Eleven participants braved the long drive, blustery morning winds and a bit of afternoon rain to enjoy and learn about all the interesting geology the Columbia River Gorge reveals. From the Columbia River Basalts, to the more recent volcanic activity of Mt. Hood and Mt. Adams, the Missoula and Bonneville Floods and the most recent dam projects of humans, the Columbia River history is one of overcoming impediments but the flow must go on. As an interesting contrast to the large scale geology, was the smaller scale, but very interesting, features such as basalt deltas, palagonite, kolk ponds and erratics. A long day but a very good day!
OR State Parks, JackBrownPDX
Columbia Gorge Field Trip
Led by Bill Burgel
Friday, June 9, 9:30 am - 5:30 pm
Registration opens on May 24
Please join Bill Burgel as we explore the Columbia River Gorge from Biggs Junction downstream to Troutdale. After an orientation and overview from the rim, we will proceed downstream making numerous stops along the way. Topics will include Columbia River Gorge Basalts, Missoula Flood erosional and depositional features and more recent geological events such as landslide and lahar deposits. In addition to being a structural geologist, Bill worked for 50 years in the rail industry and will be available to answer any questions related to the two railroads operating through the Gorge.
This field trip will mostly involve driving from stop to stop with only minor amounts of walking involved. To facilitate the logistics and parking, we will be trying to minimize the number of vehicles in the caravan. There will be ride sharing meet up locations in Bend and possibly points north for those interested. As a reminder, ride sharing is completely voluntary and COGS does not directly organize this.
Contact the field trip coordinator, Derek Loeb ( DerekLoeb@gmail.com ), with questions.
Please note that this event is limited to 15 participants and registration must be done via the registration button on the trip listing on the COGS website. Successful registration will be confirmed on the webpage by a light green box indicating registration was successful and by a confirmation email. If you don't get this email you should try the registration process again. If the trip is full, please join the wait list.