GSA Connects 2021 in Portland, Oregon

Session No. 157
Tuesday, 12 October 2021: 9:00 AM-1:00 PM
Exhibit Hall A (Oregon Convention Center)

T24. The Life and Times of Arc Volcanoes from Bottom to Top (Posters)

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Geochemical Society

Authors will be present from 11 AM to 1 PM.

 

Paper #
Booth #
63
ARCLOGITES IN THE SUBARC LOWER CRUST: EFFECTS OF CRYSTALLIZATION, PARTIAL MELTING, AND RETAINED MELT ON THE FOUNDERING ABILITY OF RESIDUAL ROOTS
BOWMAN, Emilie, Department of Geosciences, University of Arizona, Tucson, AZ 85721, DUCEA, Mihai N., Faculty of Geology and Geophysics, University of Bucharest, Bucharest, 011004, Romania; Department of Geosciences, University of Arizona, Tucson, AZ 85721 and TRIANTAFYLLOU, Antoine, Geology Laboratory of Lyon - Earth, Planets and Environment (LGL-TPE), Université Claude Bernard Lyon 1, Villeurbanne, 69100, France; Department of Geosciences, University of Arizona, Tucson, AZ 85721
64
UNDERSTANDING THE PETROLOGY AND GEOCHEMISTRY OF BIOTITE-BEARING DACITIC/RHYOLITIC TEPHRA-FALL DEPOSITS FROM MISTI VOLCANO, PERU
TOPHAM, Judith1, TEPLEY III, Frank J.2, TAKACH, Marie K.2, HARPEL, Christopher J.3, RIVERA, Marco4, AGUILAR, Rigoberto5 and CUNO, Juan Jose5, (1)Department of Earth Sciences, The College of Wooster, 1889 Beall Ave, Wooster, OH 44691, (2)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (3)U.S. Geological Survey Volcano Disaster Assistance Program, Cascades Volcano Observatory, Vancouver, WA 98683, (4)Observatorio Vulcanológico del Sur, Instituto Geofísico del Perú, Arequipa, Cayma, Peru, (5)Observatorio Vulcanológico del INGEMMET, Instituto Geológico, Minero y Metalúrgico del Peru, Arequipa, Yanahuara, Peru
157-3
65
Withdrawn
66
SULFUR BEHAVIOR IN THE 1257 CE SAMALAS MAGMA (LOMBOK, INDONESIA) AS REVEALED BY SULFUR ISOTOPE RATIOS IN APATITE
JACKSON, Yasmin1, ECONOMOS, Rita1, DING, Shuo2, LONGPRÉ, Marc-Antoine3, VIDAL, Céline4 and HERTWIG, Andreas T.5, (1)Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75205, (2)Lamont-Doherty Earth Observatory, Palisades, NY 10964-1707, (3)Earth and Environmental Sciences, The Graduate Center, City University of New York, New York, NY 10016, (4)Department of Geography, University of Cambridge, Downing Place, Cambridge, CB2 3EN, United Kingdom, (5)Institute of Earth Sciences Museum, Heidelberg University, Heidelberg, 69120, Germany
67
AUGITE AND AMPHIBOLE COMPOSITIONS REVEAL TWO MAGMA REGIMES: THE IRONSIDE MOUNTAIN PLUTON AND WESTERN HAYFORK ARC, NORTHERN CA
ANGULO, Alejandra, Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053 and BARNES, Calvin, Department of Geosciences, Texas Tech University, Lubbock, TX 79409
68
SPATIOTEMPORAL GEOCHEMICAL PATTERNS RECORD CONSTRUCTION OF A PRIMED, TRANSCRUSTAL MAGMA PLUMBING SYSTEM IN THE CRETACEOUS CENTRAL SIERRA NEVADA
ARDILL, Katie, Geology Department, California State University, Sacramento, 6000 J St, Sacramento, CA 95819, ATTIA, Snir, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801, Socorro, NM 87801, PATERSON, Scott, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, MEMETI, Vali, Department of Geological Sciences, California State University Fullerton, 800 N State College Blvd, Fullerton, CA 92831 and BORSOOK, Ariel, Department of Earth Sciences, University of Southern California, Zumberge Hall of Science (ZHS), 3651 Trousdale Pkwy, Los Angeles, CA 90089; Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401
69
NEW GEOLOGIC MAPPING IN THE TENALQUOT PRAIRIE AND VAIL QUADRANGLES, WASHINGTON, INDICATES THAT CASCADE ARC VOLCANISM STARTED ABOUT 46 MA, ASSOCIATED VOLCANIC DEPOSITS LIKELY FILLED AN EOCENE FAULT-BOUNDED TACOMA BASIN NORTHEAST OF THE OLYMPIA STRUCTURE, PRE-VASHON DEPOSITS HERE EXTEND SEVERAL KILOMETERS FARTHER SOUTH THAN VASHON DEPOSITS, AND HIGH-VOLUME MELTWATER DISCHARGE MARKED THE GLACIAL ICE MARGIN
POLENZ, Michael1, HLADKY, Frank1, ANDERSON, Megan2, TEPPER, Jeffrey3, MIGGINS, Daniel P.4, HORST, Alison2 and LEGORRETA PAULIN, Gabriel5, (1)Washington Department of Natural Resources, Washington Geological Survey, 1111 Washington St SE, MS 47007, Olympia, WA 98501, (2)Washington Department of Natural Resources, Washington Geological Survey, 1111 Washington St SE, Olympia, WA 98504-7007, (3)Geology Department, University of Puget Sound, 1500 N. Warner St., Tacoma, WA 98416, (4)College of Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503, (5)Instituto de Geografía, Universidad Nacional Autónoma de Mexico, Ciudad Universitaria, Del Coyoacán, Mexico, 04510, Mexico
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