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Joint 120th Annual Cordilleran/74th Annual Rocky Mountain Section Meeting - 2024

Session No. 34
Friday, 17 May 2024: 8:00 AM-12:00 PM
Meeting Room 1 (Davenport Grand Hotel)

T13. New Developments in the Magmatic Drivers of Cascades Volcanism

GSA Geophysics and Geodynamics Division

 

Nathan Andersen, Dawn Ruth, Dawnika Blatter and Emily Johnson, Advocates
Paper #
Start Time
34-1
8:00 AM
TIMESCALES OF MAGMA STORAGE AND ERUPTION INITIATION OF THE MOST RECENT LAVA FLOW IN THE MOUNT BAKER (KOMA KULSHAN) VOLCANIC FIELD, WA
CUNNINGHAM, Desiree`, Geological Sciences, Central Washington University, Ellensburg, WA 98926, SHAMLOO, Hannah, Central Washington University, Ellensburg, WA 98926, DEBARI, Susan M., School of Earth & Ocean Sciences, University of Victoria, 3800 Finnerty Road, Victoria, BC V8P 5C2, CANADA and WALOWSKI, Kristina, Geology, Western Washington University, Bellingham, WA 98225
34-2
8:20 AM
ERUPTION INITIATION MECHANISMS AND TIMESCALES ACROSS MULTIPLE LAVA FLOWS AT A VERY HIGH THREAT CASCADE VOLCANO, MOUNT BAKER (KOMA KULSHAN), WA
YODER, Emily1, SHAMLOO, Hannah1, DEBARI, Susan M.2 and WALOWSKI, Kristina2, (1)Department of Geological Sciences, Central Washington University, Ellensburg, WA 98926, (2)Geology Department, Western Washington University, Bellingham, WA 98225
34-3
8:40 AM
ISOTOPICALLY DEPLETED MIOCENE ADAKITES IN THE CASCADIA REAR-ARC AND THEIR IMPLICATIONS FOR MANTLE FLOW
TEPPER, Jeffrey1, WHITE, Audrey1 and DAWES, Ralph2, (1)Geology Department, University of Puget Sound, 1500 N. Warner St., Tacoma, WA 98416, (2)Earth Sciences Department, Wenatchee Valley College, Wenatchee, WA 98801
34-4
9:00 AM
REGIONAL SCALE INVESTIGATION OF WIDESPREAD BASALTIC ANDESITES OF THE CENTRAL TO NORTHERN OREGON CASCADE ARC
SMITH, Alyssa K.1, STRECK, Martin J.1 and CONREY, Richard M.2, (1)Geology, Portland State University, 1825 SW Broadway, Portland, OR 97201, (2)Hamilton College (retired), Clinton, NY 13323
34-5
9:20 AM
CRYSTAL RECORDS AT THE THREE SISTERS VOLCANIC COMPLEX, OREGON
SAS, May (Mai)1, HALSTEAD, Sean1, CALVERT, Emma1, PEALE, James1, COOK, Madelyn1, NEWSOM, Alex1 and ANDERSEN, Nathan2, (1)Geology Department, Western Washington University, Bellingham, WA 98225, (2)U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE CARDINAL COURT, VANCOUVER, WA 98683
34-6
9:40 AM
MAGMA MINGLING IN THE RHYOLITE OF SEPARATION CREEK, THREE SISTERS/KLAH KLAHNEE VOLCANIC COMPLEX, OREGON CASCADES, USA
COOK, Madelyn1, SAS, May (Mai)1 and ANDERSEN, Nathan2, (1)Geology Department, Western Washington University, Bellingham, WA 98225, (2)U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE CARDINAL COURT, VANCOUVER, WA 98683
34-7
10:00 AM
EXPLORING THE IN-BETWEEN: A STUDY OF DACITE PETROGENESIS AT MIDDLE SISTER OF THE THREE SISTERS VOLCANIC COMPLEX (TSVC) IN CENTRAL OREGON, USA
NEWSOM, Alex1, SAS, May1 and ANDERSEN, Nathan2, (1)Western Washington University, (2)U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE CARDINAL COURT, VANCOUVER, WA 98683
34-8
10:20 AM
FIELD AND GEOCHEMICAL STUDY OF THE BALD MOUNTAIN VOLCANIC CENTER, CENTRAL OREGON: CONSTRAINTS ON THE EVOLUTION OF A SILICIC MAGMA SYSTEM IN A BACK-ARC SETTING
TEMPLETON, Jeffrey, Earth and Environmental Science Department, Western Oregon University, 345 N. Monmouth Ave, Monmouth, OR 97361
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