Take this chance to go on the Deschutes Basin field trip- a record of highly explosive Cascade volcanism. GSA Field trip #416. Oct 11-13. Brad Pitcher (Vanderbilt U), GSOC member Anita Grunder (OSU), and Adam Kent (OSU) are leading the trip. Marvel at the deep canyons while boating on Lake Billy Chinook, with spectacular exposure of many ignimbrites and lavas. We will look at the evidence and consider the causes and effects. Contact Brad Pitcher (bradwpitcher@gmail.com) if you have questions about the trip; GSA if you have questions about registration. Sept 8 is end of early registration for GSA Portland (Oct 10-13). For meeting and trips, Covid vaccination and test required.