CWU's Nick Zentner from Ellensburg, Washington on Wednesday, February 2, 2022.
The Crazy Eocene A to Z! North Cascades Geology.
Time Stamps:
00:00 Video Start
11:08 Lecture Start
14:52 Skagit Gneiss Used to be Plutonic Rocks
18:09 Boulder Batholith 9km Uplift
22:59 How old was the plutonic material that made the Skagit Gneiss?
24:00 North Cascade - Crustal Thickness
25:48 Schedule and Eocene Papers
28:04 Dream Team Photos and Videos
35:09 How do we know the original depth and pressure of the Skagit Gneiss?
37:17 Washington Strike Slip Faults
39:38 Crystalline Core Blocks
40:47 Straight Creek Fault Restoration
45:15 Stacia Gordon
49:04 Skagit Gneiss Locations
51:36 Previous Research
53:10 Skagit Gneiss Pressure and Depth Indicators
58:16 Garnets
01:02:54 Zircon Age Dating
01:05:26 Field Photos
01:11:51 Cordierite Shows Fast Exhumation
01:16:25 Other Age Dating Methods
01:18:53 Crystalline Core and Sedimentary Basins
01:21:25 Upper Crust vs Deeper Crust Deformation
01:23:27 Other Core Complexes
01:26:01 Q&A
01:46:15 Next Session Preview
01:51:24 Roadside Geology of Washington
01:56:21 Toast and Goodbye