Oregon State University
5:30 pm social hour
The High Lava Plains is an enigmatic province between the hot-spot related Steens Basalts and the subduction-related Cascades. Dr. Grunder will explore the implications of the westward age progression of rhyolites and the effect of protracted magmatism on the composition of the volcanic rocks and the crust.
Links to two videos from Anita's presentation:
Cenozoic Volcanism in the Pacific Northwest - 55 million years to present
Magma evolution in an extentional setting—High Lava Plains
Central Oregon Geoscience Society
P.O. Box 2154, Bend, Oregon 97709