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GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 55
Sunday, 22 September 2019: 1:30 PM-5:30 PM
Room 128AB, North Building (Phoenix Convention Center)

T17. Small-Volume Cenozoic Volcanism of the Interior West of the United States

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Tiffany A. Rivera and Brian R. Jicha, Advocates
Paper #
Start Time
55-1
1:30 PM
THE MYSTERY OF KIMBERLITES IN KANSAS
KEMPTON, Pamela D., BRUESEKE, Matthew E., ROGERS, KayLeigh and ADAM, Claudia, Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506
55-2
1:45 PM
EMPLACEMENT OF THE ADEN LAVA FLOWS, POTRILLO VOLCANIC FIELD, DOÑA ANA COUNTY, NEW MEXICO
DE HON, Rene A. and EARL, Richard A., Department of Geography, Texas State University, 601 University Dr, San Marcos, TX 78666
Handouts
  • DEHON_ADEN_GSA 2019.pptx (34.3 MB)
    • 55-3
    2:00 PM
    EVALUATING RECURRENCE INTERVALS FOR MONOGENETIC ERUPTIONS IN THE SOUTHWESTERN USA (Invited Presentation)
    ORT, Michael H.1, VALENTINE, Greg2, RIGGS, Nancy1 and CORTÉS, Joaquín3, (1)School of Earth and Sustainability, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86011-4099, (2)Department of Geology, University at Buffalo, 411 Cooke Hall, Buffalo, NY 14260, (3)Department of Geography, Edge Hill University, St Helens Road, Ormskirk, Lancashire, L39 4QP, United Kingdom
    55-4
    2:20 PM
    WIDESPREAD EOCENE BASALTIC PHREATOMAGMATIC VOLCANISM IN THE BIG BEND REGION, TRANS-PECOS IGNEOUS PROVINCE, WEST TEXAS
    HANSON, Richard E., Department of Geological Sciences, Texas Christian University, Fort Worth, TX 76129, MIGGINS, Daniel P., College of Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503, BAYLOR, David J., Department of Geosciences, University of Arkansas, Fayetteville, Fayetteville, AR 72701, BEFUS, Kenneth, Geology, Baylor University, One Bear Place #97354, Waco, TX 76798 and BUCHOLZ, John F., School of Geology, Energy and the Environment, Texas Christian University, Fort Worth, TX 76129
    55-5
    2:35 PM
    DO BASALTS ON THE YELLOWSTONE HOTSPOT TRACK HAVE A WET, SUBDUCTION-ZONE SIGNATURE? EVIDENCE FROM PLAGIOCLASE AND OLIVINE COMPOSITIONS
    ASCANIO-PELLON, Patricia1, BRADSHAW, Richard W.2, TOMLINSON, David1, CHRISTIANSEN, Eric H.1, DORAIS, Michael J.1, POTTER, Katherine E.3 and SHERVAIS, John W.3, (1)Department of Geological Sciences, Brigham Young University, Provo, UT 84602, (2)Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, (3)Geology Department, Utah State University, Logan, UT 84322-4505
    55-6
    2:50 PM
    DETAILED LACCOLITH EMPLACEMENT HISTORY DEMONSTRATES MECHANICAL INTERPLAY BETWEEN HYPABYSSAL MAGMA AND HOST ROCK: MOUNT ELLEN, HENRY MOUNTAINS, UTAH
    HORSMAN, Eric1, DE SOUSA, Laura1, CURRIER, Ryan2 and GIORGIS, Scott3, (1)Department of Geological Sciences, East Carolina University, 101 Graham Building, Greenville, NC 27858, (2)University of Wisconsin Green Bay, 2420 Nicolet Dr, Green Bay, WI 54311, (3)Geological Sciences, SUNY Geneseo, Geneseo, NY 14454
     
    3:05 PM
    Break
    55-7
    3:20 PM
    FIRST REPORT OF CRYPTOTEPHRA FROM THE LAS VEGAS FORMATION, TULE SPRINGS FOSSIL BEDS NATIONAL MONUMENT, NEVADA (Invited Presentation)
    SMITH, Eugene, ROWLAND, Stephen M., JOHNSEN, Racheal, REN, Minghua and FITCH, Shelby, Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010
    Handouts
  • Smith GSA Phoenix 2019 FINAL PC.pptx (26.0 MB)
    • 55-8
    3:40 PM
    NEW CLINOPYROXENE-LIQUID GEOTHERMOMETER INDICATES A BROAD CRYSTALLIZATION INTERVAL FOR LOW-AL CLINOPYROXENE IN HIGH-SILICA MAGMATIC SYSTEMS
    BRUGMAN, Karalee K. and TILL, Christy B., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287
    55-9
    3:55 PM
    HOW LOW CAN YOU GO? THE EFFECTS OF RESIDUAL H2O ON THE ADVANCE OF OBSIDIAN LAVA FLOWS OF THE WESTERN UNITED STATES
    KENDERES, Stuart M.1, ANDREWS, Graham D.M.2, BEFUS, Kenneth3, ISOM, Shelby Lee2, LEGGETT, Tyler Nathan4 and WHITTINGTON, Alan5, (1)Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211, (2)Department of Geology and Geography, West Virginia University, Brooks Hall, 98 Beechurst Ave, Morgantown, WV 26506, (3)Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76798, (4)Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76798; Department of Geology and Environmental Science, University of Pittsburgh, 4107 O'Hara Street, SRCC, Room 200, Pittsburgh, PA 15260-3332, (5)Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211; Department of Geological Sciences, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249
    55-10
    4:10 PM
    COMBINING PHYSICAL VOLCANOLOGY AND MAGMA GEOCHEMISTRY TO UNDERSTAND THE COMPLEX HISTORY OF A YOUNG, MONOGENETIC VOLCANO: BLUE LAKE CRATER, OREGON (Invited Presentation)
    JOHNSON, Emily R., Department of Geological Sciences, New Mexico State University, Las Cruces, NM 88003
    55-11
    4:30 PM
    GEOCHEMICAL EVALUATION AND IGNEOUS PETROGENESIS OF HYDROTHERMALLY ALTERED EVOLVED RHYOLITES, SOUTHERN WAH WAH MOUNTAINS, UTAH
    BARKOFF, Drew William, Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Pkwy., Las Vegas, NV 89154 and JOWITT, Simon M., Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010
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