Causes and Consequences of the Columbia River Flood Basalts
Date: 4/26/2019
Time: 3:45 PM to 5:00 PM
Room: Puget Sound
Flood basalt eruptions represent the largest volcanic events on Earth and the most recent one occurred 16 million years ago. It covered most of eastern Oregon and parts of western Idaho and southern Washington. In many cases, flood basalts are associated with the presence of hotspots, such as in Yellowstone. While processes driving the flood basalt event originate in the asthenosphere, the connection between these processes and the subsequent modification of the lithospheric plate is still poorly understood.
This session welcomes studies focused on the origin, evolution and dynamics of the Columbia River flood basalts and the Yellowstone system. We welcome contributions from geology, geochemistry, geochronology and geophysics that explore the architecture and dynamics of the crust-mantle system in the Columbia River flood basalts region.
Conveners
A. Christian Stanciu, University of Oregon (cstanciu@uoregon.edu)
YoungHee Kim, Seoul National University (younghkim@snu.ac.kr)
Eugene D. Humphreys, University of Oregon (genehumphreys@gmail.com)
Robert W. Clayton, Caltech (clay@gps.caltech.edu)
Oral Presentations
| Participant Role | Details | Start Time | Minutes | Action |
|---|---|---|---|---|
| Submission | Origin of the Columbia River Flood Basalts: Geochemical Evidence | 03:45 PM | 15 | View |
| Submission | Crustal Seismic Structure Beneath the Source Area of the Columbia River Flood Basalt: Bifurcation of the Moho Driven by Lithosphere Delamination | 04:00 PM | 15 | View |
| Submission | Wallowa Seismic Anomaly: Lithospheric Delamination and Northward Rollback Triggered by the Yellowstone Plume, Along the Western Edge of Precambrian North America | 04:15 PM | 15 | View |
| Submission | Imaging the Crust and Upper Mantle Beneath Columbia River Flood Basalts With Ambient Seismic Noise, Regional and Teleseismic Events and Converted Phases | 04:30 PM | 15 | View |
| Submission | Deep Seismic Crustal Structure Beneath Wallowa, Columbia River Flood Basalt Province | 04:45 PM | 15 | View |
| Total: | 75 Minute(s) |
Causes and Consequences of the Columbia River Flood Basalts
Description