April 1938 — Goshen Fossil Leaf Pit
July 1998 - Buried Forests of Mt. Hood
April 1999 - Erratic Rock State Park
Sept. 2000 - Ice Age Floods
Sept. 2000 - Ice Age Floods
Feb. 2002 - Grotto/Rocky Butte Trip
Sept. 2004 - Mt. Hood
Sept. 2005 - John Day Fossil Beds
June 2006 - Bull Run Watershed
Aug. 2006 - Ape Cave
Feb. 2007 - Newport Fossil Fest
June 2007 - Mt Hood
Sept 2007 - Klamath Mountains
Feb. 2008 - Newport Fossil Fest
June 2008 - Christmas Valley & Summer Lake
June 2008 - Journey to Maars
Sept. 2008 - Blue Mountains
Sept. 2008 - Baker County
Feb. 2009 - Newport Fossil Fest
June 2009 - Eastern Columbia Gorge
July 2009 - Silver Falls State Park
June 2010 - Bull Run Watershed
July 2010 - President's Trip - Oldest Rock in Oregon
May 2013 - Two Calderas
May 2014 - Lewiston Basin/Snake River
Sept. 2014 — Cascades Sedimentary Geology
Sept. 2015 — Wonders of Southeast Oregon
June 2016 — Eastern Columbia River Gorge
Aug. 2017 — Eclipse Field Trip
Sept. 2017 — Mt. St. Helens Helicopter Tour
(Jan 2025)
Eli Ahern
Amy Chomowicz
Sean Herring
Jordan (Jojo) Kihn-Stang
Paul Leistner
Carol Mclatchie
Victor Richenstein
Keith Ronnholm
Conner Smith
Gerard Veley
Interested in geology news and casual conversation with other geology fans? Attend our Monthly Meetups!
Our monthly lectures and local field trips are open to all!
Want to come on in-depth overnight field trips led by professional geologists? Become a GSOC Member!
Questions about Geology? Ask in our Facebook Group!
Concerned about earthquake preparedness? Arrange for public speaking on Cascadia Earthquake Preparedness.
Portland State University Department of Geology, our gracious host since 1971, offers undergraduate and graduate programs in geology, as well as free auditing for seniors.
Interested in Gems and Minerals?
In the Bend area? Visit our sister club Central Oregon Geoscience Society!
Interested in fossils? Check out the North American Research Group.
GSOC • P.O. Box 80133 • Portland, OR 97280 • communications@gsoc.org
