Geological Society of the Oregon Country (GSOC)
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Geological Society of the Oregon Country (GSOC)
  • Home/
  • Activities/
    • Lectures at PSU
    • Geology Lunch Show-&-Tell
    • Geology Hour Online
    • Liability Waiver
  • Membership/
  • Calendar/
  • Archive/
    • Articles
    • Videos
    • GSOC Past Presidents
    • History
  • Field Trips/
  • Student Scholarships/
  • About/
    • Board Contacts
    • Bylaws
    • Slideshow
  • Member Login/
Geological Society of the Oregon Country (GSOC)

Downtown PDX Geology Beta

Geological Society of the Oregon Country (GSOC)
  • Home/
  • Activities/
    • Lectures at PSU
    • Geology Lunch Show-&-Tell
    • Geology Hour Online
    • Liability Waiver
  • Membership/
  • Calendar/
  • Archive/
    • Articles
    • Videos
    • GSOC Past Presidents
    • History
  • Field Trips/
  • Student Scholarships/
  • About/
    • Board Contacts
    • Bylaws
    • Slideshow
  • Member Login/
March 08, 2017

Multnomah County Justice Center

March 08, 2017/ webmaster
Multnomah County Justice Center

Concrete exterior with Italian travertine pillars

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March 08, 2017/ webmaster/
March 08, 2017

Terry Shrunk Plaza: Lake Tai Limestone

March 08, 2017/ webmaster

Limestone

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Edith Green-Wendell Wyatt Federal Building (statue)

March 08, 2017/ webmaster

Statuary constructed of columnar Columbia River Basalt 

March 08, 2017/ webmaster/

webmaster

March 08, 2017

KOIN Tower

March 08, 2017/ webmaster

Limestone and granite street level

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Wells Fargo Center

March 08, 2017/ webmaster

Marble exterior
Granite street level

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Unitus Plaza

March 08, 2017/ webmaster

Travertine and concrete

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Oregonian Building

March 08, 2017/ webmaster

Gneiss and limestone exterior

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Portland Art Museum

March 08, 2017/ webmaster

Travertine

March 08, 2017/ webmaster/

webmaster

March 08, 2017

First Congregational Church

March 08, 2017/ webmaster

Columbia River Basalt
Tenino Sandstone

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Arlene Schnitzer Concert Hall

March 08, 2017/ webmaster

Marble and serpentinite entrance

March 08, 2017/ webmaster/

webmaster

March 08, 2017

1000 Broadway Building

March 08, 2017/ webmaster

Granite and gneiss

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Gus Solomon Courthouse

March 08, 2017/ webmaster

Sandstone exterior

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Standard Plaza

March 08, 2017/ webmaster

Granite street level
Travertine and slate lobby

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Multnomah County Courthouse

March 08, 2017/ webmaster

Granite and limestone

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Hatfield Federal Courthouse

March 08, 2017/ webmaster

Bedford Limestone
Gabbro

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Standard Insurance Center

March 08, 2017/ webmaster

Granite street level and steps, concrete exterior
Marble statute "The Quest"

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Public Services Building

March 08, 2017/ webmaster

Marble/limestone lobby

920 SW Sixth Avenue

March 08, 2017/ webmaster/

webmaster

March 08, 2017

Pacific Building

March 08, 2017/ webmaster

Granite exterior
Marble and limestone lobby

March 08, 2017/ webmaster/
granite, marble, limestone

webmaster

March 03, 2017

Apple Store

March 03, 2017/ Apple Store Pioneer Place/ webmaster

Green gneiss steps
White limestone walls

March 03, 2017/ Apple Store Pioneer Place/ webmaster/
limestone, gneiss, sedimentary, metamorphic

webmaster

May 19, 2015

Pioneer Place Mall

May 19, 2015/ webmaster

Limestone floor tiles and trim
Jurassic marine fossils

Featured
Turritella fossil
limestone, fossil, turritella
Turritella fossil
limestone, fossil, turritella
limestone, fossil, turritella
Gastropod fossil
limestone, fossil
Gastropod fossil
limestone, fossil
limestone, fossil
Crinoid fossils
limestone, fossil
Crinoid fossils
limestone, fossil
limestone, fossil
Belemnite
limestone, fossil
Belemnite
limestone, fossil
limestone, fossil
2.2.1.1 guides kneeling-at-fountain.jpg
May 19, 2015/ webmaster/
Pioneer Place Mall
limestone, fossils, sedimentary

webmaster

  • fossils
  • gneiss
  • granite
  • limestone
  • marble
  • metamorphic
  • sedimentary

Our Next Downtown Tours

GSOC • P.O. Box 80133 • Portland, OR 97280 • communications@gsoc.org