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YouTube

Eocene N - Chugach Translation with Darrel Cowan

Nick Zentner via YouTube

Overview

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Explore the complex geology of the North Cascades in this comprehensive lecture focusing on the Eocene epoch. Delve into topics such as Wrangellia, Siletzia, and the Leech River Schist. Examine near-trench magmas, spreading ridges, and the concept of triple junctions. Learn about the California Triad, accretionary wedges, and forearc basins. Investigate the Chugach Terrain and its potential movement through time. Gain insights from geologist Darrel Cowan on the origins of the Leech River Schist and the Chugach-Prince William Complex. Compare hypotheses about spreading ridge movement and Chugach translation. Discover the Resurrection Plate, Border Ranges Fault System, and the significance of paleomagnetic data in understanding the region's geological history. Participate in Q&A sessions with both Nick Zentner and Darrel Cowan to deepen your understanding of this fascinating geological era.

Syllabus

Video Start
Schedule
Lecture Start
Outline
Wrangellia and Siletzia
Leech River Schist
Nick's Website and Eocene Papers
Google Earth Baranof Island
Near Trench Magmas and Spreading Ridges
Triple Junction
Triple Junction Migration
California Triad
Accretionary Wedge
Forearc Basin and Volcanic Arc
Chugach Terrain
Is the spreading ridge moving through time?
Darrel Cowan
Where does Leech River Schist come from?
Chugach-Prince William Complex
Hypothesis One: Spreading Ridge Moved
Hypothesis Two: Chugach Translation
Resurrection Plate
Border Ranges Fault System
Paleomagnetic Data
Q&A with Darrel
Q&A with Nick
Toast and Goodbye

Taught by

Nick Zentner

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