Eocene Q - Challis Rollback with Jeff Tepper

Explore the fascinating geological history of the North Cascades in this comprehensive lecture on Eocene Q and the Challis Rollback, featuring guest speaker Jeff Tepper. Delve into the intricacies of Challis magmas, their differences from arc magmas, and their significance in shaping the Idaho and Cascades Arc. Discover the causes and locations of Challis magmas, examine age patterns and sampling locations, and understand the concept of rollback and its connection to the Cascadia slab. Gain valuable insights through an in-depth Q&A session, making this nearly two-hour presentation an essential resource for geology enthusiasts and students alike.

Video Start
Lecture Start
Schedule and Photos
Eocene Papers: Slides and Poster
Challis Magmas Overview
Challis Magmas vs Arc Magmas
Idaho and Cascades Arc
What caused the Challis Magmas?
Where are Challis Magmas found?
Jeff Tepper
Challis Magmas Age Pattern
Sampling Locations and Ages
Rollback
Connection to Cascadia Slab
Rollback Recap
Q&A
Toast and Goodbye