Explore the fascinating world of Eocene magmatism in the North Cascades through this comprehensive lecture by CWU's Nick Zentner, featuring guest expert Jeff Tepper. Delve into the complexities of magmatic flare-ups, slab failure, and near-trench magmas (NTMs) as you journey through geological time. Examine the differences between Cretaceous, Eocene, and in-between plutons, and learn how to distinguish various types of magmas. Discover the unique characteristics of adakites and the Chimacum Rock formation. Engage with detailed geologic maps, photos, and animations that bring the North Cascades' geological history to life. Benefit from an extensive Q&A session with both Nick and Jeff, gaining deeper insights into this captivating subject.
Overview
Syllabus
Video Starts
Schedule
Nick's Hammer
Lecture Start
Overview
North Cascade Magmatic Flare Ups
Cretaceous Plutons
Eocene Plutons
In Between Plutons
What are the similarities and differences between the three flare ups?
How are the magmas being generated?
Slab Failure Animation
North Cascades Geologic Maps and Photos
Modern Volcanic Arc
Forearc
Near Trench Magmas NTM
Slab Window
Jeff Tepper
NTM Examples
Slab Window vs Arc Magmas
Adakite
Chimacum Rock
Other Slab Window Sites
How to Tell NTMs apart?
Plichuck and Bald Mtn Results from Slab Failure
Magmatic Flare Up Differences
Q&A with Jeff
Q&A with Nick
Toast and Goodbye
Taught by
Nick Zentner
