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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 393
Wednesday, 25 October 2017: 9:00 AM-6:30 PM
Halls 4EF (Washington State Convention Center)

T165. Recent Advances in Understanding Volcanism of the Yellowstone Hotspot (Posters)

Authors will be present from 9:30 to 11:30 AM and 4:30 to 6:30 PM.
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INSIGHTS ON ERUPTIONS OF CRYSTAL-RICH RHYOLITE MAGMA: CRYSTAL CHEMISTRY CONSTRAINTS ON MID-MIOCENE JARBIDGE RHYOLITE (NEVADA, USA) VOLCANISM
MARTIN, David A.1, BRUESEKE, Matthew E.1, ELLIS, Ben2 and ALLAZ, Julien3, (1)Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, (2)Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zürich, 8092, Switzerland, (3)Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309, dmarti56@ksu.edu
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THE CASTLE ROCK AND IRONSIDE MOUNTAIN CALDERAS, EASTERN OREGON: TWO ADJACENT VENTING SITES FOR UNITS OF THE 16 – 15 MA DINNER CREEK TUFF
CRUZ, Matthew and STRECK, Martin J., Department of Geology, Portland State University, Portland, OR 97207, cruzmat3488@gmail.com
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AREAL EXTENT AND VOLUMES OF THE DINNER CREEK TUFF UNITS, EASTERN OREGON BASED ON LITHOLOGY AND FELDSPAR COMPOSITION
HANNA, Teresa R. and STRECK, Martin J., Department of Geology, Portland State University, Portland, OR 97207, thanna@pdx.edu
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PHREATOMAGMATIC TUFFS AT THE BASE OF THE COLUMBIA RIVER FLOOD BASALTS
UNRUH, David W., School of the Environment, Washington State University, PO Box 642812, Pullman, WA 99164, WOLFF, John A., School of the Environment, Washington State University, Pullman, WA 99164-2812 and DAVIS, Klarissa, School of Earth and Environmental Sciences, Washington State University, Pullman, WA 99164-2812, david.unruh@wsu.edu
393-5
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VOLCANIC STRATIGRAPHY AND AGE MODEL OF THE KIMAMA DEEP CORE HOLE (PROJECT HOTSPOT), CENTRAL SNAKE RIVER PLAIN, IDAHO
POTTER, Katherine E., Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322, SHERVAIS, John, Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322, CHAMPION, D.E., U.S. Geol Survey, MS-910, 345 Middlefield Rd, Menlo Park, CA 94025 and DUNCAN, Robert, College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, katie.potter@usu.edu
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CANNIBALIZATION AND MIXING PROCESSES IN HOTSPOT RHYOLITES: ANOMALOUS TEXTURES AND GEOCHEMISTRY OF THE KIMBERLY MEMBER OF THE CASSIA FORMATION, YELLOWSTONE HOTSPOT TRACK, IDAHO
SPENCER, Danielle Jeannette1, CHRISTIANSEN, Eric H.1, COLON, Dylan P.2, BINDEMAN, Ilya N.2 and SHERVAIS, John W.3, (1)Geological Sciences, Brigham Young University, S389 ESC, Provo, UT 84602, (2)Earth Sciences, University of Oregon, Eugene, OR 97403, (3)Department of Geology, Utah State University, Logan, UT 84322-4505, dspencer91@live.com
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SANTA BARBARA BASIN SEDIMENT RECORD OF VOLCANIC WINTERS TRIGGERED BY TWO YELLOWSTONE SUPERVOLCANO ERUPTIONS AT 639 KA
KENNETT, James, Earth Sciences, University of California Santa Barbara, Webb Hall, University of California Santa Barbara, Santa Barbara, CA 93106, BEHL, Richard J., Geological Sciences, California State University Long Beach, 1250 Bellflower Blvd, Department of Geological Sciences; PH1-104, Long Beach, CA 90840, DEAN, Walter E., U.S. Geological Survey, Geology and Environmental Change Science Center, MS980 Federal Center, Denver, CO 80225, SORLIEN, Christopher, Earth Research Institute, University of California Santa Barbara, Santa Barbara, CA 93106 and NICHOLSON, Craig, Marine Science Institute, University of California, Santa Barbara, CA 93106-6150, kennett@geol.ucsb.edu
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