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Rocky Mountain Section - 73rd Annual Meeting - 2023

Session No. 20
Wednesday, 24 May 2023: 1:30 PM-4:30 PM
Longs Peak 302A (Lory Student Center)

T8. The Yellowstone Hotspot Geologic Province: Examining the Effects of Yellowstone Volcanism on the North American West

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Cole Messa, Mark Stelten and Kenneth Sims, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
20-1
1:35 PM
GEOCHEMICAL CONNECTIONS BETWEEN THE IMNAHA AND GRANDE RONDE FORMATIONS OF THE COLUMBIA RIVER BASALT GROUP: THE DEVELOPMENT OF A LARGE MAGMA SYSTEM FOR A FLOOD BASALT PROVINCE
SODERBERG, Evan, School of the Environment, Washington State University, PO Box 642812, Pullman, WA 99164, WOLFF, John, School of the Environment, Washington State University, Pullman, WA 99164 and RAMOS, Frank C., Department of Geological Sciences, New Mexico State University, PO Box 30001, MSC 3AB, Las Cruces, NM 88003
20-2
1:55 PM
TIMESCALES OF MAGMATIC FRACTIONATION IN THE SNAKE RIVER PLAIN VOLCANIC PROVINCE RECORDED IN DRILL CORE
POTTER, Katie, Geology Department, Utah State University, Logan, UT 84322-4505 and SHERVAIS, John W., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505
20-3
2:15 PM
AGE AND DISTRIBUTION OF VOLCANIC VENTS THROUGHOUT THE SNAKE RIVER PLAIN VOLCANIC PROVINCE, IDAHO
SHERVAIS, John W., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505 and GLEN, Jonathan, U.S. Geological Survey, 350 N. Akron Road, Moffett Field, CA 94035
 
2:35 PM
Break
20-4
2:50 PM
SPATIO-TEMPORAL CLUSTERING OF POST-CALDERA ERUPTIONS AT YELLOWSTONE: IMPLICATIONS FOR VOLCANIC HAZARDS AND PRE-ERUPTIVE MAGMA RESERVOIR CONFIGURATION
STELTEN, Mark1, THOMAS, Nicole1 and PIVARUNAS, Anthony F.2, (1)U.S. Geological Survey, California Volcano Observatory, 345 Middlefield Road, Menlo Park, CA 94025, (2)U.S. Geological Survey, Geology, Minerals, Energy, and Geophysics Science Center, 345 Middlefield Road, MS 975, Menlo Park, CA 94025
20-5
3:10 PM
DECOUPLED ASSIMILATION-FRACTIONAL CRYSTALLIZATION IN THE HENRY’S FORK CALDERA OF THE YELLOWSTONE-SNAKE RIVER PLAIN AS REVEALED BY SR-ND-HF-PB ISOTOPES AND 40AR/39AR ERUPTION AGES
MESSA, Cole1, SIMS, Kenneth1, STELTEN, Mark2, LAWLER, Brandi L.1 and KUNTZ, Mel A.3, (1)Department of Geology and Geophysics, University of Wyoming, Laramie, WY 82071, (2)U.S. Geological Survey, California Volcano Observatory, Menlo Park, CA 94025, (3)U.S. Geological Survey, Geosciences and Environmental Change Science Center, Denver, CO 80225
20-6
3:30 PM
IMPACTS OF ABSAROKA VOLCANICS, LARAMIDE TECTONICS, GLACIATION, LANDSLIDES, AND RAIN-ON-SNOW 2022 FLOODING SEVERELY DAMAGING YELLOWSTONE NATIONAL PARK’S NORTH ENTRANCE ROAD AND PLANS FOR RESILIENT REBUILDING WITH THE MAMMOTH TO GARDINER PERMANENT REPAIRS PROJECT
TURNER, Jamey1, WINSTON, Molly1, HORNSBY, Kristofer1, VESSELY, Mark1, WILLIAMS, Karen2, GEORGE, Orion3, COLE, Ryan3, LIM, Eric3, HUNGERFORD, Jefferson4 and BILDERBACK, Eric L.5, (1)BGC Engineering, Suite 300 – 600 12th Street, Golden, CO 80401, (2)Jacobs Engineering, Bozeman, WA 59715, (3)Western Federal Lands Highways Division, 610 E 5th St, Vancouver, WA 98661, (4)National Park Service, Yellowstone Center for Resources, Yellowstone National Park, WY 82190, (5)National Park Service, Geologic Resources Division, Lakewood, CO 80228
 
3:50 PM
Discussion
 
4:05 PM
Concluding Remarks
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