Geochemistry of Eocene to Miocene Rocks in a Rear-Arc Setting, Central Cascades, Washington

Authors

Audrey V. White, University of Puget SoundFollow
Jeffrey Tepper, University of Puget SoundFollow

Faculty Advisor

Tepper, Jeffrey

Area of Study

Science and Mathematics

Publication Date

Summer 2021

Abstract

Lavas and shallow intrusions near Wenatchee, WA, provide a unique opportunity to study a diverse array of samples that erupted over a 30+ Ma interval in the Cascadia rear arc. Included are two Eocene units, the Wenatchee Pinnacles and Sugarloaf Peak, two Miocene units, Eagle Rock and Burch Mountain, and an undated andesite at Peoh Point. Goals of this study are to use trace and major element data to determine the tectonic setting and petrogenesis of these rocks and identify any compositional differences between there rear-arc sites and the Cascade arc as a whole.

Award

Clare Boothe Luce award

Recommended Citation

White, Audrey V. and Tepper, Jeffrey, "Geochemistry of Eocene to Miocene Rocks in a Rear-Arc Setting, Central Cascades, Washington" (2021). Summer Research. 390.
https://soundideas.pugetsound.edu/summer_research/390

Rights

Default Rights Statement.

Publisher

University of Puget Sound