Join Dr. Paul Hammond for a fascinating exploration of the deep underlying geology of Western North America. Two directions or forces at about right angles in the mantle have developed a network of structures in the Western margin of North America.
Join us for a one day field trip to study Missoula Floods gravel and cobble deposits, and Boring volcanism in Clark County on Saturday, June 17, 2017. Tour will be given by Bill Montgomery, CEMEX Executive, and GSOC Past Presidents Bo Nonn and Larry Purchase.
Come see billion-year-old building stones and the fossils hidden under our feet. Join us for a two-hour outdoor walking tour of downtown Portland’s geological mysteries and oddities. This tour is open to the public.
Bring potluck item, $5, and a chair to sit on! Member event.
We can't get enough of exploring Downtown Portland Building Stone! If you missed our Spring tour or just want to see more interesting buildings, join us for this two-hour walking tour of more of downtown Portland's geological mysteries and oddities. This tour is open to public.
Dedicated to Pacific Northwest Geology since 1935
The Geological Society of the Oregon Country (GSOC) is a non-profit organization based in Portland, Oregon. The society is dedicated to the study of geology in the Pacific northwest and is open to persons with all levels of education and professional backgrounds.