FCGS Newsletter - September 2021
Speaker: Dr. Carolyn Tewksbury-Christle, Fort Lewis College
Talk: Using the Rock Record to Explain Anomalous Seismic Velocities in Modern Subduction Zones
September 2021 newsletter features Dr. Carolyn Tewksbury-Christle discussing seismic velocities in subduction zones using fossil rock records from the Condrey Mountain Schist. President David Schiowitz announces return to in-person meetings at Fort Lewis College with vaccination requirements and Zoom options. "Talks on the Rocks" field trip scheduled for October 16th examining Jurassic eolian sandstones. Upcoming speakers include Jeff Geslin on Pyrenees geology, Joel Pederson on Book Cliffs landscape evolution, and Ron Hill on unconventional petroleum systems. Picnic recap and photos included.