helicopter Tour Cross sections reveal hydrothermal alteration in the rocks. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189200132-JJRSCUXY25KE55A8TZVY/Mt+St+Helens+glacier.jpg 2017 Mt St Helens Helicopter Tour The glacier in the crater is sandwiched between the central cone, left, and the wall of the crater, right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189200450-9GVJRANAQQXBYQA8MBBO/Mt+St+Helens+recent+lahar+surface.jpg 2017 Mt St Helens Helicopter Tour Recent lahar surface shows progress of growth and channel working that have been happening since the 1980 eruption. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1510189200777-VJ4GK9KUQU3M4RRXF49K/Mt-St-Helens-group-photo-edit.jpg 2017 Mt St Helens Helicopter Tour The GSOC field trip group poses with pilot Robert. Left to right are Steve Haar, Cecily Cedilote, Sheila Alfsen, pilot Robert, kneeling, Charles Montross, Anne Oneill, kneeling, Carol Hasenberg, Yumei Wang. Bo Nonn also participated in the trip. https://www.gsoc.org/gsoc-lecture-preshow daily 0.75 2025-02-20 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420186448-TI1QECEOJBEYOH7HC9GD/GSOC+Pre-show+v2.001.jpeg old GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420185923-4N5A3UMXVB8D5GVEU8O3/GSOC+Pre-show+v2.002.jpeg old GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420188928-N06MW5GCSDMXFNZQDCUG/GSOC+Pre-show+v2.003.jpeg old GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420192828-SYXZB8OIXYWAXGW5VESD/GSOC+Pre-show+v2.004.jpeg old GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420195134-HF9ZET9KD4HK1UQHYPHC/GSOC+Pre-show+v2.005.jpeg old GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420196259-37N56LXHHH8CVX4RYUY7/GSOC+Pre-show+v2.006.jpeg old GSOC 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with a picture of the Buckhorn Overlook taken on May 18, 2019, when Evelyn Bennett, Julia Lanning and I did the reconnaissance for the Wallowa trip. We were directed up here by guest field trip leader Ellen Morris Bishop as this is the best overlook of the eastern canyons area for observing the ranks upon ranks of Columbia River Basalt flows that override the exotic terrane rocks of Hells Canyon, Imnaha Canyon and the Zumwalt Prairie through which we had travelled to get there. We are actually looking down into Imnaha Canyon here and Hells Canyon is just over on the other side of the last green ridge you can see. The blue ridge beyond is the eastern wall of Hells Canyon. (Photos by Carol Hasenberg unless otherwise marked.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557721384-4SVW8OBBDSRJCW88MKG5/GSOC_Wallowa+article_Page_01_Image_0001.png Wallowa 2019 - I’ll begin this article with a picture of the Buckhorn Overlook taken on May 18, 2019, when Evelyn Bennett, Julia Lanning and I did the reconnaissance for the Wallowa trip. We were directed up here by guest field trip leader Ellen Morris Bishop as this is the best overlook of the eastern canyons area for observing the ranks upon ranks of Columbia River Basalt flows that override the exotic terrane rocks of Hells Canyon, Imnaha Canyon and the Zumwalt Prairie through which we had travelled to get there. We are actually looking down into Imnaha Canyon here and Hells Canyon is just over on the other side of the last green ridge you can see. The blue ridge beyond is the eastern wall of Hells Canyon. (Photos by Carol Hasenberg unless otherwise marked.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565154982604-QG7SB8XHLV9DGKV5AFL6/GSOC_Wallowa+article_Page_01_Image_0001.png Wallowa 2019 - There are only two of the six formations of the Columbia River Basalt Group outcropping in the Hells Canyon and Wallowa area – the Imnaha below and the enormous Grande Ronde above. The lineation of the canyon walls reflects individual flows of each formation. The grassy bench in the lower portion of the canyon marks the top of the Imnaha. (Another reason that I’m showing this picture is to contrast this nice partly sunny day in May with the partly rainy and cold ‘Junuary’ day we got for the official trip. In fact, we did not plan to do Buckhorn on the first day of the field trip, but the weather forced us to rearrange the days a bit to save the nicer weather for the day of the hike.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557715942-6T2YPZL1F9ZHKFBSU9JI/GSOC_Wallowa+article_Page_02_Image_0001.png Wallowa 2019 - This shot shows the weather on June 20, 2019. A participant, Joyce Mills, is wrapped in winter gear to brave the 39-degree weather. The confluence of the Imnaha and the Snake occurs just to the left of the prominent ridge in the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557725946-BFK2Z518R6MBKKTG6K32/GSOC_Wallowa+article_Page_02_Image_0002.png Wallowa 2019 - On the way to Buckhorn the most prominent features in Zumwalt prairie are the Findley Buttes shown in the background of this shot taken at the Nature Conservancy Horned Lark trailhead. The buttes are shield volcanoes from the last of the Grande Ronde flows capping the prairie. Overlying the basalt are various late Miocene ash flow tuffs and windblown loess from the Ice Ages, giving the prairie features a soft, rounded appearance. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557734164-GU12EZDC7VCL6CQV8NAP/GSOC_Wallowa+article_Page_03_Image_0001.png Wallowa 2019 - Along the Zumwalt Prairie we also encountered a patchwork of low mounds with rocky drainages between them. These ‘biscuit scablands’ or ‘mima mounds’ are believed to have been sculpted by generations of pocket gophers, who frequently scurried across the path of the vehicles. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557746923-M4NUL6460ZBFYE6X0H2D/GSOC_Wallowa+article_Page_03_Image_0002.png Wallowa 2019 - In a couple of roadcuts the Grande Ronde basalt could be spotted on the prairie. Charlie Raymond poses by one of these. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557747905-3LRZWWTDOAPM1DA55EK1/GSOC_Wallowa+article_Page_04_Image_0001.png Wallowa 2019 - This closeup of the basalt at the roadcut shows the onion-peel characteristic of spheroidal weathering, and is not to be confused with pillow basalts. Pillow basalts form under water and exhibit radial cracking patterns. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557762993-6LD662XW3ZSPILYVL6JU/GSOC_Wallowa+article_Page_05_Image_0001.png Wallowa 2019 - The field trip guide for this part of the trip was photographer Dave Jensen (tan outfit in the center), who took the group to a grove which was an ancient camp of the Nez Perce tribe. The Nez Perce stripped bark from the trees to mark the camp site, which can be seen on the Ponderosa pines over Dave’s shoulder. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557764380-3RW9IE3NOAN4VWZJ1JIK/GSOC_Wallowa+article_Page_06_Image_0001.png Wallowa 2019 - Later that evening my car buddies Dawn Juliano, Larry Jordan and I went into downtown Enterprise to explore several buildings sheathed with Bowlby Stone. A tuffaceous material erupted during the Grande Ronde flows, Bowlby stone was a popular material because it cut easily when wetted. Larry hams it with the detective work. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557776844-45BA1MCHB0ET3ASOJ7QU/GSOC_Wallowa+article_Page_06_Image_0002.png Wallowa 2019 - Here is the money shot of the graceful Wallowa County Courthouse which is also sheathed in Bowlby stone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557784036-2JD44WOUU2CKUT74K5X7/GSOC_Wallowa+article_Page_07_Image_0001.png Wallowa 2019 - We also explored the difference in the “fake Bowlby stone”, or concrete made to resemble the color and texture of the real stuff. Concrete is on the left and real Bowlby stone is on the right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557785995-BJW31H2LH8Z25MDLSMDU/GSOC_Wallowa+article_Page_07_Image_0002.png Wallowa 2019 - Next day we organized our carpools to head into Hells Canyon. This drive was approximately 90 miles each way over twisty roads from Joseph. Stop 1 on Highway 350, just a few miles from Joseph, was a roadcut through a phreatic explosion of Grande Ronde basalt. The explosion was a result of water or mud mixing with the hot lava. Pelagonite was produced in the eruption, and it is characterized by the sulphurous yellow of the mineral limonite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557800123-595US96IGPRN3POHX8YQ/GSOC_Wallowa+article_Page_08_Image_0001.png Wallowa 2019 - About 40 miles into the drive we stopped at Hells Canyon Overlook. Also a bit of a misnomer, we are looking down a side canyon that terminates in Hells Canyon. In the closest ridge shown in the picture we see the CBRG. From the overlook we could also see folded swirls of the marble of the Martin Bridge Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557799198-RT61YHFWYUC9VJYO0U51/GSOC_Wallowa+article_Page_09_Image_0001.png Wallowa 2019 - Our first two stops in Hells Canyon were in the first five miles north of Copperfield on the Idaho side, where we viewed the greenstones of the Hunsaker Creek formation. These were formed when the ancestral volcanic rocks of the Wallowa Terrane, from the Permian period, metamorphosed under the pressure of the accretionary process. Bishop answers some questions from the participants. For you mineral buffs, in his book Islands and Rapids, Tracy Vallier describes the volcanic rocks of the Hunsaker Creek Formation as metamorphosed to the greenschist facies, changing the composition to keratophyre or quartz keratophyre, rich in the minerals quartz and albite with minor amounts of chlorite, epidote, and calcite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557819941-6PQ6XDX4XIVAOWJYJ0OA/GSOC_Wallowa+article_Page_10_Image_0001.png Wallowa 2019 - And here is a picture of a greenstone from the first stop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557812944-K30VMWPW8KMFEQXGIH4S/GSOC_Wallowa+article_Page_10_Image_0002.png Wallowa 2019 - Looking ahead at Hells Canyon stop 2 we see the swirls of a crag of the marbleized Triassic Martin Bridge Formation of the Wallowa Terrane. We stopped near there on the return from the canyon to observe some tiny fossil imprints still present in the rock, and cracked some samples open to smell the ‘petroliferous’, or oily-sulfurous smell still present therein from the decay of organic material in the original limestone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557824790-LVY4ICAE1T6WKS6EAVEB/GSOC_Wallowa+article_Page_11_Image_0001.png Wallowa 2019 - At the third stop we could also look across the Snake River to view some swirling strata of the Martin Bridge Formation on the Oregon side. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557826892-GODSEUH9GI48R6QASICG/GSOC_Wallowa+article_Page_12_Image_0001.png Wallowa 2019 - Clay Kelleher brought along his muriatic acid with which to test for limestone or other calcic rocks. Here it is doing its thing on the Martin Bridge marble. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557833569-T87CA6NGXL6F0JI81VXO/GSOC_Wallowa+article_Page_13_Image_0001.png Wallowa 2019 - This picture was taken of Ellen at the last stop before we reached Hells Canyon Dam, but darned if I can remember what the rock with the phenocrysts was about. I did not take notes at this stop. Tracy Vallier says that some flows and sills of the Wild Sheep Creek Formation have glomeroporphyritic textures and shows in the book Islands and Rapids a similar rock from a stop near Hells Canyon Dam. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557836461-AT98PIZZGFN2GK3YMXSN/GSOC_Wallowa+article_Page_14_Image_0001.png Wallowa 2019 - This shot shows the rugged character of the Wild Sheep Creek Formation outcrops near Hells Canyon Dam. The Triassic Wild Sheep Creek Formation is more mafic than the Permian volcanic strata of the Wallowa Terrane, and it forms the steepest cliffs of Hells Canyon. Its volcanic rock origins were basalts and andesites, from lava flows, pyroclastic rocks, and breccia from debris flows, and turbidites, intermingled with small amounts of limestone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557846461-NTGRYFGX42FDP1W9MCWG/GSOC_Wallowa+article_Page_14_Image_0002.png Wallowa 2019 - June McAtee took this awesome shot of the mountain goats cavorting near Hells Canyon Dam on the Wild Sheep Creek Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557850730-LV95WQ7ANJ6N6LMBGLEH/GSOC_Wallowa+article_Page_15_Image_0001.png Wallowa 2019 - Carole Miles poses near a boulder from the Martin Bridge Formation on the last stop before leaving the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557857533-RD08OIT5BWZGSK31OBW0/GSOC_Wallowa+article_Page_16_Image_0001.png Wallowa 2019 - This shot taken from the Black Point area showcases the rugged beauty of Hells Canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557872217-BZIG5WM92POFUZTZN0G3/GSOC_Wallowa+article_Page_16_Image_0002.png Wallowa 2019 - Third day of the trip began with a little drive from Joseph toward the Hurricane Creek trailhead. On the way up the group stopped at an outcrop of the ‘Lower Sedimentary Series’, sedimentary rocks somewhat older than the Martin Bridge Formation and forming the base of Chief Joseph Mountain. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557875608-I9L7NKQG2PA7FDTI127X/GSOC_Wallowa+article_Page_17_Image_0001.png Wallowa 2019 - From the trailhead, the field trip participants diverged into three groups for hiking. This is my ‘relaxed paced group.’ Woody English, Sheila Alfsen, Dawn Juliano, Jan Kessler, Carole Miles, I think that is Kitty Reed hiding behind Annie English, author Carol Hasenberg, and Bonnie Prange. None of us felt like endangering ourselves on the Falls Creek crossing, which was quite treacherous, so we hung out and looked at rocks in the creek bed and Kitty and Sheila led an impromptu learning session with those rocks. Then Jan Kessler, Carole Miles and I got brave and climbed the (slightly less) treacherous scree path to the falls on Falls Creek. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557890463-D8EBUYMS9BY4BDNF9X7J/GSOC_Wallowa+article_Page_17_Image_0002.png Wallowa 2019 - We were rewarded at the top of the Falls Creek path with this outstanding outcrop of Martin Bridge marble (and also the falls, not in the picture). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557893171-PYU7KMAVQ104J5O7M022/GSOC_Wallowa+article_Page_18_Image_0001.png Wallowa 2019 - After the hikers returned, we jumped into our cars and drove over to the next valley west, the Losteen River valley. Here we saw this impressive outcrop of Wallowa Batholith granodiorite at the Pole Bridge Picnic Area, where we had a little picnic. This most northerly tongue of the batholith is the most accessible view of 125-140-million-year-old rocks of the stitching plutons that mark the accretion of the Wallowa Terrane onto North America. During the picnic, the group had a lively discussion of why the moraines of the Wallowa River at the outlet from the Wallowa Mountains, which form Wallowa Lake, were so much bigger and more pronounced than those of the Losteen River, whose mountain valley is nearly straight and much longer than that of the Wallowa River. After much discussion, we covered parameters such as the steepness of the Wallowa River course vs. that of the Losteen, barriers to sediment transport, etc. Also I just thought of another reason – the hardness of the material the glaciers had to carve (i.e., the Wallowa Batholith vs. the sedimentary rocks of the Wallowa Terrane). Any takers? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557906798-UNMILN6QA8O94GFF3Z2L/GSOC_Wallowa+article_Page_19_Image_0001.png Wallowa 2019 - The final day of the field trip began on the terminal moraine from the glacier that created Wallowa Lake. Ellen used this portion of the trip to discuss the fragile ecology of the moraine bunch grass prairie – this area is one of the few remaining stands. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557907395-Q77T6GDG05Z3YY3EXBBB/GSOC_Wallowa+article_Page_20_Image_0001.png Wallowa 2019 - Ellen pointed out and described a number of native and invasive species in the prairie at the top of the moraine. The list included Great Basin wild rye, bunchgrass, buckwheat, pickoon, lupine, cheat grass, timothy, salsify and arnica. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557919156-NUTMPOHVEX8JLSJZJKTY/GSOC_Wallowa+article_Page_21_Image_0001.png Wallowa 2019 - Bunchgrass and native prairie species tend to mass in bunches, leaving space to develop a ‘biological crust’ in between comprised of slow growing moss and lichen. This protective barrier is easily disturbed by grazing animals. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557916769-DY8HHIGOKPDULC7RTCED/GSOC_Wallowa+article_Page_22_Image_0001.png Wallowa 2019 - Teresa Meyer and Barbara Stroud shown here plotting an article on the botany of the prairie. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557929192-5DF37HI40ZVD94TMNNB9/GSOC_Wallowa+article_Page_23_Image_0001.png Wallowa 2019 - Heading up the Wallawa Lake Tramway, one gets fabulous views of Wallowa lake and the lateral moraines which enclose it like great arms coming from the mountains. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557932369-VCCOYRYVV683XSBL8KC9/GSOC_Wallowa+article_Page_24_Image_0001.png Wallowa 2019 - The view at the top of Mt. Howard was not quite as spectacular on this day. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557936470-XAD4OBHR0LFWT226ST8T/GSOC_Wallowa+article_Page_24_Image_0002.png Wallowa 2019 - Field trip participants Dawn Juliano, Mary and Charlie Raymond, and Woody English chat with Dave Jensen (orange coat) while waiting for the clouds to lift. Photo by Annie English. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557951882-TVDMZ0IGA842SUF1AJFE/GSOC_Wallowa+article_Page_25_Image_0001.png Wallowa 2019 - Nevertheless Kitty Reed and I located ‘Bev’s favorite basalt’ as described to me by Larry Purchase. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557942692-9WNTVHPHGPG3LUQPWWO9/GSOC_Wallowa+article_Page_26_Image_0001.png Wallowa 2019 - Coming down, the clouds were even lower, but one could see the front of the Wallowa Mountains as defined by the Wallowa Fault. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557949069-FWDLMDAX1Y1SOS0QG5XH/GSOC_Wallowa+article_Page_26_Image_0002.png Wallowa 2019 - One could also see a spectacular CRBG dike sticking out of the side of East Peak, the next peak to the south of Mt. Howard. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557958242-XSYIVLVXNOVX3R72ZAJ6/GSOC_Wallowa+article_Page_27_Image_0001.png Wallowa 2019 - The sun finally set on the end of a fine trip to the Wallowas. https://www.gsoc.org/wallowa-flowers daily 0.75 2019-08-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851223-0KE50UNKK5J1FWVSL70Y/GSOC+Wallowa+flowers+article_Page_2_Image_0001.jpg Wallowa flowers - Deerhorn Clarkia https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851223-0KE50UNKK5J1FWVSL70Y/GSOC+Wallowa+flowers+article_Page_2_Image_0001.jpg Wallowa flowers - Deerhorn Clarkia https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851222-N7A6Z1WFFELWZ9AUJQMM/GSOC+Wallowa+flowers+article_Page_2_Image_0002.jpg Wallowa flowers - Mountain Ladies Slipper https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851616-U74HG4PH6CGMNLIA8J2Y/GSOC+Wallowa+flowers+article_Page_2_Image_0003.jpg Wallowa flowers - Calypso orchid https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851857-YTRBVK5YTR2LRJOKXA0X/GSOC+Wallowa+flowers+article_Page_2_Image_0004.jpg Wallowa flowers - Columbine https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233851767-NGPWT9QY46A1PYK7L5GB/GSOC+Wallowa+flowers+article_Page_3_Image_0001.jpg Wallowa flowers - Striped Coralroot https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233852000-1YR3BSSR9HIGDV211O0P/GSOC+Wallowa+flowers+article_Page_3_Image_0002.jpg Wallowa flowers - Scarlet Gilia https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233852535-7CM13FJOPMX5RPO484GN/GSOC+Wallowa+flowers+article_Page_3_Image_0003.jpg Wallowa flowers - Big Headed Clover https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233852658-GZ3ZWPHH0ZL5AZCZJRU4/GSOC+Wallowa+flowers+article_Page_3_Image_0004.jpg Wallowa flowers - Camas https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233853420-RTFN42G5CXVIXOUF2YAC/GSOC+Wallowa+flowers+article_Page_4_Image_0001.jpg Wallowa flowers - Salsify https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233853018-2ZSCJ9WT69HMP8S8NFOW/GSOC+Wallowa+flowers+article_Page_4_Image_0002.jpg Wallowa flowers - Buckwheat https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233855577-QWNRSIQXZIJOKZ3YQO3G/GSOC+Wallowa+flowers+article_Page_5_Image_0001.jpg Wallowa flowers - A riot of flowers carpet the Zumwalt Prairie with the Wallowa Mountains as a dramatic backdrop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565233855451-5207K8WL01BAK5402XZ3/GSOC+Wallowa+flowers+article_Page_6_Image_0001.jpg Wallowa flowers - A meadow near the Buckhorn Overlook explodes in flowery profusion. A Ponderosa pine adds a nice backdrop. https://www.gsoc.org/carols-eastern-washington-trip daily 0.75 2020-08-06 https://www.gsoc.org/carols-eastern-washington-trip/2020/8/18/day-7-of-the-2020-trip-to-eastern-washington monthly 0.5 2020-08-27 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597863113595-AQFUSLTF6987PP67675I/Day7overviewmaplabels.png Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Overview of Day 7. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864261560-PK7ZAEE0RJSJ5274FVLB/Day6Ellensburgmaplabels.png Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Map of Ellensburg. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864608000-5AOIEUZ7T4LZXLEAHQZJ/Day6CWU1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington CWU - Nick Zentner’s employer! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864609616-S20DVEFJLA1GJO6T6QJQ/Day6Ellen4.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Ellensburg Motel 6. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864609977-8T5190BV1DTHTIB3XPYC/Day6Ellen5.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington - Nearly empty parking lot at Motel 6. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864608981-EU3B1FMHRACPMGUEG8TC/Day6Ellen3.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Dinner at Campus U-Tote-Em. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864609182-AEJRBGFKNWXUDC3OMYRG/Day6Ellen2.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Dog walk in Rotary Park - a nice facility of play fields near Motel 6. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597864608101-NKBFO1YNVP7R0BBKB638/Day6Ellen1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington No trip to Ellensburg would be complete without a visit to Vinman’s bakery! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878507953-RK242GEAIQ34PSIU0VGN/Day7YakimaCanyonmap.png Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Map of the Yakima River Canyon showing its meandering character. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875964998-WP12AWSYTU9EVEQL7J45/Day7Yak1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington As sweet of an example of the angle of repose that you will find. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875965209-4BU8DCN4QMV7YZE6QKYA/Day7Yak2.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Some sediments from a previous landslide? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875966335-OWR8R5J1V6OIGP23ELCY/Day7Yak3.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington This shot shows the vertical “scratch marks” made from falling entablature bits according to Zentner. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875966743-8AAFFGY5L0XMMBF6VILB/Day7Yak4.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington I believe the light colored deposit here is a bit of the Ellensburg Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875967168-WHF6MVF4RWLQH2PC7SJ6/Day7Yak5.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington A shot of a landslide in difficult lighting turned out pretty cool. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875968538-VC0DR2FEAMOOW5NH5SGR/Day7Yak6.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington There are some steep cliffs cut by the river in the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875968666-14MXP5Y4TB1KFN15VUOZ/Day7Yak7.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington The river and the train snakes around a resistant, steep sided section of basalt. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597876130013-WWTVZMNC3M8I40HXBA1E/Day7Yak10.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington View of the white ash layer along the river. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597875970269-OKEKEPCAYBDFTNX9L5AG/Day7Yak8.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington I’m wondering if this might be another piece of the Ellensburg Formation. It’s much further south than the previous shot. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878656074-RP1IIDEIGK3T2F53QG2I/Day7Stone1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Driving to the Stonehenge Memorial https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597880267955-496AYBHQF17EX1ENAVNH/Day7Stone2.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878656377-N881K3IS4ZKK44X19FHD/Day7Stone3.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Looking west from Stonehenge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878657171-ERSHWJWMLSJG0MAAM7BY/Day7Stone4.JPG Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878657525-8E9WCNGQ128MIT4K6S6G/Day7Stone5.JPG Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Looking southeast from Stonehenge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878649262-DHU9I22HU75XL1D825LG/Day7Celilo1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Looking west from Wishram Heights https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878649126-YJEN5V62ZMLVD4PKIX92/Day7Celilo2.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Looking southeast from Wishram Heights https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878650423-HUS63JG0Y883JHT1MEBB/Day7Celilo3.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878652155-CL0QP7DHFY70MA8WWYPJ/Day7Horse1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878653481-1ZEXIPEPY07UNYCS92DJ/Day7Horse2.JPG Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Having a bad hair day at Horsethief Butte https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597878654820-OFPYA1HETPSC3GWA60D5/Day7Horse3.JPG Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington Looking towards home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597887983031-KSTJYTWNCS3ME43ZXG7C/Rock1.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597887982901-Y6MVKGSWJQKD9BMU2Q89/Rock2.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597887983882-3ABETDQJEPD55F3TOL88/Rock3.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597887984024-LJ0I4Z9JK2F5OB25BNSU/Rock4.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597887985010-E6OEIKRJB3GH9ZKP2WUN/Rock5.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597887985290-CXLHIQ9TVGVM5X2UDNSV/Rock6.jpg Carol's Eastern Washington Trip - Day 7 of the 2020 trip to Eastern Washington https://www.gsoc.org/carols-eastern-washington-trip/2020/8/17/day-6-of-the-2020-trip-to-eastern-washington monthly 0.5 2020-10-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597604374672-QIYTRUC7KC3WO88IM7KU/Day6overviewmaplabels.png Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Overview of Day 6. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597642975884-XWO74XRSQ85CMLCDA7SM/WashTerraneMap.png Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Washington Terrane Map. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597647441192-TYRTZDK13HOSMZVJXRP3/Day6Iciclegeomaplabels.png Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Icicle Gorge geology map, from USGS published “Geologic Map of the Chelan 30-minute by 60-minute Quadrangle, Washington” by Tabor et al. Click to enlarge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597642793420-A2HWJBU3OITTUSFGFOD0/Day6DetailmapofMtStuartLeavenworthlabels.png Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Detailed map of several stops of Day 6. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597638402915-E2QBGBID7I9F6LXL6J27/Day6PeshastinPinnaclesmaplabels.png Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Satellite view of Peshastin Pinnacles showing sandstone ridges as layers of sediment of the Chumstick Formation, which filled the Chiwaukum graben 49 to 45 Ma. The dip, or angle of the surface of the layers with the horizontal, is very high, as they are nearly vertical. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597687621536-FSU47A3F777VXYFQU341/Day6Chum1.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington The road (US 2 and 97) to Cashmere with the buff colored hills of the Chumstick Formation in the distance. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597687621846-4KMFQGJ9DIRRB6X770IK/Day6Chum2.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington At the Pinnacles entry, I look southwest to Mt. Stuart area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597687623011-027P89HLZ1W79PRZCBL3/Day6Chum3.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Shut out of the Peshastin Pinnacles. Photo from the access road. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597687623355-8I4XXJD9R2SMMTQYOVWU/Day6Chum4.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington More Chumstick hills. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597702560739-EQOR1UYPA76R1KC03ZEU/Day6Ice4.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Trail map of the Icicle Gorge Trails. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701205128-XMMOJQVFWGNKNDC0N1UM/Day6Ice1.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Driving up Icicle Gorge, a mass of Mt. Stuart Granite (the left-hand, tonalite/diorite side). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701205040-2534VDALYR6D4U6Y9CF7/Day6Ice2.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Same stop, the road and a mass of Mt. Stuart Granite on the right-hand side (diorite and gabbro). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701206478-LWSQGMS1U33HSYZZ0CAS/Day6Ice3.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Some more of that diorite and gabbro. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701206608-AHYVHYBGJ4RZGIDPWQHE/Day6Ice6.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington The Chiwaukum Schist is “cut by dikes and sills of light’colored biotite tonalite and pegmatite.” https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701207674-X2ERM6JQF6RHYSIJBBP2/Day6Ice7.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Schist outcropping along Icicle Creek. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701210597-8A446K2AMJTHNL2RGK3G/Day6Ice8.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Stream split section at Rock Island Campground reunites in a lovely swimming hole. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701208402-XBVZHKN2PASP6E7ZUUIT/Day6Ice9.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Lucy grabs a drink at Rock Island Campground. At 90 F, it is cooler in the mountains but not that cool! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701209347-B08PK0T7GQM8CMAC5F6F/Day6Ice10.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Mt. Stuart Granite boulder along the path. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701211080-HZKO2PUSLV8KSKQXXENC/Day6Ice11.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Boulders in the stream. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701211913-XVYGEEKC3RKCFLVJH6T6/Day6Ice12.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington A log bridge is founded on streamside boulders. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701212921-PY7UNEDB0KBMLHZ0O0XE/Day6Ice13.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington An info plaque told us we’d be seeing trees worked by woodpeckers. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701213714-0ORUC9ZCMIW0XX6RD5LT/Day6Ice14.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Massive character of the Chiwaukum Schist. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597701214602-IBRRZOYXL1XI0ATXC3KB/Day6Ice15.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington The interesting texture of the Chiwaukum Schist. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597704780067-BERBM0X3S9PGFAN9ZI1M/Day6Leav1.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597704852451-9VBNUQJ97OVOG3DIYZS8/Day6Leav2.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597707317178-INWJ6LHS85R4Y1BTB289/Day6Serpentinite.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington A sad little piece of serpentinite from the roadcut, which had a lot of weathered material. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597707319014-J2AUIH53BFOAVE39OW90/Day6Swaukroadcut.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Swauk formation shows sandstone cross bedding. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597707313603-IZAWW68KXADVD93BH4UF/Day6Liberty1.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington The little mine along the road in Liberty area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597707313288-6Y0OIX6ZOJWCNPOFELHI/Day6Liberty2.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Does this pile qualify as mine tailings? Not sure, but this was in Liberty. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597707318618-7W51XYQ88WENTSBQLOV8/Day6NickLibertyGold.png Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Nick’s explanation of Liberty gold origins. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597707790141-3BTO6OPTVJOAQLR8BIN5/Day6Thorp.jpg Carol's Eastern Washington Trip - Day 6 of the 2020 trip to Eastern Washington Is this a hill we passed on our race to Ellensburg made of Thorp gravel? (Former Yakima riverbed) We may never know! https://www.gsoc.org/carols-eastern-washington-trip/2020/8/17/day-5-of-the-2020-trip-to-eastern-washington monthly 0.5 2020-08-20 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597565303991-LYNLI3MD2DCY7RL6KU4Y/Day5overviewmaplabels.png Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Overview of Day 5. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597549924943-V4WNOIGYW7UF00U737EC/Day5daybreak.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington It’s a new day dawning at Alta Lake SP. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597550065337-VDGII8I6PSEAVXBQRP3Y/Day5Altavalley.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Looking south down Alta Lake valley. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597550065614-FR4KA2FAQY99F7O761J6/Day5outwash2.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Glacial outwash along the road south. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597550067518-0775IYAAQ9F73RTQ1PG1/Day5Tonalitewbasaltdikes.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Miller & Cowan describe this as “basaltic dikes cut tonalite” between Alta Lake and Lake Chelan. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597550067319-L4TYSC0EH2THAMQ4M2L8/Day5Tonalitewall.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Another nearby roadcut looks like there might be some migmatite and tonalite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597550479321-TK0J6ZGASJD21BUJHBKY/Day5LakeChelan.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington …and then we arrived at Lake Chelan. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597551138057-V487H07QK6RA337TA50J/Day5LakeChelanSP.JPG Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Lucy and I at Lake Chelan SP. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561301376-VXROF3PWPXILTOIUBQXR/Day5LakeChelanmigmatitewall.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Migmatite roadcut of the Chelan Complex. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561302777-ADCDJ1YQMCG007TZH8WF/Day5LCmig2.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Closeup of migmatite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561302996-ULLTS4R8P0LNEO71U3EE/Day5LCmig3.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Migmatite roadcut at the bottom of the hill. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561304135-1N57SZAJDW1DXRYPQMH1/Day5LCmig4.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Another migmatite closeup. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561300522-UMFEZ9GFYM4LHQAFVXAS/Day5Entiatpluton.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Wall of tonalite from the Entiat pluton taken from across the Columbia at Daroga SP. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561381938-J9GJPAT96P51LV46LORP/Day5SBG1.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Swakane Biotite Gneiss. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561381805-IL2A9KTO4MVDRPDYXONS/Day5TurtleIsland.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington Another shot of Swakane Biotite Gneiss with Turtle Island in the background. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561300233-EV2AY0G04ERA45JFPI8A/Day5GreatTerrace.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington The Great Terrace from across the river just south of the grade up to Chelan. This is an ancient alluvial deposit of the Columbia River. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597561301508-2A9D0QPIL2I4BYSZZ6I8/Day5LandslidenearChelan.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington I have not seen a description of these rocks in my references but they appear to be slump blocks or glacial droppings of migmatite. They were located near the outlet of Knapp Coulee which takes you up to Chelan. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597563364369-J7VLPJP46ZM3C64TD4FY/Day5Chelansunset.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597563364224-RO3JLJI7RF7F803NQQ2F/Day5Chelanafterglow.jpg Carol's Eastern Washington Trip - Day 5 of the 2020 trip to Eastern Washington https://www.gsoc.org/carols-eastern-washington-trip/2020/8/13/day-4-of-the-2020-trip-to-eastern-washington-trc5s monthly 0.5 2020-08-27 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597378925767-3LGSRF3ZEFH7FXXE170X/Day4overviewmaplabels.png Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Overview of Day 4. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597427720197-MLJOACHY5ORHKON0VLSY/Day4GCstop1.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Our first stop in the Grand Coulee was near the south end of Lake Lenore. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597456977641-TMUGZ9IKYEKPWT15N2Y7/Day4LakeLenoreentry.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington - Lake Lenore Caves Discover Pass Required! Typical of many sites on this trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597456978727-44SZIRYJLS8HT1JBISWM/Day4LakeLenoregoingup.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington On the way up, we can see hanging valleys on the vertical walls of the west side of the coulee. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597456978867-UE7D11WMA9A2EYS68UFU/Day4LakeLenoreJohncave1.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington John inspects one of the smaller caves. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597456980238-AHDAF1Z29ICRKR7Z795L/Day4LakeLenoreJohncave2.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington John in the biggest cave. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597456980614-I5FA28RSZ4DZ5A1A9R0I/Day4LakeLenoretablet2.JPG Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597456977641-1TKH8Y7TH95K2QOQF2Q6/Day4LakeLenoreCavesview.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington The view from the caves to Lake Lenore, which would have been deeper just after the Ice Age. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597457506909-V7TZGLOR9LXNO2DMY46D/Day4GCMonoclineLL.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington The remnants of the cross section of the Grand Coulee in Lake Lenore shows the outline of the monocline, which was the weakness exploited by the Ice Age Floods to develop a coulee along the breadth of the feature. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597457740920-O4ZX8UE2UE650E2DCSZT/Day4GCMonoclineDF.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Driving up the west wall of the Grand Coulee towards Dry Falls, one can see further evidence of the monocline. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597458102729-7YCFRF3NTU74G8K54WE3/Day4DryFallspano.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Dry Falls from the overlook. It’s no wonder that J Harlen Bretz could see that massive amounts of water had come through here. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597462465722-BN2L753QCSO354P1U7VF/Day4JHarlenBretz.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington No wonder also that at Dry Falls you will find the commemorative plaque honoring the work and insight of J Harlen Bretz. Click on the pic to enlarge and read the plaque. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597464457847-TTDGEPPLJK53X65VMR8C/Day4Steamboat.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Steamboat Rock, a flood survivor, sits in the middle of Banks Lake. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597464992936-WZ9ECMJOZXF4OZNK1YF3/Day4Metamorphic.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Lovely Cretaceous granodiorite makes a nice contrast with “The German Chocolate Cake.” https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597465718540-RZIEDUDQKQEWEUXLXITB/Day4GCDampano.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Grand Coulee Dam from the viewpoint. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597467856008-HYJV3UIWKRIHUO0FNH0I/Day4Hwy174moraine.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Glacial moraine along Hwy 174 to Bridgeport. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597528316086-TIC4F6ACB2Q5UMFHT4E1/Day4Paterosoutwash.JPG Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Glacial outwash terrace in Pateros. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597528316689-RSTVSYG8F0WS59ML9LXK/Day4Paterosoutwash2.JPG Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Glacial outwash terrace in Pateros. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597528316158-CXSQMZJEHPMX0UO3EEAA/Day4OutwashbyAltaLake.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Glacial outwash screens Alta Lake valley from the Columbia River Valley. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597528428470-A4EV6DH0BOWZ27MP4N1G/Day4AltaLakemaplabels.png Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Alta Lake area map. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597528428539-WH37DLID3EY54C30MGD0/Day4AltaLakepicnic.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Cool picnic spot at Alta Lake. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597528427121-88EUOR3EUOJNQLUP0RZG/Day4AltaLakecamp.jpg Carol's Eastern Washington Trip - Day 4 of the 2020 trip to Eastern Washington Our campsite in the Ponderosa Pines at Alta Lake. The alpenglow lights up the enclosing hills to the east. https://www.gsoc.org/carols-eastern-washington-trip/2020/8/5/day-3-of-the-2020-trip-to-eastern-washington-7x6ch monthly 0.5 2020-10-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597257353110-3H1RTWQIY461Q1O2KT5I/Day3overviewmaplabels.png Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Day 3 overview map https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1598143203863-DY3GUF1RO5PHWLQRK6NT/Day3EphrataFan2.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Boulders spewed out in the Ephrata fan. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597258150296-NO6OZG6N8589TK6JV6KA/Day3WestBarview.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington West Bar overlook at Trinidad - there’s no way to show the scale of this scene from a picture on the web. The giant ripples on West Bar were made by the last Ice Age Flood to surge down the Columbia, and not the stronger larger earlier floods. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597259139516-EK65UKBC4GB90F0AIJ59/Day3WestBaroverlookmaplabels.png Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Detail map of West Bar overlook. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597259784378-CK6W3V9SHCXML09J1GF1/Day3JudithPoolmaplabels.png Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Map to Judith Pool trail in Potholes Coulee. The only sign marking this trail was a punched metal sign which said “Ancient Lake Trail” by the gate. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597291450850-TUXT8U1D2BJMXMT3DXNL/Day3JudithPoolstart.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Lucy and I are ready to go! Included in this shot is the only sign identifying the trail, and “Ancient Lake Trail” is a misnomer because the Upper Ancient Lake trailhead is actually about a mile down the road. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597291680816-GFQQ67JZMOYG8LRRTDSY/Day3JudithPooldiatomite.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington The old diatomite diggings with Lucy for scale. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597291753827-GQHZNLNOMOM4O4DJJNJQ/Day3JudithPoolpano.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Left to right: Judith Pool, outlet falls over Roza columns, Ancient Lake Basin, Potholes Coulee. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1598143285396-E712CA7D692SAFF2X5WT/Day3JudithPoolJohnandfalls2.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Closer view of the outlet falls with John for scale. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597291981502-ZYM2PSUHRGYF5DOF8TF8/Day3LunchatGeorge.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington George, Washington has a beautifully irrigated city park where we stopped for lunch. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597293883345-1RIEZW5PQ6BAZDBYFZYM/Day3FrenchmanCouleeJohnoverlook.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Once again, it’s really hard to capture the scale of the landscape with a photo, but here’s my attempt with a photo of John looking down Frenchman Coulee. What a waterfall it must have been! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597295072275-3FK3L1C8UJODR3UB2XFX/Day3Frenchmanfeathers.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington The 'Feathers' from the parking lot. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597295110686-KDWI4T68WKF824BDWAPX/Day3Frenchmanmeandfeathers.JPG Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington This is what it was like passing through the crack between the ‘Feathers’. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597298633414-U7EX0AQJXPNZUVEAHCPY/Day3Overlookfault.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Upriver view of the cliffs on the west side of the Columbia River. It looks like the valley cleaving the cliffs is taking advantage of an area weakened by the abrupt increase in dip in the cliffs to the north of the gap, a cross-section through the Frenchman Hills Anticline. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597298822269-LUNNC0945HPRD2CJN1W1/Day3SentinelGap.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Downriver view of the I-90 bridge at Vantage and the Sentinel Gap beyond. Nick fans, which came first, the Saddle Mountains or the Columbia River? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1598143317797-XPGLYW0RUZKC8P0KOJOZ/Day3GinkgoGeoBeckShrine2.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Homage to Professor George W. Beck. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597352454371-8M7LMHJZBSN2FOKK5RME/Day3Ginkgostump.jpg Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Lucy inspecting the caged stumps. What the?!? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597353150822-GC8YYTW1H1AIHOUQJ2SK/Day3Potholesevening.JPG Carol's Eastern Washington Trip - Day 3 of the 2020 trip to Eastern Washington Lucy is happier in this scenario, and so are we! https://www.gsoc.org/carols-eastern-washington-trip/2020/8/5/day-2-of-the-2020-trip-to-eastern-washington monthly 0.5 2020-08-27 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597120343532-15DHKJJ3ELH64TT8LULC/Day2overviewmap.png Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Day 2 overview map https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597125187803-SA6ET2YI0VZZWRDRX9Z8/Day2Palousepano.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington My birthday present - a trip to Palouse Falls. Better than hearing that Beatles song! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597125357925-7KYV4YA3U5OYZQIXP97N/Day2LyonsFyscene.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Looking up the Palouse River from Lyons Ferry Park. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597125450107-SSPATXE7L7MOA7O44IX1/Day2DevilsCanyonpano.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Looking up Devils Canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597991830611-OXNGBH5FBQVP5Z3ZL7LK/Day2colonade2.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Fanciful colonade at Devils Canyon. Click to enlarge. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597125565709-6VPRQ3C8SWYQ27ZYDHM2/Day2Windustmap.png Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Detail map of Kahlotus, Devils Canyon and Windust area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597125635725-PM9GR2M4I1E73C6P4227/Day2DevilsCanyonintercanyon.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Interlaced fan-shaped jointing patterns in the basalt in Devils Canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597125978338-ZLXOVHKYBKL89GWRM0WW/Day2Windustripples.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Giant ripples in the gravel bar across the Snake River from Windust. Below the eroded face of the ripples you can see the cars of a passing train for scale. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597181034803-H88LE3DNPO5M0F4MCS8I/Day2HanfordReachturnaround.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Hanford Reach just seemed too hot today. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597181100561-46DZB0JGY52VGMT6EZ1L/Day2RicasFrutaletas.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Ricas Frutaletas & Ice Cream treats in Othello - highly recommended! https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597991565784-NRJJKSVF7NXNU6Y3HFY2/Day2Drumheller2.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington Drumheller Channels scene. Click to enlarge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597181699115-8JX10IG81F2AHM5IRK4X/Day2Potholescamp.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597181707282-SQC89S05X7C4YWI71BPH/Day2Potholesboatramp.jpg Carol's Eastern Washington Trip - Day 2 of the 2020 trip to Eastern Washington https://www.gsoc.org/carols-eastern-washington-trip/2020/8/5/day-1-of-the-2020-trip-to-eastern-washington monthly 0.5 2020-10-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596687710677-J68Y5SGEGYQ15PTKEAJQ/Day1map.png Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington Overview of Day 1. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596688396348-5CGMTFZVVM6ZRNOK1B2H/Day1TwinSis.png Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596688683959-MUME160JCS0Q8Z58BQ48/Day1JohnandLucyTwinSis.jpg Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington My sidekicks on the trip, husband John and Lucy the Australian shepherd, posing in front of the Twin Sisters. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596689164302-NV3429H35NV3W8DWP0V7/Day1WallulaGappano.jpg Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington Panorama of Wallula Gap from the bluff near Twin Sisters. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596689215834-XRAD5OXM60U5MCNH9Z0D/Day1detailmap.png Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington Closeup of the route from Wallula Gap to Lewis & Clark SP. Can you tell which way the water flowed during the Ice Age Floods? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596690425269-BWLR0U4X1HA180QEK009/Day1Touchetbedscloseup.jpg Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington My closeup of the Gardena bluffs and the Touchet beds. How many can you count? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596690489006-0P2PP50E6A513VUT5NSE/Day1Loessoncar.JPG Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington The car got caked with loess while we looked at the Touchet beds. Fortunately there were lots of car wash emporiums in Walla Walla, just down the road. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596690967255-HXDT6E94IYKRIOY86TSN/Day1Touchet.png Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington Map of where we viewed the beds in relation to the town and US 12. You might also be able to approach from the south side of the river, or on a boat. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1596691460415-E1BLK0RP53JPJKP2U5DH/Day1Touchetbedimage.JPG Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington This digital zoom from the iPhone is also a bit disappointing, but you get the idea. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1597117621927-TYBTMN4J3C6GFKQXNOYO/Friday+July+23+forecast.PNG Carol's Eastern Washington Trip - Day 1 of the 2020 trip to Eastern Washington Friday July 24 weather forecast. https://www.gsoc.org/videos daily 0.75 2026-03-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1774505757983-VD3F09Y2IWFO862QZ8BF/image-asset.jpeg Videos - Portland Geology: How It All Began, Dr. Scott Burns 3.22.26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1774505757983-VD3F09Y2IWFO862QZ8BF/image-asset.jpeg Videos - Portland Geology: How It All Began, Dr. Scott Burns 3.22.26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1683955631502-TBFR0WXWHJZBDYK9BW3L/image-asset.jpeg Videos - Assembling the Northwest: a roadside view of Oregon and Washington Geology - Dr. Marli Miller https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1773457305006-0C9PIC00JPEOU6EKL1E7/image-asset.jpeg Videos - Peatlands, Venus, & Paisley Hills Statigraphy 2.26.2026 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1771529218331-EOMC3UKQ4WMQ426PNQG3/image-asset.jpeg Videos - Re-evaluating the Cascadia Quake, John Beaulieu Former State Geologist 2.9.2026 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1770850544810-M0YC57KVNRSC44ON0UYW/image-asset.jpeg Videos - Indigenous Issues, Karst, & Obsidian Sourcing 1.26.20026 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1769471114465-79SVVDJZWM92SXNPVYSD/image-asset.jpeg Videos - Using Multitemporal Lidar to Better Understand Landslide and Debris Flow Hazards in Western Oregon 1.9.2026 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1766267520743-31P8B2R14RLO2S43517M/image-asset.jpeg Videos - Critical Minerals & Active Faults near Mt. 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Oklahoma Fault Research & Umatilla Groundwater Modeling Andrew Dunning discusses a recent research trip to Oklahoma and Kate Ely presents a conceptual model of groundwater in the Umatilla Indian Reservation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1657343824435-4BDXA27VUITO7670JLZA/image-asset.jpeg Videos - Earthquakes & Glacial Paleoseismology of the Strawberry Mountains: Andrew Dunning Lecture https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1656562093080-S7LZJ86QOI7U7AIKIDHJ/image-asset.jpeg Videos - Geology Talk: British Columbia Geology and Hot Springs https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1654924557763-1BHSFQ25A9UFUJLP2HK8/image-asset.jpeg Videos - Cascade Volcanoes A Living Laboratory, Isaac Pope Lecture https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1653796592647-11C6RA5V7CNPR206NLDU/image-asset.jpeg Videos - Unraveling Tectonic History Using Underwater Volcanoes GEOLOGY TALK May 2020 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1652997390037-T5K156D3QZQU5WHON3CZ/image-asset.jpeg Videos - 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GSOC Lecture Mar 2022 Jason McClaughry Hidden Caldera Beneath the Harney Basin, and Volcano-Tectonic History of the Hood River Graben https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1616893530855-H599WL182R6DCXCZBJC4/image-asset.png Videos - GSOC Meetup Mar 2021: Shannon & John of Don't Panic Geocast https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1645915478626-GV4DA5HFQB8EF3NDN82B/image-asset.png Videos - Geology Talk Feb 2022 Dr Scott Burns Dr. Burns Geology News starts at 22:40 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1644743324095-3KB72U1PC4B48QNWB6YN/image-asset.jpeg Videos - GSOC Lecture Feb 2022 Dr Lydia Staisch https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600113590090-M7HVB3BYMLMJ8CJKYDFA/image-asset.octet-stream Videos https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1643105254580-UVZ2ROHBSSR3VP97BIZE/image-asset.jpeg Videos - GSOC Meetup Jan 2022 Geology News Dunning’s Geology News starts at 30:30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1642224407525-9TMEMW2HH4CJI1T1CEE2/image-asset.jpeg Videos - GSOC Lecture Jan 2022 Allison Pyrch https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1684048891736-C8UCJ97JKE7WX6RUN1T0/image-asset.jpeg Videos - Strawberry Volcanics & Geology News - GSOC Meetup Nov 2021 Rachel Sweeten, Strawberry Volcanics (6:37) Andrew Dunning, Geology News (53:08) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1636783185270-277DHGNQFCMV7RQ8LVEK/image-asset.jpeg Videos - GSOC Lecture Nov 2021: Ice Age Floods Trail, Dr, Scott Burns https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1635044409744-MY9QLZL5YEQ3E0FZBF97/image-asset.png Videos - Geology Talk Oct 2021 (Geology News starts at 48:00) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1635042743885-PQGYE7FI0ZRYQK72ZZET/image-asset.jpeg Videos - GSOC Lecture Oct 2021 Dr Andrew Meigs https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1635044581752-4AJDXRMQQCBX1QGU4FSG/image-asset.png Videos - OSBGE Geoscience Career Outreach October 2021 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1632641769396-NSKA4W5GGSJ9NQFCGOR8/image-asset.png Videos - Geology Talk Sept. 2021 (Geology News starts at 43:00) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1631859783962-SN3O1ZC96HS4N889J5DO/image-asset.png Videos - GSOC Lecture Sept 2021: 20 Scientists Who Inspired Dr. Bill Orr https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211959037-3445HH1EF4YK5NL5OVP6/image-asset.png Videos - Geology Talk Aug 2021 Our monthly zoom meetup: rocks from our Eastern Oregon and Coaledo field trips shown by Carol; “pull-apart basin” tectonics demonstrated by Sheila; video tour of amazing Port Townsend glacial sediments by Andrew. 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GSOC Lecture June 2021 Dr Emily Cahoon Sunstones https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1621835016010-3ZNO3FMEQ9HK09YM5EQJ/image-asset.jpeg Videos - Geology Talk May 2021 Geology News https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1621835404268-V19AWCLU0N7WPW94COHV/image-asset.png Videos - Geology Talk May 2021 Dr. Marli Miller https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1619298921170-JWC98OIFBL630BDJD8RS/image-asset.jpeg Videos - Geology Talk April 2021 Geology News https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1618032425300-CT1PCCPUWJAU0HLMQJPL/image-asset.jpeg Videos - Friday Lecture April 2021 Bruce Bjornstad https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1616985469731-RHMU9RVHG311KPDVKUHZ/image-asset.png Videos - Geology Talk Mar 2021: Shannon & John of Don't Panic Geocast https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1616041137251-VIXZCPU4F99XIWXBTHRN/image-asset.jpeg Videos - GSOC Lecture Mar 2021 Carrie Gordon: Crooked River Caldera https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1616041642966-EYMOR2Z9WWOBP4VQLD66/image-asset.jpeg Videos - Geology Talk Feb 2021: Geology News & Earthquake Preparedness https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1613198999704-QWPPNYB78ZZ65F54CV1D/image-asset.jpeg Videos - GSOC Lecture Feb 2021 Bill Burgel https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1611440494288-MHRELHN9ELGWCZKYWUQY/image-asset.jpeg Videos - Geology Talk Jan 2021: Dr. Bill Orr, Central Oregon Geoscience Society https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1610169904885-GYW4VBBWYZW7WGWY2SVT/image-asset.jpeg Videos - GSOC Lecture Jan 2021 Dave Taylor https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1610378032772-MX4H81MI2QOYRTXTIERL/image-asset.png Videos - AWG-PNW Meeting: Geomythology, Dr. Nikki Moore https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1610374796793-PR88PDFPY1RJREVGUMWN/image-asset.jpeg Videos - AWG New Zealand Geology Feb 2020 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1608417910501-PY0SDSQEK5IQJV41BULZ/image-asset.jpeg Videos - Geology Talk Dec 2020 Burns Dunning Alfsen https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1607795618737-1C3R9R3WSKXV1XZCQYQE/image-asset.jpeg Videos - David Williams, Stories in Stone Dec 2020 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1605996659213-16HE2D8DJ0ZCXTVEZ1DT/image-asset.jpeg Videos - Geology Talk Nov 2020 Andrew Dunning & Carol Hasenberg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1605345178761-BYIJDC3WC4CJ7B14KOO1/image-asset.jpeg Videos - Dr Anders Carlson Our Vanishing Glaciers https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1603841770013-4OD9FN7UD8TXNLUL4LZ5/image-asset.png Videos - Geology Talk Oct 2020 Dr. Emily Cahoon & Andrew Dunning https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602304840694-U12K74OL3FW18DZFB98E/image-asset.jpeg Videos - Dr. Ashley Streig: Paleoseismic Evidence for Holocene Earthquakes on Gales Creek Fault https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1602304888083-GHJOJPINEX2C7L14IH7T/image-asset.jpeg Videos - Geology Talk Sept 2020 Dr. Scott Burns, Andrew Dunning https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600113590105-AKN1556DQGZY2TF4UOKA/image-asset.jpeg Videos - Dr. Vic Baker: Outrageous Geological Hypothesis, Bretz and the the Spokane Flood Controversy https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115767152-HBHQHPWTTH8CN1RI3GN9/image-asset.jpeg Videos - Geology Talk August 2020: Geology News with Andrew Dunning and the GSOCers https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115429729-8A0AL17PVTUFWRJ1W00Z/image-asset.jpeg Videos - Oregon's Checkered Past, Dr. Bill Orr (AWG lecture) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115469113-LMY2ZRI074LUBD14AIHM/image-asset.jpeg Videos - Geology Talk: Behind the Scenes of Geologic Mapping, Chanel Thieme https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115495035-JRJRHXXT378IEUVTMMXZ/image-asset.jpeg Videos - Iceland, Land of Fire & Ice; Dr. Scott Burns, GSOC General Meeting: https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115519816-JP5E3HKOGQU41H8R9QIX/image-asset.jpeg Videos - Geology Talk May 2020: Death Valley Geology, Andrew Dunning https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115553549-JO2Q1F9WRW94O081NS86/image-asset.jpeg Videos - Fake Fossils, Dr. Bill Orr lecture https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115576198-QFS6T69Q9EFKCBPZJDBF/image-asset.jpeg Videos - Building Stone Geology lecture, Paul Edison-Lahm https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600115598764-GD2D6VU1H257S5653B84/image-asset.jpeg Videos - Geology Talk #1: Assembling Oregon Geology, Sheila Alfsen April 18 2020 " https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1600114899724-0F8JTDLG3WYT0ZGZQ3Z7/image-asset.jpeg Videos - Mt. St. Helens Then & Now, Sheila Alfsen, AWG https://www.gsoc.org/coaledo-field-trip-days daily 0.75 2021-08-28 https://www.gsoc.org/coaledo-field-trip-days/2021/8/28/day2 monthly 0.5 2021-08-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211374208-IIP5E37OC3FQPA497ZN7/Map+of+Cape+Arago+copy.png Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip - Make it stand out Map of the Cape Arago area showing the planned stops of Days 2 and 3. We deviated from the original plan, so I have just labeled the main features to orient the reader. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630212082853-QLTIID6QJ6A0BVZFE34G/Dr.+John+Armentrout.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Dr. John Armentrout begins the Coaledo story… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211659233-AZ57MZHJVW5W9EATM33D/IMG_5622.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip David Blackwell adds to the story… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211659998-VLL2VBOCUHD1BVU7GBO5/IMG_5628.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Sunset Bay primer…Middle Coaledo…parasequences of coarsening upwards material. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630212149012-2ESFBA1K0GXRY9QLRFLD/Marty1.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip We go to get our feet wet. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211660891-5VTYFS8F67EY1ODEW940/IMG_5635.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip One of the earlier parasequences of the Middle Coaledo contains more sandstone than the later parasequences. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211876156-NX7YWHWD4XYWBZLH3U23/_MG_2709.JPG Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip A different angle of the north cliff face. The horizontal layering at the top is the 80,000 year old Whiskey Run Terrace. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630212025359-DLZSLSBB94WJQR7FJ35W/PXL_20210813_154713968.MP.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip GSOC participants listen to John explaining the cyclical processes involved in creating the parasequences. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211661368-YN60EE53BP2VYD63H77H/IMG_5640.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Dave Blackwell discussing the strike-slip faults running through the bay. Each cove or bay in the Cape Arago headland was created by faulting. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211875914-5X17T0SJ48DN0G7URJS4/_MG_2706.JPG Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip The top of one of the parasequences is capped with resistant sandstone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211662332-Q4HJP3J20XD5DCFROVMF/IMG_5644.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John showing the group our present location on the huge clinoform system that includes the Coaledo Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211877382-3FDB0WQ6JRL0S6LIYH9V/_MG_2717.JPG Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip I’m waiting to see if anyone can tell me why John was pointing out this area on the north wall of Sunset Bay. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211664251-EL8E1XA7KM6HT0O88SD4/IMG_5647.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip The faults in the Sunset Bay terrace give themselves away with the line of broken boulders and offset displacement of layers. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211877021-WYXO08CH12770IBHNKHA/_MG_2712.JPG Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Looking across one of the fault lines to the south wall of the bay. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211878020-2K0YA6E403DX0W2QPERY/_MG_2718.JPG Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John points out the lineation of a dewatering point in the mudstone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630212025651-JEEQ6KHP84NPJD4FBP9O/PXL_20210813_161714848.MP.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Some of us were looking at the wildlife while the others were keying in on rocks. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211658580-HZXYALJ5124BS8JD5LZ2/IMG_2787.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip We didn’t get to see this feature this year, but Labor Day Weekend 2020 the ancient tree stumps were visible in the bay. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211666762-O5TKHVV39P0PPHULAST5/IMG_5654%28Edited%29.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John explaining syncline and anticline folding as the group looks out across the water to the westward dipping layers in Simpson Reef. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211666351-I7H4VPSGVMYQLM9FWA0N/IMG_5653.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip The cliff at Hidden Cove shows strata at the base of the Lower Coaledo. Darker rock at the base of the cliff is the Beds of Sacchi Beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211667919-E9IADMHFKXR3TKMHNYPD/IMG_5657.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip We arrive at the Cape Arago parking lot and John talks about the channel forms in the walls of the South Cove. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211655244-7U59YEWPVNIN3MH0SV48/IMG_0913.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip We didn’t go down to South Cove on this trip, but Sue and I went there spring 2020. My dog Lucy is shown for scale. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255341413-1EFPMB6JJ39KCTSLLX5A/IMG_0906.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Lucy standing on an interesting South Cove sandstone outcrop riddled with trace fossils? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211669344-Z5S5KIMUI93HMWV72YHK/IMG_5659.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip The group descends onto the North Cove beach. This area is only accessible half of the year due to the breeding season of its resident sea lions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211669769-1K6TREBZUCW4RAH81OQU/IMG_5666.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip This large rock with rip up concretion and mud clasts had fallen to the beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211670843-QWY5E3L18L4538LRXUKG/IMG_5670.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John explains that the channel forms are scoured by sand but then fill with mud. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211671948-5I5N3Q920DESL2R1Q3JS/IMG_5674.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip This huge channel probably transported a lot of mud. Oil geologists would look for oil deposits where the channel transported all the mud. John stands there for scale. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211672356-X4WGAKNEL4B9CJBQTXYP/IMG_5678.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip GSOCers crossing the marine terrace at North Cove. North Cove strata are in the Beds of Sacchi Beach, around 45 Ma. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630258428544-7A0A760D63GDNVLO5GLN/PXL_20210813_193545992.MP.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip These 2 images by Laurie demonstrate why the North cove strata were so detailed and interesting. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630258428628-UAYXFLZBML8RUIM7YSIS/PXL_20210813_193620335.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip This hole is the site of a drilling for paleomag samples by the Blackwells and Scott Bogue. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211673629-7Z83N59ILXHNBUFR3759/IMG_5690.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John points to a layer that was an unstable slip plane in is formation. The direction of flow is towards the viewer. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211673885-ED5FX5KMIYJ0O5C7FF2G/IMG_5695.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Around the corner from North Cove we found tilted blocks from a landslide overlain by channel scouring on the cliff face. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211675172-6L7IPUG1K14JVK0S62JO/IMG_5707.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip After lunch, we took a walk to see Bather’s Cove, whose sandstone-dominated cliffs are part of the Lower Coaledo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211676009-YRV7R4ZDCYLXF4AEBOLL/IMG_5717.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip We then walked to Simpson Cove and had a closeup look at some hummocky sandstone layers, showing the influence of wave action. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211676976-XEF71KY9H8QRFOHDZ9VK/IMG_5718.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John is pointing out the cross bedding on this boulder which shows the influence of wave action on the strata in which it was formed. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211677748-LF8HDQ98ZETVESI363G5/IMG_5721.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Simpson Cove looking towards the north wall of Lower Coaledo strata. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211678861-Y709JPJAACPFQUHL3ZBE/IMG_5725.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John described these little fossils as being thin-shelled deep water gastropods?, which further fueled the deep water critter dilemma of the researchers. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211678985-HOI8SEOF8R4IYB8HM7ZD/IMG_5728.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip Above Yoakam Point, the group looks WSW down Lighthouse Beach. Each prominence is part of the early Middle Coaledo, just like at Sunset Bay. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211655547-35G5GBTHAIN3E9BRCNST/IMG_0973.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip We didn’t make it down to Yoakam point on the field trip, but Sue, Lucy and I checked it out in spring 2020. Here’s the cool blade of sandstone which I believe is the third prominent sandstone in the early Middle Coaledo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211656909-B9FMD5ICMHMOSEPFDIVF/IMG_0975.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip And here are the cliffs of Pirate’s Cove to the east of Yoakam Point which shows Upper Coaledo strata. Taken spring 2020. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211680572-G7FKGCNFK2DODA40WMD3/IMG_5729.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip At the Coos Head jetty, the cliff in the distance is Empire Formation. The white arrow points to the 8 Ma. tuff layer running through it. The tunnel allow rail cars to bring in the jetty boulders. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211680475-5J53IV41SO1IX8MM1H0G/IMG_5731.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip John and Dave tell us that the brownish black jetty rocks are Siletzia basalt whereas the bluer ones are blueschist. In the background the dredge is working in the Coos Bay entrance bar. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630211658120-J4J3X3C1B8YEZO455MA0/IMG_2769.jpg Coaledo Field Trip Days - Day 2 of the 2021 Coaledo Formation Field Trip This is what we missed by not hiking around the cliffs to Sunset Bay. This picture was from Labor Day weekend 2020. We had a gorgeous day before the state of Oregon was set ablaze. https://www.gsoc.org/coaledo-field-trip-days/2021/8/28/day3 monthly 0.5 2021-08-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255757099-AFQYCNKP8AYY5TTITD1Z/IMG_5735+copy.png Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip - Make it stand out Group shot from morning of Day 3. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255969674-ZP1BE33PPPCI3YQ46FAT/IMG_5739.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip We assemble in the fog at the Ocean View Lookout on Day 3. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256294444-HC1Q7UCV4MOEKMVQTVSH/PXL_20210814_155416968.MP.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip John demos his legendary status as “Pope John” of Mobil Oil. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255969901-EZOW9QP1Y3VWD2G8SAEG/IMG_5743.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Dave points out an ancient log consumed by Teredo worms above the contact. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255970645-HFDKS8RTI29D9YADDU7R/IMG_5747.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip John takes a rare breather atop the Lower Coaledo stratigraphy. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255971358-PTY9ODBGTQ5TI7AJCIYC/IMG_5751.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip John explaining some of the clues to the direction of flow which emplaced these sediments. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256295416-K3OUARJ7MNIHFMFI17GM/PXL_20210814_161734387.MP.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip This shot shows the draping marks in the layer which demos flow to the left. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255972372-DHUZZZBX7F0RZJDAART0/IMG_5755%28Edited%29.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip John points out where the sandstone layer steps down the slope over which it flowed. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255972681-6CU34LQ44SQCNKWQ7IL0/IMG_5756.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Ripple marks are other clues to the direction of flow, and this layer demos that. Holes were drilled for paleomag samples. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255973228-2D0JVPM2KOHW9HTB7BWZ/IMG_5761.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip The group pushes their way through the overgrown path to the Collapse Cave Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255974153-5GPTYWTF930IGZYBRD6V/IMG_5775.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Dave points to sand dikes in the thin mud layers at Collapse Cave Point. Stratigraphy is Lower Coaledo. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255974597-36EJISSA73BCWEI6W23G/IMG_5777.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip This shot contains both a carbonized piece of wood and a petrified piece of wood. Two different preservation processes within the same area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255975388-BO1A70AAEJMRW30RKPXS/IMG_5779.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Another shot of the stratigraphy with paleomag holes drilled into the concretions. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255975701-0E56ILFI0L7PH28LG8BS/IMG_5782.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip One of the sand layers is discontinuous as the stratigraphy heads northward. The continuous layers grade into mudstone to the north. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256296841-UHCNNEKOHEP6KB4SSAKH/PXL_20210814_175539523.MP.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip This picture of Shelly shows off the honeycomb weathering that is very characteristic of rock exposed to salt spray. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255976864-RJ6VAHJYHGLZETQOLNZ9/IMG_5794.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip The group contemplates the stratigraphy and scenery as the fog disperses. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256454986-HI24421IP3OI8JGRM6DL/_MG_2747.JPG Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip A classic shot of Shore Acres was taken by Laurie before we departed. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256626421-8XMKAQQY0XAY7EUPXBDA/DSCN1186.JPG Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Shore Acres in a less benign mood in 2011. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256626490-XECSDYTNZSX74TIYW3PK/DSCN1207.JPG Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Good thing we weren’t crawling over the cliffs in weather like this. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255977966-ZAPMGTD6NT5ZEM7QZQ0Z/IMG_5804.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Our feet make it to the Empire Formation near Fossil Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255978281-WC1K6XSEIUKEVYEXP9FZ/IMG_5808.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip This stratigraphy in the Coos Bay shipping channel is only accessed at low tide. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256455064-FRE0DRLLX1EHSLNWH2EL/PXL_20210814_191628866.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip John joked that a competing oil company left their trademark up and down the Empire Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256456303-A4OUDITZUT6B98GO7S3N/PXL_20210814_193310225.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip We approach the barrier of Fossil Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255980577-MG8KMGUMEPMQKFIQE27M/IMG_5814.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip In this area we see fossilized bone which resembles a whale skull… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255981853-6K6EF6Y6QVYHGCOV14OS/IMG_5815.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip …and a whale rib. Several early whale specimens have been recovered from this area. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255983152-O6QYBL62MGZ4HMG361WT/IMG_5819.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip The contact between the Coos conglomerate above and the bulk of the Empire Formation below it. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255984527-HNDCVMXOUQYD63Q1WNF3/IMG_5822.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip GSOCers wait at the Hillary step of Fossil Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255985875-VMIO9CL43TQXIB2PDPY9/IMG_5823.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip A shot of the Coos Conglomerate. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255987260-QWP52KO0PCCZXQ8IPZQJ/IMG_5825.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Frank Hladky and Dave confer on the beach at Fossil Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255988322-HGNJWHB0G20EXE3ZMK4H/IMG_5826.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip A view to the south from Fossil Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630255989497-EOV1L928GK60IANME8GH/IMG_5835.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip John discusses the Crepidula fossils and the implications of their presence in the Coos Conglomerate. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256455928-W9D5CED5ZNM7HZRMJQST/PXL_20210815_010405190.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Laurie finds some good fossils in the mass. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256809145-9B8J6BW4JV7RO6AD29H6/Marty4.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip After returning from Fossil Point where we bid John farewell, the group retires to Sunset Bay for a relaxing picnic. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256627645-6HDF9H9OPM05WPHS4SBG/IMG_9669.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip The next few slides are from a reconnaissance trip by Carol, Sue, and Lucy in October 2019 to Sacchi Beach. We parked in the Seven Devils Recreation area and hit the beach on this beautiful day. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256628600-C9VDPD6IC8OY3HWONQ08/IMG_9670.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip A 45 million year old gastropod peeked out at us from one of the rocks on the beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256629360-6X2W33SCMI65XUF1F3ZL/IMG_9673.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Turbidites spilled out from an ancient channel as we headed north up the beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256630246-P4FO3S9WGY1ZXRNA3GFD/IMG_9698.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip This bluff was composed mostly of mudstone layering. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256630794-XK77BLG9VFUAKVX0O7U7/IMG_9709.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Amalgamated channeling? Instability? in the cliff base at the south end of the Cape Arago headland. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256632218-QI1YLQBAAF28W6PC13AL/IMG_9712.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip A glimpse of the Beds of Sacchi Beach as you look up the cliff. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256632441-8ASK07KQZD90IC7KKHMA/IMG_9716.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Sue and Lucy demo the scale of the crazy quilt of channels around the corner. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256633519-DVDVVR1O41Q4RP6E4EA3/IMG_9724.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip Looking up the cliff farther north. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256633958-814ANMPFI2MWMB8N61FN/IMG_9753.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip We also took a short drive that day down to Whiskey Run Beach, where we could access Fivemile Point. Here’s some shots of the turbidites there. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256634760-LSY31ALUL8X9WOLWFAKX/IMG_9759.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip …more Fivemile turbidites… https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630256634961-46SZZ99SW20EISQS30Z5/IMG_9764%28Edited%29.jpg Coaledo Field Trip Days - Day 3 of the 2021 Coaledo Formation Field Trip …the turbidites from the backside. The crescent shape in the sky at bottom right is a kite boarder with whom we shared the beach. https://www.gsoc.org/coaledo-field-trip-days/2021/8/28/day4 monthly 0.5 2021-08-30 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257940895-OQ8HIL90ESQ54P4JIRHO/IMG_5846.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip The group meets with Frank Hladky near the Cape Blanco State Airport for the Day 4 trip to Blacklock Point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257940392-T350MNC1O7CCN3BICWFK/IMG_5849.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip View from the top of the bluff looking south to Cape Blanco. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257808706-YQCJ1UQ1YJ2HUT71L678/Marty5.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip This area has been classified as part of the Gold Beach Terrane, and is part of the accretionary wedge from the subduction zone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257985900-SUSR1SCQIRT376HDVIU1/PXL_20210815_184658463.MP.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip We gather for a discussion about the Jurassic melange rocks modified by the subduction zone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257942884-JG8AMULQ8LT7FC7NL357/IMG_5862.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip A blueschist boulder on the beach in the black sand. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257943449-NZ3C790ZHZEOG86NFLNS/IMG_5874.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Because they have been through the subduction zone “meat grinder”, different rock types are found on the same boulders. Here we have basalt, radiolarian chert, and mudstone on the boulder to the right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257945210-N8KTQ5Y4TRNZBFGMSNSG/IMG_5877.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Closeup of the radiolarian chert boulder. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257945826-5A1YPQOYB77UQCVRITKW/IMG_5880.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip This boulder of black, greasy texture serpentenite looks gray from its glossy shine. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257946255-LATQM0A6ODCL3FW5RGHP/IMG_5881.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Frank talks about the various rocks we are finding on the beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257947832-E7L97FGRS052OSGOGSZG/IMG_5882.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip This conglomerate boulder is dense and completely cemented after being exposed to high pressure. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257948072-BX1RONT2JBIFCS0RUD2Z/IMG_5883.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip This large rock of chert shows the intense deformation which happens in the subduction zone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257868896-RA4CEZEXD2TQOF3B90IY/Carol%27s+Hat+w-+Jurassic+chert+for+scale.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Denny took this picture of my hat with the Jurassic chert rock for scale. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257846938-AY6Y7XZ003970WMDADK5/PXL_20210815_202426000.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip We climb back up the bluff and walk a bit north to Blacklock Point proper. Note the greenish color of serpentinite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257868584-6XZ4B0KLMJGZO6HKGM5W/Cape+Blanco.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Frank points out that sandstone was shipped from Blacklock Point in the late 1800’s through a cleft in the point. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257847043-MQBLV92GZ8S0R6BFVPON/PXL_20210815_203345668.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip The sandstone came from the other side of this cove and it now adorns the facades of several San Francisco buildings. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257948801-ATORY2YI7E6K6DAQUK4X/IMG_5890.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Frank tells the group that several groups of high school students that he taught came out and mapped the sandstone and shale layers of the cove. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257949326-MSH8H8EZPKFGMZ8YU4FY/IMG_5898.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip After returning from Blacklock Point, the group heads on down to Cape Blanco for the last stop of the trip. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257949826-AY69D9DGL5XDQZQODCYQ/IMG_5902.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Looking northward to Blacklock Point from Cape Blanco. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257951157-D6585LDSK679HHIOWC1G/IMG_5904.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Blueschist boulders spill down a wash in the Cape Blanco hillside. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257951266-4S3TOBLHFKCSUCK3LF6J/IMG_5906.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Frank and Cheryl chat in front of the black sandstone outcrop in the surf at the beach. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257952188-PLAKYB4AVW4FQLWNMLAX/IMG_5909.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Frank examines a small chunk of the sandstone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1630257952572-OVDRBFNMORU8GH8G4BMT/IMG_5914.jpg Coaledo Field Trip Days - Day 4 of the 2021 Coaledo Formation Field Trip Two very different appearing chunks of blueschist exhibiting the minerals lawsonite on the left and glaucophane on the right. https://www.gsoc.org/2021-recap-images-from-carols-pdf daily 0.75 2022-03-12 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1641795215119-QYH4QJ8J2W1E2W88BKPT/gsocrecap2021_Page_06_Image_0001.jpg 2021 Recap Images from Carol's pdf 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Gray - Make it stand out Julian C. Gray https://www.gsoc.org/board-member-bios/2023/5/15/bonnie-prange monthly 0.5 2023-05-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1585009109762-H10B6RPN9DYV7SOVQEDR/image-asset.png Board Member bios - Bonnie Prange - Make it stand out Bonnie Prange https://www.gsoc.org/board-member-bios/2023/4/28/paul-edison-lahm monthly 0.5 2025-12-23 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1661973038811-8W7P7KLMCYIG1RMO3GO2/Paul+Edison-Lahm+GT.jpg Board Member bios - Paul Edison-Lahm - Make it stand out Paul Edison-Lahm https://www.gsoc.org/board-member-bios/2023/4/28/carol-hasenberg monthly 0.5 2023-04-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1591247435279-ZBN9QMN2020N3WPLMAJY/Carol.jpg Board Member bios - Carol Hasenberg - Make it stand out Carol Hasenberg https://www.gsoc.org/board-member-bios/2023/4/28/scott-burns monthly 0.5 2023-04-28 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1614593834324-EBEEEYPE4I0L723FUEKC/Scott+Burns.jpg Board Member bios - 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gsocrecap2023_final_Page_07_Image_0002.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484268835-XI8D5SEEA1YWZZ8UDH9N/gsocrecap2023_final_Page_07_Image_0001.jpg 2023 recap images for slideshow - gsocrecap2023_final_Page_07_Image_0001.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484269002-QZM9DFAXTK5AFMN8OHE6/gsocrecap2023_final_Page_06_Image_0001.jpg 2023 recap images for slideshow - gsocrecap2023_final_Page_06_Image_0001.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484269959-5V6SDH34I9PFJ9HF53IC/gsocrecap2023_final_Page_05_Image_0002.jpg 2023 recap images for slideshow - gsocrecap2023_final_Page_05_Image_0002.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484270089-4PXZ71HLW1OW11WK4EIK/gsocrecap2023_final_Page_05_Image_0001.jpg 2023 recap images for slideshow - gsocrecap2023_final_Page_05_Image_0001.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484270756-YQABWGDN32WDGZCOOT6H/gsocrecap2023_final_Page_04_Image_0002.jpg 2023 recap images for slideshow - gsocrecap2023_final_Page_04_Image_0002.jpg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1709484270818-80ADPX4W1ET561DOEZPU/gsocrecap2023_final_Page_04_Image_0001.jpg 2023 recap images for slideshow - gsocrecap2023_final_Page_04_Image_0001.jpg https://www.gsoc.org/past-presidents daily 0.75 2024-07-22 https://www.gsoc.org/past-presidents/2024/7/17/1995-president-clay-kelleher-lwlrz-ctrgm-s8bxd monthly 0.5 2025-06-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/bdfac019-7650-4559-860a-3a1ee49838e9/1992evelynpratt.jpg Past Presidents - 1992 President Evelyn Pratt - Make it stand out 1992 - Evelyn Pratt https://www.gsoc.org/past-presidents/2024/7/17/1995-president-clay-kelleher-lwlrz-ctrgm monthly 0.5 2025-06-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0ad37af2-a6c4-4133-95fd-f512074f375a/1993estherkennedy.jpg Past Presidents - 1993 President Esther Kennedy - Make it stand out 1993 - Esther Kennedy https://www.gsoc.org/past-presidents/2024/7/17/1995-president-clay-kelleher-lwlrz monthly 0.5 2025-06-26 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c67d0672-3d15-4ccb-882f-b2123cd22e5b/1994donbotteron.jpg Past Presidents - 1994 President Dr. Donald Botteron - Make it stand out 1994 - Dr. Donald Botteron https://www.gsoc.org/past-presidents/2024/7/21/2009-president-carol-hasenberg monthly 0.5 2024-08-02 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4d27462f-2589-4cd8-a367-adcb49b39d88/2009carolhasenberg.jpg Past Presidents - 2009 President Carol Hasenberg - Make it stand out 2009 - CAROL HASENBERG, TRINITY, AND NICK THE CRAZY DOG https://www.gsoc.org/past-presidents/2024/7/21/2010-president-larry-purchase monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0bd36608-1ce7-4642-872f-9a62cd709c6f/2010larrypurchase2.jpg Past Presidents - 2010 President Larry Purchase - Make it stand out 2010 - LARRY PURCHASE https://www.gsoc.org/past-presidents/2024/7/21/2011-president-rik-smoody monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a70d6e60-84ff-4eff-8c17-d5fb4c2b44f2/2011riksmoody.jpg Past Presidents - 2011 President Rik Smoody - Make it stand out 2011 - RIK SMOODY https://www.gsoc.org/past-presidents/2024/7/21/2012-president-jane-walpole monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a61c724f-8e91-4592-b3af-4052dea23b08/2012jwalpole.jpg Past Presidents - 2012 President Jane Walpole - Make it stand out 2012 - Jane Walpole https://www.gsoc.org/past-presidents/2024/7/21/2013-president-john-piccininni monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/98f2c6e1-dd6e-4505-81ca-6916a92a7548/2013johnpiccininni2-Carol-DellXPS.jpg Past Presidents - 2013 President John Piccininni - Make it stand out 2013 - John Piccininni https://www.gsoc.org/past-presidents/2024/7/21/2014-president-sheila-alfsen monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c3ddca37-61d1-405c-8218-cdc56c6e12bd/2014sheilaalfsen.jpg Past Presidents - 2014 President Sheila Alfsen - Make it stand out 2014 - Sheila Alfsen https://www.gsoc.org/past-presidents/2024/7/21/2015-president-janet-rasmussen monthly 0.5 2024-09-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/dfe272c7-8556-4052-bf7a-8721690af76b/2015janetrasmussen.jpg Past Presidents - 2015 President Janet Rasmussen - Make it stand out 2015 - Janet Rasmussen https://www.gsoc.org/past-presidents/2024/7/21/2016-president-bo-nonn monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2a7c8757-b9ca-4bd5-8a20-e6a17676f75a/2016nonn.JPG Past Presidents - 2016 President Bo Nonn - Make it stand out 2016 - Bo Nonn https://www.gsoc.org/past-presidents/2024/7/19/2017-president-rik-smoody monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/41de1d14-a265-4015-8e2b-00fd88d69325/2017smoody.JPG Past Presidents - 2017 President Rik Smoody - Make it stand out 2017 - Rik Smoody https://www.gsoc.org/past-presidents/2024/7/17/2018-president-paul-edison-lahm monthly 0.5 2024-10-10 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1661973038811-8W7P7KLMCYIG1RMO3GO2/Paul+Edison-Lahm+GT.jpg Past Presidents - 2018 President Paul Edison-Lahm - Make it stand out 2018 - Paul Edison-Lahm https://www.gsoc.org/past-presidents/2024/7/17/2019-2020-president-sheila-alfsen monthly 0.5 2024-09-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7f73000a-9d89-462c-a3ca-e2857a27252c/2019+Sheila+Alfsen.jpg Past Presidents - 2019-2020 President Sheila Alfsen - Make it stand out 2019-2020 – Sheila Alfsen https://www.gsoc.org/past-presidents/2024/7/17/2021-2023-president-clark-niewendorp monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7fb44b98-d8f3-496a-aba5-a9996588b7e6/2021niew.jpg Past Presidents - 2021-2023 President Clark Niewendorp - Make it stand out 2021-2023 - Clark Niewendorp https://www.gsoc.org/past-presidents/2024/7/17/2024-president-julian-gray monthly 0.5 2024-07-18 https://www.gsoc.org/past-presidents/2024/7/17/1995-president-clay-kelleher monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/e4ef1857-1ec5-4287-922d-00e1ed643e26/1995claykelleher.jpg Past Presidents - 1995 President Clay Kelleher - Make it stand out 1995 - CLAY KELLEHER https://www.gsoc.org/past-presidents/2024/7/17/1996-president-richard-bart-bartels monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/4faec3a1-e54b-4835-95b6-4d3e8594d104/1996richardbartels.jpg Past Presidents - 1996 President Richard 'Bart' Bartels - Make it stand out 1996 - RICHARD "BART" BARTELS https://www.gsoc.org/past-presidents/2024/7/17/1997-president-paul-brown monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/15d078bb-9ea7-4e1f-8813-a9df28cb1d8c/1997paulbrown.jpg Past Presidents - 1997 President Paul Brown - Make it stand out 1997 - PAUL BROWN https://www.gsoc.org/past-presidents/2024/7/17/1998-president-beverly-vogt monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ed692922-4d9f-40cb-983b-5515be255baf/1998bevvogt.jpg Past Presidents - 1998 President Beverly Vogt - Make it stand out 1998 - Beverly Vogt https://www.gsoc.org/past-presidents/2024/7/17/1999-president-carol-s-hasenberg monthly 0.5 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d920fda6-891a-47e1-a0ba-5063c758ff31/1999carolhasenberg.jpg Past Presidents - 1999 President Carol S. Hasenberg - Make it stand out 1999 - CAROL S. HASENBERG https://www.gsoc.org/past-presidents/2024/7/17/2000-president-ray-crowe monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/234c28cd-da1b-41dc-a528-915225449c45/2000raycrowe.jpg Past Presidents - 2000 President Ray Crowe - Make it stand out 2000 - RAY CROWE https://www.gsoc.org/past-presidents/2024/7/16/2001-president-sandra-adamson monthly 0.5 2024-07-17 https://www.gsoc.org/past-presidents/2024/7/16/2002-president-thomas-gordon monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/375ae20d-d318-4ec6-96b7-26a3b23e269a/2002thomasgordon.jpg Past Presidents - 2002 President Thomas Gordon - Make it stand out 2002 - Thomas Gordon https://www.gsoc.org/past-presidents/2024/7/16/2003-president-sue-ikeda monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/11951202-692d-478f-8661-124ad05d5558/2003sueikeda-Carol-DellXPS.jpg Past Presidents - 2003 President Sue Ikeda - Make it stand out 2003 - SUE IKEDA https://www.gsoc.org/past-presidents/2024/7/16/2004-president-clay-kelleher monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d3a71dd0-80e8-4ead-bc98-7e208f89a42d/2004claykelleher.jpg Past Presidents - 2004 President Clay Kelleher - Make it stand out 2004 - CLAY KELLEHER https://www.gsoc.org/past-presidents/2024/7/16/2005-president-charles-carter monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/039955cb-bc0f-46d4-8b4f-75f18815dc79/2005charlescarter.jpg Past Presidents - 2005 President Charles Carter - Make it stand out 2005 - CHARLES CARTER https://www.gsoc.org/past-presidents/2024/7/16/2006-president-bonnie-prange monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a16ceee7-a436-41c8-a671-aafb3598d872/2006bonnieprange.jpg Past Presidents - 2006 President Bonnie Prange - Make it stand out 2006 - Bonnie Prange https://www.gsoc.org/past-presidents/2024/7/16/2007-president-richard-bartels monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/19f7d9c9-4192-47d5-9d8e-96b128c92958/2007richardbartels.jpg Past Presidents - 2007 President Richard ‘Bart’ Bartels - Make it stand out 2007 - Richard Bartels https://www.gsoc.org/past-presidents/2024/7/16/2008-president-janet-rasmussen monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/e06c11fc-8f2e-4602-951a-6756775768ee/2008janetrasmussen.jpg Past Presidents - 2008 President Janet Rasmussen - Make it stand out 2008 - JANET RASMUSSEN https://www.gsoc.org/past-presidents/2024/7/16/1970-president-louis-edward-oberson monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/9c16d603-c061-4627-931c-665980be1401/1970leoberson.png Past Presidents - 1970 President Louis Edward Oberson - Make it stand out 1970 - LOUIS EDWARD OBERSON (CHARTER MEMBER) https://www.gsoc.org/past-presidents/2024/7/16/1971-president-archie-kelly-strong monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c76e3576-b7ff-4672-bb64-612f8addb5a0/1971akstrong.png Past Presidents - 1971 President Archie Kelly Strong - Make it stand out 1971 - Archie Kelly Strong https://www.gsoc.org/past-presidents/2024/7/16/1972-president-f-mcneal-fahrion monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1c65e6fc-c7b0-460f-95af-ab24220b4c2d/1972fmfahrion.png Past Presidents - 1972 President F. McNeal Fahrion - Make it stand out 1972 - F. McNeal Fahrion https://www.gsoc.org/past-presidents/2024/7/16/1973-president-george-edgar-malin monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ac047234-3784-45ac-9bd5-517f3ca3b341/1973gemalinsr.png Past Presidents - 1973 President George Edgar Malin - Make it stand out 1973 - George Edgar Malin, Sr. https://www.gsoc.org/past-presidents/2024/7/16/1974-president-francis-clair-stahl monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/348c6e4c-c547-4b6c-80d9-2183415f8570/1974cfstahl.png Past Presidents - 1974 President Francis Clair Stahl - Make it stand out 1974 - Francis Clair Stahl https://www.gsoc.org/past-presidents/2024/7/16/1975-president-john-henry-bonebrake monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b5b569d1-bf81-4356-9750-cfe8c9d9e80e/1975jhbonebrake.png Past Presidents - 1975 President John Henry Bonebrake - Make it stand out 1975 - JOHN HENRY BONEBRAKE https://www.gsoc.org/past-presidents/2024/7/16/1976-president-opal-may-helfrich monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0329e272-e4bc-4bd2-8afc-e8ee2d23d137/1976omhelfrich.png Past Presidents - 1976 President Opal May Helfrich - Make it stand out 1976 - Opal May Helfrich https://www.gsoc.org/past-presidents/2024/7/16/1977-president-norman-a-hessel monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/6a6eb0f7-2f5d-45dc-bf62-e4d0995e7540/1977nahessel.png Past Presidents - 1977 President Norman A. Hessel - Make it stand out 1977 - NORMAN A. HESSEL https://www.gsoc.org/past-presidents/2024/7/16/1978-president-robert-waiste monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/685b89a1-9cb3-4c19-a780-c63541775738/1978rwaistejr.png Past Presidents - 1978 President Robert Waiste - Make it stand out 1978 - ROBERT WAISTE, JR. https://www.gsoc.org/past-presidents/2024/7/16/1979-president-william-macritchie-freer monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/cae3e855-5496-4442-bfc3-7b98b9dfd365/1979wmfreer.png Past Presidents - 1979 President William MacRitchie Freer - Make it stand out 1979 - William Freer https://www.gsoc.org/past-presidents/2024/7/16/1980-president-donald-golden-turner monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/929de9f9-22ee-4ab1-8205-58c2d3219ede/1980dgturner.png Past Presidents - 1980 President Donald Golden Turner - Make it stand out 1980 - DONALD GOLDEN TURNER https://www.gsoc.org/past-presidents/2024/7/16/1981-president-joseph-d-joe-beemer monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/416aea0e-01da-414d-ad81-66d19458daed/1981jdbeemer.png Past Presidents - 1981 President Joseph D. (Joe) Beemer - Make it stand out 1981 - Joseph D. (Joe) Beemer https://www.gsoc.org/past-presidents/2024/7/16/1982-president-ruth-hopson-keen monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/5cfa65ca-8c3f-4424-9e74-ed8ce9fd4f02/1982rhkeen.png Past Presidents - 1982 President Ruth Hopson Keen - Make it stand out 1982 - RUTH HOPSON KEEN https://www.gsoc.org/past-presidents/2024/7/15/1983-president-francis-clair-stahl monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b09a4bd4-0d55-4734-8364-6cad043ce9d4/1983clairstahl.jpg Past Presidents - 1983 President Francis Clair Stahl - Make it stand out 1983 - Francis Clair Stahl https://www.gsoc.org/past-presidents/2024/7/15/1984-president-viola-lagasse-oberson monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/5d2108b6-3f06-411a-bca2-f555f7527529/1984vloberson.png Past Presidents - 1984 President Viola Lagasse Oberson - Make it stand out 1984 - VIOLA LAGASSE OBERSON https://www.gsoc.org/past-presidents/2024/7/15/1985-president-donald-b-parks monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1e459c72-765c-4aa7-a488-354829a6b7ef/1985dbparks.png Past Presidents - 1985 President Donald. B. Parks - Make it stand out 1984 - DONALD B. PARKS https://www.gsoc.org/past-presidents/2024/7/15/1986-president-hazel-r-newhouse monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/fa6c9d89-dac7-4bcc-9acf-7d3333f77793/1986hrnewhouse.png Past Presidents - 1986 President Hazel R. Newhouse - Make it stand out 1986 - HAZEL R. NEWHOUSE https://www.gsoc.org/past-presidents/2024/7/15/1987-president-raymond-e-andy-corcoran monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/43a3d6f8-8892-404b-b656-d8a532142df6/1987recorcoran.png Past Presidents - 1987 President Raymond E. (Andy) Corcoran - Make it stand out 1987 - RAYMOND E. (Andy) CORCORAN https://www.gsoc.org/past-presidents/2024/7/15/1988-president-joline-alta-robustelli monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c65eb639-0591-4428-a590-5519d10cc7f2/1988jrobustelli.png Past Presidents - 1988 President Joline Alta Robustelli - Make it stand out 1988 - JOLINE ALTA ROBUSTELLI https://www.gsoc.org/past-presidents/2024/7/15/1989-president-rosemary-richartz-kenney monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c98c6770-bb1c-4d87-90cc-4b9dfa656359/1989rkenney.png Past Presidents - 1989 President Rosemary Richartz Kenney - Make it stand out 1989 - ROSEMARY RICHARTZ KENNEY https://www.gsoc.org/past-presidents/2024/7/15/1990-president-dr-ruth-hopson-keen monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/6a684b30-1121-4ee9-bd72-5c3e53ae5bbd/1990+Ruth+Keen+.jpg Past Presidents - 1990 President Dr. Ruth Hopson Keen - Make it stand out 1990 - Dr. Keen at the 1991 GSOC Banquet https://www.gsoc.org/past-presidents/2024/7/15/1991-president-walter-a-sunderland-md monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/abccc9e0-6872-42b6-9797-f419f58afd28/1991wsunderland.png Past Presidents - 1991 President Walter A. Sunderland, M.D. - Make it stand out 1991 - WALTER A. SUNDERLAND https://www.gsoc.org/past-presidents/2024/7/14/1954-president-albert-j-keen monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1d867761-539c-40bd-bc72-db469788cf4f/1954ajkeen.png Past Presidents - 1954 President Albert J. Keen - Make it stand out 1954 - ALBERT JAMES KEEN https://www.gsoc.org/past-presidents/2024/7/14/1955-president-william-f-clark monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/468813a0-6079-4584-b518-3e55d9bd0d59/1955wfclark.png Past Presidents - 1955 President William F. Clark - Make it stand out 1955 - WILLIAM FERGUSON CLARK https://www.gsoc.org/past-presidents/2024/7/14/1956-president-francis-garritt-gilchrist monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/ae3b7c43-14c9-4faa-a349-1141f286fc96/1956fggilchrist.png Past Presidents - 1956 President Francis Garritt Gilchrist - Make it stand out 1956 - FRANCIS GARRITT GILCHRIST https://www.gsoc.org/past-presidents/2024/7/14/1957-president-leroy-atwood-palmer monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/a483acfc-7fa5-4b3b-b306-6808995ee2a2/1957lapalmer.png Past Presidents - 1957 President Leroy Atwood Palmer - Make it stand out 1957 - LEROY ATWOOD PALMER https://www.gsoc.org/past-presidents/2024/7/14/1958-president-dr-james-stauffer monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/8fbe96dd-47bb-4473-962c-4866dca7718d/1958jstauffer.png Past Presidents - 1958 President Dr. James Stauffer - Make it stand out 1958 - DR. JAMES STAUFFER https://www.gsoc.org/past-presidents/2024/7/14/1959-president-paul-william-howell monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/6a8c2de3-5fa0-4d0f-b756-0aeee98f8794/1959pwhowell.png Past Presidents - 1959 President Paul William Howell - Make it stand out 1959 - PAUL WILLIAM HOWELL https://www.gsoc.org/past-presidents/2024/7/14/1960-president-franklin-monroe-brown monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d7ca8b42-247a-43ec-a9e2-8d4f1df8c475/1960fbrown.png Past Presidents - 1960 President Franklin Monroe Brown - Make it stand out 1960 - FRANKLIN MONROE BROWN https://www.gsoc.org/past-presidents/2024/7/14/1960-president-robert-fisher-wilbur monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/fc0f6fa1-a2bc-4480-9ca8-2aadad62d8de/1960rwilbur.png Past Presidents - 1960 President Robert Fisher Wilbur - Make it stand out 1961 - ROBERT FISHER WILBUR https://www.gsoc.org/past-presidents/2024/7/14/1961-president-john-hayne-hammond monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/59083900-43ac-4805-899d-8cd6ab281cef/1961jhhammond.png Past Presidents - 1961 President John Hayne Hammond - Make it stand out 1961 - JOHN HAYNE HAMMOND https://www.gsoc.org/past-presidents/2024/7/14/1962-president-leonard-hatsil-delano monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0837df6a-ab72-4a41-b0e7-d9db7acf3556/1962lhdelano.png Past Presidents - 1962 President Leonard Hatsil Delano - Make it stand out 1962 - LEONARD HATSIL DELANO https://www.gsoc.org/past-presidents/2024/7/14/1963-president-albert-richard-kenney monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/03bc9748-43cd-4601-b72e-aedb69a7b078/1963arkenney.png Past Presidents - 1963 President Albert Richard Kenney - Make it stand out 1963 - ALBERT RICHARD KENNEY https://www.gsoc.org/past-presidents/2024/7/14/1964-president-irving-gilbert-ewen monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/27368455-6230-41a5-a2bc-6081b6da6c5f/1964igewen.png Past Presidents - 1964 President Irving Gilbert Ewen - Make it stand out 1964 - IRVING GILBERT EWEN https://www.gsoc.org/past-presidents/2024/7/14/1965-president-frederick-earl-miller monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/28ae177c-5eb4-40ae-a573-4e4d9c7dc4cf/1965femiller.png Past Presidents - 1965 President Frederick Earl Miller - Make it stand out 1965 - FREDERICK EARL MILLER https://www.gsoc.org/past-presidents/2024/7/14/1966-president-lloyd-albert-wilcox monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/fc3e588b-aaaa-47b3-8f0f-72aba4653d83/1966lawilcox.png Past Presidents - 1966 President Lloyd Albert Wilcox - Make it stand out 1966 - LLOYD ALBERT WILCOX https://www.gsoc.org/past-presidents/2024/7/14/1967-president-ralph-stevenson-mason monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/83e21064-83f8-4bc6-807b-a0be800e9202/1967rsmason.png Past Presidents - 1967 President Ralph Stevenson Mason - Make it stand out 1967 - RALPH STEVENSON MASON https://www.gsoc.org/past-presidents/2024/7/14/1968-president-donald-duncan-barr monthly 0.5 2024-07-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/9eb82d81-b696-4b9a-a855-0e67fbe5ab56/1968ddbarr.png Past Presidents - 1968 President Donald Duncan Barr - Make it stand out 1968 - DONALD DUNCAN BARR https://www.gsoc.org/past-presidents/2024/7/14/1969-president-wallace-riley-mcclung monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1751d90f-aa7e-4331-bacd-43c5439892d7/1969wrmcclung.png Past Presidents - 1969 President Wallace Riley McClung - Make it stand out 1969 - WALLACE RILEY McCLUNG https://www.gsoc.org/past-presidents/2024/7/10/1935-president monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2c220f50-0c03-4c3f-8e1a-cd563f397aac/1935ethodge.png Past Presidents - 1935 President Edwin T. Hodge - Make it stand out 1935 - DR. EDWIN THOMAS HODGE (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1936-president-clarence-delbert-phillips monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/017b5e7f-d39e-4ca8-a322-360043a93cb5/1936cdphillips.png Past Presidents - 1936 President Clarence Delbert Phillips - Make it stand out CLARENCE D. PHILLIPS (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1937-president-albert-dunbar-vance monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/93ff959c-cc6e-40a1-b4db-6f794caba3b7/1937advance.png Past Presidents - 1937 President Albert Dunbar Vance - Make it stand out ALBERT DUNBAR VANCE Charter Member https://www.gsoc.org/past-presidents/2024/7/14/1938-president-ray-c-treasher monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/af605912-c662-4e07-95e0-b6f484537449/1938rctreasher.png Past Presidents - 1938 President Ray C. Treasher - Make it stand out RAY C. TREASHER (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1939-president-arthur-maine-piper monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/94429181-63dd-4234-b90e-8c064e166a1c/1939ampiper.png Past Presidents - 1939 President Arthur Maine Piper - Make it stand out ARTHUR MAINE PIPER https://www.gsoc.org/past-presidents/2024/7/14/1940-president-john-cyprian-stevens monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/d5f3fc5c-c68a-4907-bec8-cad0afc872fc/1940jgstevens.png Past Presidents - 1940 President John Cyprian Stevens - Make it stand out 1940 - JOHN CYPRIAN STEVENS (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1941-president-kenneth-phillips monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/429a2cc8-3790-4deb-a2a9-63f78b4df7f4/1941knphillips.png Past Presidents - 1941 President Kenneth Phillips - Make it stand out KENNETH PHILLIPS (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1942-president-harold-bruce-schminky monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/09b9c1c2-dd09-423a-b485-2dcbc705fe16/1942hbschminky.png Past Presidents - 1942 President Harold Bruce Schminky - Make it stand out H. BRUCE SCHMINKY (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1943-president-lloyd-l-ruff monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/06ad6681-38bf-4c16-848b-ff48a8526fab/1943llruff.png Past Presidents - 1943 President Lloyd L. Ruff - Make it stand out LLOYD L. RUFF https://www.gsoc.org/past-presidents/2024/7/14/1944-president-e-newton-bates monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7686cf15-dce6-49ab-a8e0-d53520011726/1944enbates.png Past Presidents - 1944 President E. Newton Bates - Make it stand out E. NEWTON BATES https://www.gsoc.org/past-presidents/2024/7/14/1945-president-lon-hancock monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/cc759bdd-cf67-44e7-aeca-35c0dfe302a1/1945awhancock.png Past Presidents - 1945 President Lon Hancock - Make it stand out 1945 - ALONZO WESLEY HANCOCK (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1946-president-john-eliot-allen monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/2751665d-7498-4670-97c9-c3b976039cfe/1946jeallen.png Past Presidents - 1946 President John Eliot Allen - Make it stand out 1946 - DR. JOHN ELIOT ALLEN https://www.gsoc.org/past-presidents/2024/7/14/1947-president-arthur-carhart-jones monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/0839ba91-1094-4a16-bf44-3042cdf85f43/1947agjones.png Past Presidents - 1947 President Arthur Carhart Jones - Make it stand out 1947 - DR. ARTHUR CARHART JONES (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1948-president-fay-wilmott-libbey monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/7031c668-c7e1-4a34-ad1d-7666f7ced716/1948fwlibbey.png Past Presidents - 1948 President Fay Wilmott Libbey - Make it stand out 1948 - FAY W. LIBBEY https://www.gsoc.org/past-presidents/2024/7/14/1949-president-leo-friedrich-simon monthly 0.5 2024-07-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/b64d36b6-dc5c-4d75-904f-f201096f044f/1949lfsimon.png Past Presidents - 1949 President Leo Friedrich Simon - Make it stand out 1949 - LEO FRIEDRICH SIMON (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1950-president-edwin-t-hodge monthly 0.5 2024-10-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/8ace7ba6-a0e6-43b9-b7b4-de6fc7b2c485/1950ethodge.png Past Presidents - 1950 President Edwin T. Hodge - Make it stand out 1950 - DR. EDWIN THOMAS HODGE (Charter Member) https://www.gsoc.org/past-presidents/2024/7/14/1951-president-ford-e-wilson monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/546bc1ea-816c-482b-af5f-90fde068aa85/1951fewilson.png Past Presidents - 1951 President Ford E Wilson - Make it stand out 1951 - FORD E. WILSON https://www.gsoc.org/past-presidents/2024/7/14/1952-president-norris-b-stone monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/39e9138b-34ac-4979-83ef-3c36b6725040/1952nbstone.png Past Presidents - 1952 President Norris B. Stone - Make it stand out 1952 - NORRIS B. STONE https://www.gsoc.org/past-presidents/2024/7/14/1953-president-raymond-l-baldwin monthly 0.5 2024-07-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/23a2d74a-0265-4c80-83e0-1e389f5cf253/1953rlbaldwin.png Past Presidents - 1953 President Raymond L. Baldwin - Make it stand out 1953 - RAYMOND L. BALDWIN (Charter Member) https://www.gsoc.org/past-presidents/tag/Keen monthly 0.5 https://www.gsoc.org/past-presidents/tag/Group+2 monthly 0.5 https://www.gsoc.org/past-presidents/tag/Group+1 monthly 0.5 https://www.gsoc.org/past-presidents/tag/Hessel monthly 0.5 https://www.gsoc.org/past-presidents/tag/Group+4 monthly 0.5 https://www.gsoc.org/past-presidents/tag/Group+3 monthly 0.5 https://www.gsoc.org/past-presidents/tag/Carter monthly 0.5 https://www.gsoc.org/past-presidents/tag/Alfsen monthly 0.5 https://www.gsoc.org/past-presidents/tag/Edison-Lahm monthly 0.5 https://www.gsoc.org/past-presidents/tag/Stone monthly 0.5 https://www.gsoc.org/past-presidents/tag/Strong monthly 0.5 https://www.gsoc.org/past-presidents/tag/Walpole monthly 0.5 https://www.gsoc.org/past-presidents/tag/Hodge monthly 0.5 https://www.gsoc.org/past-presidents/tag/Simon monthly 0.5 https://www.gsoc.org/past-presidents/tag/Ikeda monthly 0.5 https://www.gsoc.org/past-presidents/tag/Stauffer monthly 0.5 https://www.gsoc.org/past-presidents/tag/Prange monthly 0.5 https://www.gsoc.org/past-presidents/tag/Botteron monthly 0.5 https://www.gsoc.org/past-presidents/tag/Adamson monthly 0.5 https://www.gsoc.org/past-presidents/tag/Gray monthly 0.5 https://www.gsoc.org/past-presidents/tag/Book+1 monthly 0.5 https://www.gsoc.org/past-presidents/tag/Fahrion monthly 0.5 https://www.gsoc.org/past-presidents/tag/Book+2 monthly 0.5 https://www.gsoc.org/past-presidents/tag/Allen monthly 0.5 https://www.gsoc.org/past-presidents/tag/Bates monthly 0.5 https://www.gsoc.org/past-presidents/tag/Vogt monthly 0.5 https://www.gsoc.org/past-presidents/tag/Kelleher monthly 0.5 https://www.gsoc.org/past-presidents/tag/Piccininni monthly 0.5 https://www.gsoc.org/past-presidents/tag/Gilchrist monthly 0.5 https://www.gsoc.org/past-presidents/tag/Treasher monthly 0.5 https://www.gsoc.org/past-presidents/tag/Libbey monthly 0.5 https://www.gsoc.org/past-presidents/tag/Mason monthly 0.5 https://www.gsoc.org/past-presidents/tag/Hammond monthly 0.5 https://www.gsoc.org/past-presidents/tag/Miller monthly 0.5 https://www.gsoc.org/past-presidents/tag/Malin monthly 0.5 https://www.gsoc.org/past-presidents/tag/Smoody monthly 0.5 https://www.gsoc.org/past-presidents/tag/Parks monthly 0.5 https://www.gsoc.org/past-presidents/tag/Oberson monthly 0.5 https://www.gsoc.org/past-presidents/tag/Barr monthly 0.5 https://www.gsoc.org/past-presidents/tag/Brown monthly 0.5 https://www.gsoc.org/past-presidents/tag/Stahl monthly 0.5 https://www.gsoc.org/past-presidents/tag/Nonn monthly 0.5 https://www.gsoc.org/past-presidents/tag/Howell monthly 0.5 https://www.gsoc.org/past-presidents/tag/Hasenberg monthly 0.5 https://www.gsoc.org/past-presidents/tag/Sunderland monthly 0.5 https://www.gsoc.org/past-presidents/tag/Hancock monthly 0.5 https://www.gsoc.org/past-presidents/tag/Phillips monthly 0.5 https://www.gsoc.org/past-presidents/tag/Vance monthly 0.5 https://www.gsoc.org/past-presidents/tag/Kennedy monthly 0.5 https://www.gsoc.org/past-presidents/tag/Newhouse monthly 0.5 https://www.gsoc.org/past-presidents/tag/Kenney monthly 0.5 https://www.gsoc.org/past-presidents/tag/Jones monthly 0.5 https://www.gsoc.org/past-presidents/tag/Clark monthly 0.5 https://www.gsoc.org/past-presidents/tag/Ewen monthly 0.5 https://www.gsoc.org/past-presidents/tag/Robustelli monthly 0.5 https://www.gsoc.org/past-presidents/tag/Niewendorp monthly 0.5 https://www.gsoc.org/past-presidents/tag/Delano monthly 0.5 https://www.gsoc.org/past-presidents/tag/McClung monthly 0.5 https://www.gsoc.org/past-presidents/tag/Gordon monthly 0.5 https://www.gsoc.org/past-presidents/tag/Purchase monthly 0.5 https://www.gsoc.org/past-presidents/tag/Rasmussen monthly 0.5 https://www.gsoc.org/past-presidents/tag/Stevens monthly 0.5 https://www.gsoc.org/past-presidents/tag/Beemer monthly 0.5 https://www.gsoc.org/past-presidents/tag/Baldwin monthly 0.5 https://www.gsoc.org/past-presidents/tag/Wilson monthly 0.5 https://www.gsoc.org/past-presidents/tag/Freer monthly 0.5 https://www.gsoc.org/past-presidents/tag/Wilbur monthly 0.5 https://www.gsoc.org/past-presidents/tag/Crowe monthly 0.5 https://www.gsoc.org/past-presidents/tag/Bonebrake monthly 0.5 https://www.gsoc.org/past-presidents/tag/Palmer monthly 0.5 https://www.gsoc.org/past-presidents/tag/Bartels monthly 0.5 https://www.gsoc.org/past-presidents/tag/Turner monthly 0.5 https://www.gsoc.org/past-presidents/tag/Waiste monthly 0.5 https://www.gsoc.org/past-presidents/tag/Schminky monthly 0.5 https://www.gsoc.org/past-presidents/tag/Helfrich monthly 0.5 https://www.gsoc.org/past-presidents/tag/Piper monthly 0.5 https://www.gsoc.org/past-presidents/tag/Wilcox monthly 0.5 https://www.gsoc.org/past-presidents/tag/Corcoran monthly 0.5 https://www.gsoc.org/2024-recap-images daily 0.75 2025-02-20 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1740010176751-VG7RJLNPQFM00MJZN760/gsocrecap2024_final_Page_28_Image_0001.jpg 2024 recap images - 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Laughing Planet dropping acid - 1.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863082973-V20E4C229B36U5QV7FMZ/rock+show-n-tell+-+3.jpeg rock show & tell - rock show-n-tell - 3.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863055217-UDZWY0LWYFUYUBPD92W4/rock+show-n-tell+-+1.jpeg rock show & tell - rock show-n-tell - 1.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863160080-WNR7VW38WLMYJN0JL4W1/WWD+Meetup+July+2022+-+1+%281%29.jpeg rock show & tell - WWD Meetup July 2022 - 1 (1).jpeg https://www.gsoc.org/gsoc-past-presidents-book-one-b daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401160231839-HQYXCCTNZOF8COLT9NTU/ethodge.jpg GSOC Past Presidents 1940 - 1944 1940 - JOHN CYPRIAN STEVENS (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401160499512-B2H92R5NW7USWSK65CUX/1941knphillips.png GSOC Past Presidents 1940 - 1944 KENNETH PHILLIPS (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401160721643-4SU3MRZMEAHQGDGH9CY5/1942hbschminky.png GSOC Past Presidents 1940 - 1944 H. BRUCE SCHMINKY (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401161572630-NCSDFRNAFY5RAMC0EZWK/1943llruff.png GSOC Past Presidents 1940 - 1944 LLOYD L. RUFF https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1401162110431-XY9EPNFOFRBI0P4FAN2I/1944enbates.png GSOC Past Presidents 1940 - 1944 E. NEWTON BATES https://www.gsoc.org/gsoc-past-presidents-book-one-d daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403313284838-W7S1IA69USMQ98C59H41/1950ethodge.png GSOC Past Presidents 1950-1954 1950 - DR. EDWIN THOMAS HODGE (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403313483999-X4E9PRI2R8Y8EGD5KKSN/hodgeoregonian.jpg GSOC Past Presidents 1950-1954 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403313816472-68VPM792KTWYOSS6DWIR/1951fewilson.png GSOC Past Presidents 1950-1954 1951 - FORD E. WILSON https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403313969989-JQJ27RZ8M9TCYKR6NV1I/1952nbstone.png GSOC Past Presidents 1950-1954 1952 - NORRIS B. STONE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403314215953-827XF8G6Q936OROH4DRF/1953rlbaldwin.png GSOC Past Presidents 1950-1954 1953 - RAYMOND L. BALDWIN (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403314432923-0V9UPLO4PIWCNJ4Q26O3/1954ajkeen.png GSOC Past Presidents 1950-1954 1954 - ALBERT JAMES KEEN https://www.gsoc.org/home daily 1.0 2026-03-24 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1fe401f5-7162-482a-8113-a49e35dde26a/2026-03-23+GSOC+FT+SCHED.png Home - Make it stand out Field trips for 2026 are in the works! So far we have 4 one-day local trips planned. Stay tuned in case we add any other trips! See field trips page for more info. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050034926-X2KR6V8B0CLS90XOXK4Z/gsocrecap2022_Page_71_Image_0003.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050035089-U6NMU34JH171MW0NV6CB/gsocrecap2022_Page_71_Image_0002.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050036166-T1Q6YIPX2XAMFXLVLNEH/gsocrecap2022_Page_71_Image_0001.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050036502-WQ3XLFR3MPUZK75RF0H6/gsocrecap2022_Page_70_Image_0001.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050037357-HJV5EZQLTMDUEP3ZXCUH/gsocrecap2022_Page_69_Image_0002.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050037662-LCUXG11TYO6JCA2GWDV7/gsocrecap2022_Page_69_Image_0001.jpg Home 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https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050100366-YI59FHTRJFUGM9PPXQF7/gsocrecap2022_Page_21_Image_0002.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1677050111965-N33GRAGCXHG6WC5AKP3P/gsocrecap2022_Page_10_Image_0001.jpg Home https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1770503381599-W8IFI32CPNVF467FFFOS/gsocrecap2025_thumb.png Home https://www.gsoc.org/gsoc-past-presidents-book-one-f daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403325042620-6F79F5R3RFRNNSKPEPSD/1960fbrown.png GSOC Past Presidents 1960-1964 1960 - FRANKLIN MONROE BROWN https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403325273249-IW0FCJWA1RZQN0GXDWDK/1960rfwilbur.png GSOC Past Presidents 1960-1964 1961 - ROBERT FISHER WILBUR https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403325478078-0Y71PNXIUXKX70B50JBY/1961jhhammond.png GSOC Past Presidents 1960-1964 1961 - JOHN HAYNE HAMMOND https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403325682179-DOL6122P2IDPDR7AQ27B/1962lhdelano.png GSOC Past Presidents 1960-1964 1962 - LEONARD HATSIL DELANO https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403325800685-HXDUYQNPSQG9G0LOH0W8/1963arkenney.png GSOC Past Presidents 1960-1964 1963 - ALBERT RICHARD KENNEY https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403326148147-9FVY7837R0O4DBSLWLKX/1964igewen.png GSOC Past Presidents 1960-1964 1964 - IRVING GILBERT EWEN https://www.gsoc.org/contact daily 0.75 2026-01-08 https://www.gsoc.org/fieldtrips daily 0.75 2026-03-24 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515491266924-JLGGES3GA77IWCJPZEJR/Goshen-1938-v2.jpg Field Trips - April 1938 — Goshen Fossil Leaf Pit https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399669653895-L4NHZL36TDPJXYFQ24CX/1998+July+Buried+Forests+Ken.jpg Field Trips - July 1998 - Buried Forests of Mt. Hood https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399670210276-5TCFUEQP6AWSWXK5GZNR/1999+April+Erratic+Rock.jpg Field Trips - April 1999 - Erratic Rock State Park https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399670736528-8CAVVO0QN3TR46RQ3C6U/2000+Sept+Missoula+Floods.jpg Field Trips - Sept. 2000 - Ice Age Floods https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671011469-HYFISYWQICGRBE7XBT7R/2000+Sept+Missoula+Floods+2.jpg Field Trips - Sept. 2000 - Ice Age Floods https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671145161-7MS9L13Y0W8RWIRDFB0Q/2002+Feb+Grotto.JPG Field Trips - Feb. 2002 - Grotto/Rocky Butte Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671271577-PFHEGJHR3IUFX9K6OWVF/2004+Sept+Mt+Hood.jpg Field Trips - Sept. 2004 - Mt. Hood https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671475427-SK8M8K4NZ930OAY7VS45/Sept+2005+Blue+Basin.jpg Field Trips - Sept. 2005 - John Day Fossil Beds https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671623659-UZ45EUPD3ZQ783K8M4FV/2006+July+Bull+Run.jpg Field Trips - June 2006 - Bull Run Watershed https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671829529-1F9Z2FXNQB5ERXJFY4XK/2006+Aug+Ape+Cave+doug_treehole.jpg Field Trips - Aug. 2006 - Ape Cave https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399671960707-AI2MGQ2U1ZIFGL3313L8/Feb+2007+Newport+Fossil+Fest.jpg Field Trips - Feb. 2007 - Newport Fossil Fest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399672551957-3XOACF9BN8M7E81DW3OP/2007+June+Mt+Hood.jpg Field Trips - June 2007 - Mt Hood https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399672319556-BFVMFOLZWM1FUHPYSF9B/2007+Sept+Klamath+Mts.jpg Field Trips - Sept 2007 - Klamath Mountains https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399672700658-OE8QUJMCP1HXXDJYJKJU/2008+Feb+Newport.jpg Field Trips - Feb. 2008 - Newport Fossil Fest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673251893-WN5N3UAWUFJ1UAISHWBH/2008-June-Crack-in-the-Ground.gif Field Trips - June 2008 - Christmas Valley & Summer Lake https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673401878-9OUJAESLEX76YVP8CVN5/2008+June+Maars.jpg Field Trips - June 2008 - Journey to Maars https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673649640-CH7UJVMFLVTIO8S8JMVW/2008+Sept+Blue+Mtns.jpg Field Trips - Sept. 2008 - Blue Mountains https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673821089-G2N38AMFPXXHOQ943ZVC/2008+Sept+Baker+Ctyminegroup.jpg Field Trips - Sept. 2008 - Baker County https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399673926496-CLMLTYJKFQNJQB820YE9/2009+Feb+Newport+Fossil+Fest.jpg Field Trips - Feb. 2009 - Newport Fossil Fest https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674040240-D72EE248KT1GEHXX4AIK/2009+June+Eastern+Gorge.jpg Field Trips - June 2009 - Eastern Columbia Gorge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674152505-SRJZTL74T618JGGV9PC8/2009+July+Silverfalls.jpg Field Trips - July 2009 - Silver Falls State Park https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674273729-WO144UU32RU7HVP7IXLK/2010+June+Bullrun.jpg Field Trips - June 2010 - Bull Run Watershed https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674570388-VA9VEJGA83LEYVBVHJD4/2010+July+Devonian+outcrop.jpg Field Trips - July 2010 - President's Trip - Oldest Rock in Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1399674681137-XJXI3RZXKLOG1O07KB1O/2013+May+Two+Calderas.JPG Field Trips - May 2013 - Two Calderas https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1426194035795-JUNRCN7Y2RWMK4EDJJ4E/image064.jpg Field Trips - May 2014 - Lewiston Basin/Snake River https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1410110869761-UNMT3ZYW9M3YYF8RH57A/IMG_1260.JPG Field Trips - Sept. 2014 — Cascades Sedimentary Geology https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515492037319-Y1UVMC3VLG7YWRFIBOG1/Scouting+Trip+to+Southeast+Oregon_Page_24_Image_0002.1.jpg Field Trips - Sept. 2015 — Wonders of Southeast Oregon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1465932589166-RM0EZKGSC79AJTPUMY48/tilted+hillside+group.jpg Field Trips - June 2016 — Eastern Columbia River Gorge https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515492370648-UIY2ZWF7N89TQH5QN85G/2017+eclipse+totality+Montross.jpg Field Trips - Aug. 2017 — Eclipse Field Trip https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1515492542218-O0P7DIPDNNB09TIBY5KU/Mt+St+Helens+Spirit+Lake+penninsula.jpg Field Trips - Sept. 2017 — Mt. St. Helens Helicopter Tour https://www.gsoc.org/history daily 0.75 2024-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1431160453515-9RMQ71IJTM5ZRT2LUHH6/image-asset.jpeg History https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398475041271-L5BB0DB271X2971X1TRJ/image-asset.jpeg History https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/bb4291ff-2ffb-41bc-9ed9-130a16164f66/ET+Hodge+standing.png History Dr. Edwin T. Hodge - August 1949 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398475405811-J5FVDZF7ZZ6UR3RFRQ3D/image-asset.jpeg History Photo of The Two Islands showing the photo of author and Oregon historical figure Thomas Condon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398475311324-DDXWFOUZ85OAW7CWQE9L/image-asset.jpeg History Past Presidents Carol Hasenberg and Ray Crowe make light with the GSOC pickaxe and gavel during the 2000 GSOC banquet. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398475569279-0GGLT0R6F2J8BWZKB6G1/image-asset.jpeg History Photo of the GSOC pickaxe and The Two Islands taken during the 2010 GSOC banquet. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398475508241-MM9DKD69P6I5LJIC2N7R/image-asset.jpeg History Photo of the GSOC gavel taken during the 2010 GSOC banquet. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1398475909056-2RHO052B4EZDR1E28Z16/image-asset.jpeg History The GSOC plaque has graced this part of Mt. Tabor Park for over half a century. https://www.gsoc.org/lecturesevents daily 0.75 2024-10-27 https://www.gsoc.org/newsletter-archive daily 0.75 2024-09-14 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1408087114866-OAKOIEXXEDGVCFMZQN05/image-asset.png Articles https://www.gsoc.org/gsoc-past-presidents-book-two-a daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423427005548-ZZ998NH7USH5V4JSXK98/1970leoberson.png GSOC Past Presidents 1970-1974 1970 - LOUIS EDWARD OBERSON (CHARTER MEMBER) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423427768059-22W8JORDML2K8NUF0X5O/1971akstrong.png GSOC Past Presidents 1970-1974 1971 - archie Kelly strong https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423428427316-8GJA0RTGY4SQH6UMJOIL/1972fmfahrion.png GSOC Past Presidents 1970-1974 1972 - f. mcneal fahrion https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423428744038-4PUFPF596JN768HOCBRX/1973gemalinsr.png GSOC Past Presidents 1970-1974 1973 - George edgar malin, sr. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423429211288-H88KJ27W3OZRS2MU71DF/1974cfstahl.png GSOC Past Presidents 1970-1974 1974 - clair francis stahl https://www.gsoc.org/slideshow daily 0.75 2023-03-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420186448-TI1QECEOJBEYOH7HC9GD/GSOC+Pre-show+v2.001.jpeg GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420185923-4N5A3UMXVB8D5GVEU8O3/GSOC+Pre-show+v2.002.jpeg GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420188928-N06MW5GCSDMXFNZQDCUG/GSOC+Pre-show+v2.003.jpeg GSOC Slideshow https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420192828-SYXZB8OIXYWAXGW5VESD/GSOC+Pre-show+v2.004.jpeg GSOC 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https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420293856-3NMKC08ZWE6YFP9W7MT9/GSOC+Pre-show+v2.060.jpeg GSOC Slideshow https://www.gsoc.org/gsoc-past-presidents-book-one-g daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403330440620-7WG2NH9LLVHHYO33GWWI/1965femiller.png GSOC Past Presidents 65-69 1965 - FREDERICK EARL MILLER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403330775465-PZBTM53OQTXSI7ELIRJL/1966lawilcox.png GSOC Past Presidents 65-69 1966 - LLOYD ALBERT WILCOX https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403330950855-JFY3IVOC8FI7QLZEROY7/1967rsmason.png GSOC Past Presidents 65-69 1967 - RALPH STEVENSON MASON https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403331234888-61AJLBCJBAUHF6UO5YAY/1968ddbarr.png GSOC Past Presidents 65-69 1968 - DONALD DUNCAN BARR https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403331482604-C845PGPP3GWB4J874G3K/1969wrmcclung.png GSOC Past Presidents 65-69 1969 - WALLACE RILEY McCLUNG https://www.gsoc.org/gsoc-past-presidents-book-one-a daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1400298179160-11566JU9G9A0GED17CQ9/ETHodge.jpg GSOC Past Presidents 1935-1939 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1400299938871-2SXPCD7IC4JORLHX0HKZ/ethodge.jpg GSOC Past Presidents 1935-1939 1935 - DR. EDWIN THOMAS HODGE (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1400302419595-R9L6GCEOJJ0ABDS9ACHK/image-asset.png GSOC Past Presidents 1935-1939 CLARENCE D. PHILLIPS (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1400387860442-SREKI8ZLQ28Z1V19B7CN/image-asset.png GSOC Past Presidents 1935-1939 ALBERT DUNBAR VANCE Charter Member https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1400304395361-3WS6H808KPMFPB9NYPPJ/image-asset.png GSOC Past Presidents 1935-1939 RAY C. TREASHER (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1400304657791-QYMEMHCXQOV2UKZF704G/image-asset.png GSOC Past Presidents 1935-1939 ARTHUR MAINE PIPER https://www.gsoc.org/gsoc-past-presidents-book-two-b daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423432384201-BCZDOKXEO36MVBRMK8ER/1975jhbonebrake.png GSOC Past Presidents 1975-1979 1975 - JOHN HENRY BONEBRAKE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423435369689-8R6XLFYDXRPWZH33RY7I/1976omhelfrich.png GSOC Past Presidents 1975-1979 1976 - OPAL MAY HELFRICH https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423435567577-P4QL6YWP0XHQRCL5KHUV/1977nahessel.png GSOC Past Presidents 1975-1979 1977 - NORMAN A. HESSEL https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423438029299-QAX11C5SOVQCC8KJC5I8/1978rwaistejr.png GSOC Past Presidents 1975-1979 1978 - ROBERT wAISTE, JR. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423438275347-R7NC93OC38JGKHMJST1S/1979wmfreer.png GSOC Past Presidents 1975-1979 1979 - WILLIAM M. FREER https://www.gsoc.org/gsoc-past-presidents-book-one-c daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1402375985560-O5ZEY14ZHTJI0BMLWN6E/awhancock.png GSOC Past Presidents 1945 - 1949 1945 - ALONZO WESLEY HANCOCK (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1402376265456-4ADE9HEBXWZZN56VJL3P/1946jeallen.png GSOC Past Presidents 1945 - 1949 1946 - DR. JOHN ELIOT ALLEN https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1402376497886-26NQDSAOWFV0QCHPLKJX/1947agjones.png GSOC Past Presidents 1945 - 1949 1947 - DR. ARTHUR CARHART JONES (Charter Member) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1402376812879-4A76PH047YFT9EPLT2PP/1948fwlibbey.png GSOC Past Presidents 1945 - 1949 1948 - FAY W. LIBBEY https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1402377101669-ISD0NFM6GKC5EZBTFRON/1949lfsimon.png GSOC Past Presidents 1945 - 1949 1949 - LEO FRIEDRICH SIMON (Charter Member) https://www.gsoc.org/gsoc-past-presidents-book-two-c daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423451017790-GZLURPBHGQI9GVQ8A662/1980dgturner.png GSOC Past Presidents 1980-1984 1980 - DONALD GOLDEN TURNER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423451415436-492IVLKYSGVR2GQUL6YK/1981jdbeemer.png GSOC Past Presidents 1980-1984 1981 - JOSEPH D. BEEMER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423451810568-UY5LD7XO73KD1WPUAJLD/1982rhkeen.png GSOC Past Presidents 1980-1984 1982 - RUTH HOPSON KEEN https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1452827610111-5KQBSG7V7QY7C8CCGCNE/1983clairstahl GSOC Past Presidents 1980-1984 1983 - clair stahl https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423452153061-PS02Y3526ESZOD8PO3OZ/1984vloberson.png GSOC Past Presidents 1980-1984 1984 - VIOLA LAGASSE OBERSON https://www.gsoc.org/gsoc-past-presidents-book-one-e daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403323156092-R0FAFNRBKXH5TH0LJPEW/1955wfclark.png GSOC Past Presidents 1955-1959 1955 - WILLIAM FERGUSON CLARK https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403323233587-7GBE1GJSOC19Q8UBGXFB/1956fggilchrist.png GSOC Past Presidents 1955-1959 1956 - FRANCIS GARRITT GILCHRIST https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403323388592-O07NWYA1QA9WDLFN49PS/1957lapalmer.png GSOC Past Presidents 1955-1959 1957 - LEROY ATWOOD PALMER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403323631508-ARD4KRLASZYJ3DFDKVX8/1953rlbaldwin.png GSOC Past Presidents 1955-1959 1958 - DR. JAMES STAUFFER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1403323747918-YG4HNP8TYXIJW5ZR56JR/1959pwhowell.png GSOC Past Presidents 1955-1959 1959 - PAUL WILLIAM HOWELL https://www.gsoc.org/gsoc-past-presidents-book-two-e daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447988990591-M7SQRIS2R1GORZH12B5Z/1991wsunderland.png GSOC Past Presidents 1990-1994 1991 - WALTER A. SUNDERLAND https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447989420221-075MPNCD8Z5126QHKJIS/1992evelynpratt.jpg GSOC Past Presidents 1990-1994 1992 - evelyn pratt https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447989823611-DVYKIYW68G2NKBM15GDQ/1993estherkennedy.jpg GSOC Past Presidents 1990-1994 1993 - ESTHER KENNEDY https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447990119771-BM08L3EL5QKSEDFH2HR2/1994donbotteron.jpg GSOC Past Presidents 1990-1994 1194 - donald botteron https://www.gsoc.org/gsoc-past-presidents-book-two-d daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423508505893-06S60KH8FJ1QHNSDF7XZ/1985dbparks.png GSOC Past Presidents 1985-1989 1984 - DONALD B. PARKS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423509200729-YZWU22GA6SBOZBL0PZ7B/1986hrnewhouse.png GSOC Past Presidents 1985-1989 1986 - HAZEL R. NEWHOUSE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423509276226-DPE0A1YLK9Q8QL2T91PX/1987recorcoran.png GSOC Past Presidents 1985-1989 1987 - RAYMOND E. (Andy) CORCORAN https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423509606210-TWKNUTZMY7ZRCGAW5LMW/1988jrobustelli.png GSOC Past Presidents 1985-1989 1988 - JOLINE ALTA ROBUSTELLI https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1423509949199-AM41H7NTWL1CKQHRO8PS/1989rkenney.png GSOC Past Presidents 1985-1989 1989 - ROSEMARY RICHARTZ KENNEY https://www.gsoc.org/gsoc-past-presidents-book-three-a daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447991424463-8H5EC5MOZGQPE4PDV264/1995claykelleher.jpg GSOC Past Presidents 95-99 1995 - CLAY KELLEHER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447991580936-KUMXKZ0C6NDLWQ7XBZ3F/1996richardbartels.jpg GSOC Past Presidents 95-99 1996 - RICHARD "BART" BARTELS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447991933489-SXHNBM89L8YBPCZRSAC8/1997paulbrown.jpg GSOC Past Presidents 95-99 1997 - PAUL BROWN https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447992066965-8PR5I8Q6HSBT5QR06J7B/1998bevvogt.jpg GSOC Past Presidents 95-99 1998 - Beverly vogt https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447992226665-PE83WOURHSNF2RORDCI8/1999carolhasenberg.jpg GSOC Past Presidents 95-99 1999 - CAROL S. HASENBERG https://www.gsoc.org/gsoc-past-presidents-book-three-d daily 0.75 2016-02-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447995151631-KRIP31N6E2XDQCMTAH9O/2010larrypurchase.jpg GSOC Past Presidents 2010-14 2010 - LARRY PURCHASE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447995276841-ZF8FFMGN50JN7AVX28KK/2011riksmoody.jpg GSOC Past Presidents 2010-14 2011 - RIK SMOODY https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447995480451-0BZ7BHJ3BKJNFDW5HJVW/2013johnpiccininni3.jpg GSOC Past Presidents 2010-14 2013 - JOHN PICCININNI https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1455589523693-HM0K066GYJKMKDB6JISK/2014sheilaalfsen GSOC Past Presidents 2010-14 2014 - Sheila alfsen https://www.gsoc.org/gsoc-past-presidents-book-three-c daily 0.75 2016-01-15 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447994390588-1BFTXC7TC5Y6THEE8F4Q/2005charlescarter2.jpg GSOC Past Presidents 2005-09 2005 - CHARLES CARTER https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1448505370347-XWOUE87A3QPCMTXNJS19/2006bonnieprange.jpg GSOC Past Presidents 2005-09 2006 - BONNIE PRANGE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447994603187-ICODQ6XWRFC3XLTA0GA6/2007richardbartels.jpg GSOC Past Presidents 2005-09 2007 - RICHARD BARTELS https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447994777270-AVTPY1BJ681JC218P68Z/2008janetrasmussen.jpg GSOC Past Presidents 2005-09 2008 - JANET RASMUSSEN https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447995816932-S0U3PL6M0FTSSQ9CHGO8/2009carolhasenberg.jpg GSOC Past Presidents 2005-09 2009 - CAROL HASENBERG, TRINITY, AND NICK THE CRAZY DOG https://www.gsoc.org/gsoc-past-presidents-book-three-b daily 0.75 2016-02-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447993344585-67FRRYNAKHKI871LPWTF/2000raycrowe.jpg GSOC Past Presidents 2000-04 2000 - RAY CROWE https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1455600264874-I297Z5BVNLSKEQNVAYZU/2002thomasgordon GSOC Past Presidents 2000-04 2002 - Thomas gordon https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447993702466-W0SIKJGLXI3RJP6QOAYA/2003sueikeda.jpg GSOC Past Presidents 2000-04 2003 - SUE IKEDA https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1447993868812-TH3MDX0VL8W078H9SX9Y/2004claykelleher.jpg GSOC Past Presidents 2000-04 2004 - CLAY KELLEHER https://www.gsoc.org/tour-beta daily 0.75 2017-03-22 https://www.gsoc.org/eclipse-trip-info-for-campers daily 0.75 2017-08-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1501830939310-11BAXKG6KYWZU70P9HIH/image-asset.jpeg Prez' Eclipse Trip Info for Campers https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1501831279160-O6H0LG4T6IF49FVMZ3Q8/image-asset.jpeg Prez' Eclipse Trip Info for Campers https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1501829891664-D6X984YB24S76L89C8DO/image-asset.jpeg Prez' Eclipse Trip Info for Campers https://www.gsoc.org/prez-eclipse-trip-schedule daily 0.75 2017-08-16 https://www.gsoc.org/johnson-creek-geology daily 0.75 2017-09-08 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504849069607-ENDIB1QMOJGX936M3N4B/Canyon-rocks---composite.jpg Johnson Creek Geology Reed College canyon stream with quartzites and basalts. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504849184327-5MILUZO5E3GUIPV4F08W/Mt-Tabor-eruption.jpg Johnson Creek Geology Eruption of BORING Volcanic Mt. Tabor as imagined from modern day portland https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504849267647-31UO8ZA54TSYVB6O7HZ4/view-of-buttes-with-Missoula-flood-waters.jpg Johnson Creek Geology ICE AGE missoula flood waters inundated the portland basin ((Lake allison) scouring thevolcanic buttes in the process. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504852911144-AG42O6SB2Q0ZEL7FURGG/Headwaters+plateau+with+boundary+and+Sandy+R.png Johnson Creek Geology Headwaters plateau (in red) with incised meanders of sandy river showing uplift. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504853141337-N3O02SX595Y4WEEUH2Q3/Headwaters+plateau+seen+from+Sandy+R+w+stratigraphy.png Johnson Creek Geology View of plateau from sandy river showing layer of river rock (blue) and Loess (cream). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504853599571-5B2VWZV1BXLUMEJ1YDVS/Boring_lava_allen_map-detail.jpg Johnson Creek Geology Boring lava field contains 32 cinder cones Aged 2.7 million to 50,000 years ago. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504853734676-CZU26PG2A7TWSRCCTARK/Johnson+Creek+water+temperature.jpg Johnson Creek Geology water cooled by buttes is good habitat for salmon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504859723576-JVIZS175K1EJ4KN0NJNG/missoula+floods+map.jpg Johnson Creek Geology Flood waters from Glacial lake missoula emptied into the columbia drainage and backed up into the willamette valley. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504860075355-TCU0MGTTAFC52905LC8I/Missoula+deposits+surficial+map.png Johnson Creek Geology an apron of coarse sediments (dark tan) were deposited first as the flood slowed coming out of the gorge. fine sediments (light tan) were deposited where water ponded in temporary lake allison. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504860405049-H32IRE074K8FP5H80QS1/Channel.png Johnson Creek Geology johnson creek makes a sharp left south at the dry channel. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1504861881353-LW7147AN6RDU5K0SIXRX/Elk+Island.jpg Johnson Creek Geology waverly formation basalts are an accreted terrane over 40 million years old. https://www.gsoc.org/tmp daily 0.75 2022-08-10 https://www.gsoc.org/2018-snake-river-registration-page daily 0.75 2018-01-26 https://www.gsoc.org/hancock-preregistration-page daily 0.75 2018-06-25 https://www.gsoc.org/mt-st-helens-registration-page daily 0.75 2018-07-12 https://www.gsoc.org/2018-potluck-rsvp daily 0.75 2018-08-08 https://www.gsoc.org/hancock-registration-sunday-only daily 0.75 2018-08-21 https://www.gsoc.org/wallowa-slideshow-page daily 0.75 2019-07-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557721384-4SVW8OBBDSRJCW88MKG5/GSOC_Wallowa+article_Page_01_Image_0001.png Wallowa slideshow page - I’ll begin this article with a picture of the Buckhorn Overlook taken on May 18, 2019, when Evelyn Bennett, Julia Lanning and I did the reconnaissance for the Wallowa trip. We were directed up here by guest field trip leader Ellen Morris Bishop as this is the best overlook of the eastern canyons area for observing the ranks upon ranks of Columbia River Basalt flows that override the exotic terrane rocks of Hells Canyon, Imnaha Canyon and the Zumwalt Prairie through which we had travelled to get there. We are actually looking down into Imnaha Canyon here and Hells Canyon is just over on the other side of the last green ridge you can see. The blue ridge beyond is the eastern wall of Hells Canyon. (Photos by Carol Hasenberg unless otherwise marked.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1565154982604-QG7SB8XHLV9DGKV5AFL6/GSOC_Wallowa+article_Page_01_Image_0001.png Wallowa slideshow page - There are only two of the six formations of the Columbia River Basalt Group outcropping in the Hells Canyon and Wallowa area – the Imnaha below and the enormous Grande Ronde above. The lineation of the canyon walls reflects individual flows of each formation. The grassy bench in the lower portion of the canyon marks the top of the Imnaha. (Another reason that I’m showing this picture is to contrast this nice partly sunny day in May with the partly rainy and cold ‘Junuary’ day we got for the official trip. In fact, we did not plan to do Buckhorn on the first day of the field trip, but the weather forced us to rearrange the days a bit to save the nicer weather for the day of the hike.) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557715942-6T2YPZL1F9ZHKFBSU9JI/GSOC_Wallowa+article_Page_02_Image_0001.png Wallowa slideshow page - This shot shows the weather on June 20, 2019. A participant, Joyce Mills, is wrapped in winter gear to brave the 39-degree weather. The confluence of the Imnaha and the Snake occurs just to the left of the prominent ridge in the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557725946-BFK2Z518R6MBKKTG6K32/GSOC_Wallowa+article_Page_02_Image_0002.png Wallowa slideshow page - On the way to Buckhorn the most prominent features in Zumwalt prairie are the Findley Buttes shown in the background of this shot taken at the Nature Conservancy Horned Lark trailhead. The buttes are shield volcanoes from the last of the Grande Ronde flows capping the prairie. Overlying the basalt are various late Miocene ash flow tuffs and windblown loess from the Ice Ages, giving the prairie features a soft, rounded appearance. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557734164-GU12EZDC7VCL6CQV8NAP/GSOC_Wallowa+article_Page_03_Image_0001.png Wallowa slideshow page - Along the Zumwalt Prairie we also encountered a patchwork of low mounds with rocky drainages between them. These ‘biscuit scablands’ or ‘mima mounds’ are believed to have been sculpted by generations of pocket gophers, who frequently scurried across the path of the vehicles. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557746923-M4NUL6460ZBFYE6X0H2D/GSOC_Wallowa+article_Page_03_Image_0002.png Wallowa slideshow page - In a couple of roadcuts the Grande Ronde basalt could be spotted on the prairie. Charlie Raymond poses by one of these. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557747905-3LRZWWTDOAPM1DA55EK1/GSOC_Wallowa+article_Page_04_Image_0001.png Wallowa slideshow page - This closeup of the basalt at the roadcut shows the onion-peel characteristic of spheroidal weathering, and is not to be confused with pillow basalts. Pillow basalts form under water and exhibit radial cracking patterns. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557762993-6LD662XW3ZSPILYVL6JU/GSOC_Wallowa+article_Page_05_Image_0001.png Wallowa slideshow page - The field trip guide for this part of the trip was photographer Dave Jensen (tan outfit in the center), who took the group to a grove which was an ancient camp of the Nez Perce tribe. The Nez Perce stripped bark from the trees to mark the camp site, which can be seen on the Ponderosa pines over Dave’s shoulder. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557764380-3RW9IE3NOAN4VWZJ1JIK/GSOC_Wallowa+article_Page_06_Image_0001.png Wallowa slideshow page - Later that evening my car buddies Dawn Juliano, Larry Jordan and I went into downtown Enterprise to explore several buildings sheathed with Bowlby Stone. A tuffaceous material erupted during the Grande Ronde flows, Bowlby stone was a popular material because it cut easily when wetted. Larry hams it with the detective work. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557776844-45BA1MCHB0ET3ASOJ7QU/GSOC_Wallowa+article_Page_06_Image_0002.png Wallowa slideshow page - Here is the money shot of the graceful Wallowa County Courthouse which is also sheathed in Bowlby stone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557784036-2JD44WOUU2CKUT74K5X7/GSOC_Wallowa+article_Page_07_Image_0001.png Wallowa slideshow page - We also explored the difference in the “fake Bowlby stone”, or concrete made to resemble the color and texture of the real stuff. Concrete is on the left and real Bowlby stone is on the right. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557785995-BJW31H2LH8Z25MDLSMDU/GSOC_Wallowa+article_Page_07_Image_0002.png Wallowa slideshow page - Next day we organized our carpools to head into Hells Canyon. This drive was approximately 90 miles each way over twisty roads from Joseph. Stop 1 on Highway 350, just a few miles from Joseph, was a roadcut through a phreatic explosion of Grande Ronde basalt. The explosion was a result of water or mud mixing with the hot lava. Pelagonite was produced in the eruption, and it is characterized by the sulphurous yellow of the mineral limonite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557800123-595US96IGPRN3POHX8YQ/GSOC_Wallowa+article_Page_08_Image_0001.png Wallowa slideshow page - About 40 miles into the drive we stopped at Hells Canyon Overlook. Also a bit of a misnomer, we are looking down a side canyon that terminates in Hells Canyon. In the closest ridge shown in the picture we see the CBRG. From the overlook we could also see folded swirls of the marble of the Martin Bridge Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557799198-RT61YHFWYUC9VJYO0U51/GSOC_Wallowa+article_Page_09_Image_0001.png Wallowa slideshow page - Our first two stops in Hells Canyon were in the first five miles north of Copperfield on the Idaho side, where we viewed the greenstones of the Hunsaker Creek formation. These were formed when the ancestral volcanic rocks of the Wallowa Terrane, from the Permian period, metamorphosed under the pressure of the accretionary process. Bishop answers some questions from the participants. For you mineral buffs, in his book Islands and Rapids, Tracy Vallier describes the volcanic rocks of the Hunsaker Creek Formation as metamorphosed to the greenschist facies, changing the composition to keratophyre or quartz keratophyre, rich in the minerals quartz and albite with minor amounts of chlorite, epidote, and calcite. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557819941-6PQ6XDX4XIVAOWJYJ0OA/GSOC_Wallowa+article_Page_10_Image_0001.png Wallowa slideshow page - And here is a picture of a greenstone from the first stop. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557812944-K30VMWPW8KMFEQXGIH4S/GSOC_Wallowa+article_Page_10_Image_0002.png Wallowa slideshow page - Looking ahead at Hells Canyon stop 2 we see the swirls of a crag of the marbleized Triassic Martin Bridge Formation of the Wallowa Terrane. We stopped near there on the return from the canyon to observe some tiny fossil imprints still present in the rock, and cracked some samples open to smell the ‘petroliferous’, or oily-sulfurous smell still present therein from the decay of organic material in the original limestone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557824790-LVY4ICAE1T6WKS6EAVEB/GSOC_Wallowa+article_Page_11_Image_0001.png Wallowa slideshow page - At the third stop we could also look across the Snake River to view some swirling strata of the Martin Bridge Formation on the Oregon side. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557826892-GODSEUH9GI48R6QASICG/GSOC_Wallowa+article_Page_12_Image_0001.png Wallowa slideshow page - Clay Kelleher brought along his muriatic acid with which to test for limestone or other calcic rocks. Here it is doing its thing on the Martin Bridge marble. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557833569-T87CA6NGXL6F0JI81VXO/GSOC_Wallowa+article_Page_13_Image_0001.png Wallowa slideshow page - This picture was taken of Ellen at the last stop before we reached Hells Canyon Dam, but darned if I can remember what the rock with the phenocrysts was about. I did not take notes at this stop. Tracy Vallier says that some flows and sills of the Wild Sheep Creek Formation have glomeroporphyritic textures and shows in the book Islands and Rapids a similar rock from a stop near Hells Canyon Dam. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557836461-AT98PIZZGFN2GK3YMXSN/GSOC_Wallowa+article_Page_14_Image_0001.png Wallowa slideshow page - This shot shows the rugged character of the Wild Sheep Creek Formation outcrops near Hells Canyon Dam. The Triassic Wild Sheep Creek Formation is more mafic than the Permian volcanic strata of the Wallowa Terrane, and it forms the steepest cliffs of Hells Canyon. Its volcanic rock origins were basalts and andesites, from lava flows, pyroclastic rocks, and breccia from debris flows, and turbidites, intermingled with small amounts of limestone. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557846461-NTGRYFGX42FDP1W9MCWG/GSOC_Wallowa+article_Page_14_Image_0002.png Wallowa slideshow page - June McAtee took this awesome shot of the mountain goats cavorting near Hells Canyon Dam on the Wild Sheep Creek Formation. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557850730-LV95WQ7ANJ6N6LMBGLEH/GSOC_Wallowa+article_Page_15_Image_0001.png Wallowa slideshow page - Carole Miles poses near a boulder from the Martin Bridge Formation on the last stop before leaving the canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557857533-RD08OIT5BWZGSK31OBW0/GSOC_Wallowa+article_Page_16_Image_0001.png Wallowa slideshow page - This shot taken from the Black Point area showcases the rugged beauty of Hells Canyon. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557872217-BZIG5WM92POFUZTZN0G3/GSOC_Wallowa+article_Page_16_Image_0002.png Wallowa slideshow page - Third day of the trip began with a little drive from Joseph toward the Hurricane Creek trailhead. On the way up the group stopped at an outcrop of the ‘Lower Sedimentary Series’, sedimentary rocks somewhat older than the Martin Bridge Formation and forming the base of Chief Joseph Mountain. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557875608-I9L7NKQG2PA7FDTI127X/GSOC_Wallowa+article_Page_17_Image_0001.png Wallowa slideshow page - From the trailhead, the field trip participants diverged into three groups for hiking. This is my ‘relaxed paced group.’ Woody English, Sheila Alfsen, Dawn Juliano, Jan Kessler, Carole Miles, I think that is Kitty Reed hiding behind Annie English, author Carol Hasenberg, and Bonnie Prange. None of us felt like endangering ourselves on the Falls Creek crossing, which was quite treacherous, so we hung out and looked at rocks in the creek bed and Kitty and Sheila led an impromptu learning session with those rocks. Then Jan Kessler, Carole Miles and I got brave and climbed the (slightly less) treacherous scree path to the falls on Falls Creek. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557890463-D8EBUYMS9BY4BDNF9X7J/GSOC_Wallowa+article_Page_17_Image_0002.png Wallowa slideshow page - We were rewarded at the top of the Falls Creek path with this outstanding outcrop of Martin Bridge marble (and also the falls, not in the picture). https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557893171-PYU7KMAVQ104J5O7M022/GSOC_Wallowa+article_Page_18_Image_0001.png Wallowa slideshow page - After the hikers returned, we jumped into our cars and drove over to the next valley west, the Losteen River valley. Here we saw this impressive outcrop of Wallowa Batholith granodiorite at the Pole Bridge Picnic Area, where we had a little picnic. This most northerly tongue of the batholith is the most accessible view of 125-140-million-year-old rocks of the stitching plutons that mark the accretion of the Wallowa Terrane onto North America. During the picnic, the group had a lively discussion of why the moraines of the Wallowa River at the outlet from the Wallowa Mountains, which form Wallowa Lake, were so much bigger and more pronounced than those of the Losteen River, whose mountain valley is nearly straight and much longer than that of the Wallowa River. After much discussion, we covered parameters such as the steepness of the Wallowa River course vs. that of the Losteen, barriers to sediment transport, etc. Also I just thought of another reason – the hardness of the material the glaciers had to carve (i.e., the Wallowa Batholith vs. the sedimentary rocks of the Wallowa Terrane). Any takers? https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557906798-UNMILN6QA8O94GFF3Z2L/GSOC_Wallowa+article_Page_19_Image_0001.png Wallowa slideshow page - The final day of the field trip began on the terminal moraine from the glacier that created Wallowa Lake. Ellen used this portion of the trip to discuss the fragile ecology of the moraine bunch grass prairie – this area is one of the few remaining stands. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557907395-Q77T6GDG05Z3YY3EXBBB/GSOC_Wallowa+article_Page_20_Image_0001.png Wallowa slideshow page - Ellen pointed out and described a number of native and invasive species in the prairie at the top of the moraine. The list included Great Basin wild rye, bunchgrass, buckwheat, pickoon, lupine, cheat grass, timothy, salsify and arnica. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557919156-NUTMPOHVEX8JLSJZJKTY/GSOC_Wallowa+article_Page_21_Image_0001.png Wallowa slideshow page - Bunchgrass and native prairie species tend to mass in bunches, leaving space to develop a ‘biological crust’ in between comprised of slow growing moss and lichen. This protective barrier is easily disturbed by grazing animals. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557916769-DY8HHIGOKPDULC7RTCED/GSOC_Wallowa+article_Page_22_Image_0001.png Wallowa slideshow page - Teresa Meyer and Barbara Stroud shown here plotting an article on the botany of the prairie. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557929192-5DF37HI40ZVD94TMNNB9/GSOC_Wallowa+article_Page_23_Image_0001.png Wallowa slideshow page - Heading up the Wallawa Lake Tramway, one gets fabulous views of Wallowa lake and the lateral moraines which enclose it like great arms coming from the mountains. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557932369-VCCOYRYVV683XSBL8KC9/GSOC_Wallowa+article_Page_24_Image_0001.png Wallowa slideshow page - The view at the top of Mt. Howard was not quite as spectacular on this day. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557936470-XAD4OBHR0LFWT226ST8T/GSOC_Wallowa+article_Page_24_Image_0002.png Wallowa slideshow page - Field trip participants Dawn Juliano, Mary and Charlie Raymond, and Woody English chat with Dave Jensen (orange coat) while waiting for the clouds to lift. Photo by Annie English. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557951882-TVDMZ0IGA842SUF1AJFE/GSOC_Wallowa+article_Page_25_Image_0001.png Wallowa slideshow page - Nevertheless Kitty Reed and I located ‘Bev’s favorite basalt’ as described to me by Larry Purchase. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557942692-9WNTVHPHGPG3LUQPWWO9/GSOC_Wallowa+article_Page_26_Image_0001.png Wallowa slideshow page - Coming down, the clouds were even lower, but one could see the front of the Wallowa Mountains as defined by the Wallowa Fault. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557949069-FWDLMDAX1Y1SOS0QG5XH/GSOC_Wallowa+article_Page_26_Image_0002.png Wallowa slideshow page - One could also see a spectacular CRBG dike sticking out of the side of East Peak, the next peak to the south of Mt. Howard. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1564557958242-XSYIVLVXNOVX3R72ZAJ6/GSOC_Wallowa+article_Page_27_Image_0001.png Wallowa slideshow page - The sun finally set on the end of a fine trip to the Wallowas. https://www.gsoc.org/past-field-trips daily 0.75 2019-11-07 https://www.gsoc.org/proposed-bylaws daily 0.75 2026-03-16 https://www.gsoc.org/membership-wa daily 0.75 2024-10-31 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420186448-TI1QECEOJBEYOH7HC9GD/GSOC+Pre-show+v2.001.jpeg Membership https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420185923-4N5A3UMXVB8D5GVEU8O3/GSOC+Pre-show+v2.002.jpeg Membership https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420188928-N06MW5GCSDMXFNZQDCUG/GSOC+Pre-show+v2.003.jpeg Membership https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1518420192828-SYXZB8OIXYWAXGW5VESD/GSOC+Pre-show+v2.004.jpeg Membership 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https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1745465579866-4ASNQIE6J0BWW6LUV1B5/image-asset.jpeg Videos - Hazards of Volcanic Ash to Aviation and the 50-Year Effort to Mitigate Them Dr. Mastin’s lecture is available to GSOC members only. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1705260788216-YO8R8TI7KEZEYJ1VFCQY/image-asset.jpeg Videos - Protecting Air Travel From Volcanic Ash, Dr. Larry Mastin Dr. Mastin’s lecture is available to GSOC members only. https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1695262542875-9UQE4IEY9N5S8NH7Z73P/image-asset.jpeg Videos - Conversion of a Plate Tectonics Skeptic, Dr. Bill Orr Dr. Orr's lecture available to GSOC members only. https://www.gsoc.org/view/modify-your-profile daily 0.75 2020-12-31 https://www.gsoc.org/board-meetings daily 0.75 2020-12-31 https://www.gsoc.org/view-member-directory-beta daily 0.75 2020-12-31 https://www.gsoc.org/geology-talk-meetups daily 0.75 2026-01-14 https://www.gsoc.org/ft-survey daily 0.75 2021-04-05 https://www.gsoc.org/calendar daily 0.75 2023-03-04 https://www.gsoc.org/new-privacy-policy daily 0.75 2021-04-02 https://www.gsoc.org/new-page-2 daily 0.75 2021-06-27 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624832711197-Q93H83RIJQBZ8E1I658N/IMG_20210602_144418136.jpg 2021 John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624837093141-LHLX5VW2JURT9JUOUJ65/IMG_20210601_110235255_HDR.jpg 2021 John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624837093276-H7BTXXR78BK1WOFNOKJ9/IMG_20210601_110250818.jpg 2021 John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624837093741-4RDJUWS7LTJ1AJLFOKDR/IMG_20210601_111552181.jpg 2021 John Day Raft Trips https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624834509996-SKX1W6NOGZU1FYRDLKFC/Bill+1.png 2021 John Day Raft Trips - Make it stand out Paddle Raft https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1624834969567-UT1YXMWX0GCG40DS278R/IMG_20210604_072538693.jpg 2021 John Day Raft Trips - Make it stand out Cathedral “Rock” “Spire” ??? https://www.gsoc.org/field-trip-calendar-short-version daily 0.75 2022-03-01 https://www.gsoc.org/field-trip-schedule-for-home-page daily 0.75 2022-03-13 https://www.gsoc.org/student-scholarships daily 0.75 2026-04-01 https://www.gsoc.org/monthly-geology-lunch-meetup daily 0.75 2025-09-03 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863137903-HAEMJOER9JOZC94V2G1C/Woodstock+Deli+Meetup+hands+with+rocks+-+640+1.png Geology Lunch Show-&-Tell - Woodstock Deli Meetup hands with rocks - 640 1.png https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863152008-FIWQ71YUYI3DYLIWEVNK/WWD+Meetup+July+2022+-+1+%283%29.jpeg Geology Lunch Show-&-Tell - WWD Meetup July 2022 - 1 (3).jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863120790-2A8MAXNV0V9KHEDFRO55/Laughing+Planet+-+1.jpeg Geology Lunch Show-&-Tell - Laughing Planet - 1.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863056187-TAV4DDM3430XDQFTBE1O/rock+show-n-tell+-+2.jpeg Geology Lunch Show-&-Tell - rock show-n-tell - 2.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863184853-6XQ0CJFR4KWCP2JDG8M6/Geode+in+UV+-+1.jpeg Geology Lunch Show-&-Tell - Geode in UV - 1.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863118843-9HEOKIB2C6I85DPQS0K0/Laughing+Planet+dropping+acid+-+1.jpeg Geology Lunch Show-&-Tell - Laughing Planet dropping acid - 1.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863082973-V20E4C229B36U5QV7FMZ/rock+show-n-tell+-+3.jpeg Geology Lunch Show-&-Tell - rock show-n-tell - 3.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863055217-UDZWY0LWYFUYUBPD92W4/rock+show-n-tell+-+1.jpeg Geology Lunch Show-&-Tell - rock show-n-tell - 1.jpeg https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1756863160080-WNR7VW38WLMYJN0JL4W1/WWD+Meetup+July+2022+-+1+%281%29.jpeg Geology Lunch Show-&-Tell - WWD Meetup July 2022 - 1 (1).jpeg https://www.gsoc.org/lecturesevents-1 daily 0.75 2023-03-04 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1478297391190-YWC8NFZD59398GN7WEDG/Pizzicato-street-view.jpg Lectures at PSU (Copy) https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/1478299329600-F79NXSQ313XXWI4HL02D/image-asset.jpeg Lectures at PSU (Copy) https://www.gsoc.org/liability-waiver daily 0.75 2023-07-22 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/c9525ec1-cbde-4328-9bce-bd8381f696d0/2023+liability+release+form.png Liability Waiver - Make it stand out Here is an image of the 2023 GSOC liability waiver, which all field trip participants will be required to sign at the meetup point for the trip. Please do not sign and mail or email this form to the trip organizers, as this will increase their workload and you will be required to sign the form onsite in any case. https://www.gsoc.org/gsoc-past-presidents daily 0.75 2024-10-16 https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/074fa53d-7e6b-48cb-ba32-51eba3215bee/Book+image+3+square.jpg GSOC Past Presidents Title page of the first archive book written in the 1960’s https://images.squarespace-cdn.com/content/v1/5358c2a3e4b00ce4f224c17d/3860f792-f814-4759-91ba-16685f9c20f9/MILDRED+-+small.JPG GSOC Past Presidents - Make it stand out The last surviving GSOC Charter Member Mildred Phillips attended the GSOC annual banquet before her death in 2001. She was born February 11, 1905. https://www.gsoc.org/field-trips-dummy-page daily 0.75 2024-10-17 https://www.gsoc.org/new-page-3 daily 0.75 2024-11-09