GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 185
Tuesday, 24 September 2019: 9:00 AM-6:30 PM
Hall AB, North Building (Phoenix Convention Center)

T37. Investigating the Origin of Arc Magmatism and the Evolution of Continental Crust from the Aleutians to the Southern Andes (Posters): In Honor of Suzanne Mahlburg Kay, Recipient of the Mineralogy, Geochemistry, Petrology, and Volcanology Division Distinguished Geological Career Award

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA History and Philosophy of Geology Division

Authors will be present from 4:30 to 6:30 PM.

 

Paper #
Booth #
63
CRUSTAL XENOLITHS, THEIR ZIRCONS AND APATITES: INVESTIGATING THE CONTINENTAL BASEMENT BENEATH THE CENTRAL ANDES
VELAZQUEZ SANTANA, Liannie C.1, MCLEOD, Claire1, BLAKEMORE, Daniel1, SHAULIS, Barry2 and BROWN, Kenneth3, (1)Department of Geology and Environmental Earth Science, Miami University, 250 S. Patterson Ave., Oxford, OH 45056, (2)Department of Geosciences, University of Arkansas, 340 N. Campus Dr., 216 Gearhart Hall, Fayetteville, AR 72701, (3)Department of Geosciences, DePauw University, P.O. Box 37, Greencastle, IN 46135
64
HIGH H2O IN WESTERN VS EASTERN ALEUTIAN BASALTS FROM CALCIUM-IN-OLIVINE HYGROMETRY
MCCARTHY, Anders, Institute of Earth Sciences, University of Lausanne, Lausanne, 1015, Switzerland; School of Earth Sciences, University of Bristol, Bristol, BS8 1RJ, United Kingdom and YOGODZINSKI, Gene, School of Earth, Ocean, and Environment, University of South Carolina, Columbia, SC 29208
65
TITANITE U-PB AGE AND TRACE ELEMENT CHEMISTRY: TRACING COOLING AND ALTERATION IN SIERRA NEVADA BATHOLITH
HRUSKA, Grace1, LACKEY, Jade Star2 and MCCARTY, Kyle R.1, (1)Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711, (2)Geology Department, Pomona College, 185 E 6th St, Claremont, CA 91711
Handouts
  • GSA_Titanite_Poster.pdf (28.8 MB)
  • 66
    THE 1915 ERUPTION OF LASSEN PEAK, CALIFORNIA: MASS, THERMAL, AND COMPOSITIONAL IMPLICATIONS OF THE MAGMA MIXING EVENT DOCUMENTED USING THE MAGMA CHAMBER SIMULATION
    SANCHEZ, Rachelle P., Department of Geological Science, Central Washington University, 400 E University Way, Ellensburg, WA 98926 and BOHRSON, Wendy A., Department of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926
    67
    EVALUATING MAFIC HOLOCENE TEPHRA AS PARENTS OF EVOLVED ROCKS ON UNALASKA ISLAND, ALEUTIAN ISLANDS, AK
    OXHORN, Samuel, Department of Geological Sciences, University of Florida, Gainesville, FL 32611, PERFIT, Michael, Geological Sciences, University of Florida, Gainesville, FL 32611, LARSEN, Jessica F., Department of Geosciences, Geophysical Institute Alaska Volcano Observatory, University of Alaska, Fairbanks, AK 99775 and SCHAEFER, Janet R., Alaska Division of Geological & Geophysical Surveys, Alaska Volcano Observatory, Fairbanks, AK 99709
    68
    MIGRATING MAGMATISM ACROSS IDAHO: USING CRETACEOUS BENTONITES TO TRACE THE SHALLOWING OF FARALLON SUBDUCTION
    HANNON, Jeffrey S., Department of Geology, University of Cincinnati, PO Box 210013, Cincinnati, OH 45221-0013 and HUFF, Warren D., Dept. of Geology, Univ of Cincinnati, Cincinnati, OH 45221
    69
    FAYALITE-BEARING RHYOLITE IN THE ALTIPLANO-PUNA VOLCANIC COMPLEX OF THE CENTRAL ANDES
    LEWIS, Charles T., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Administration Building, Corvallis, OR 97331 and DE SILVA, Shan, College of Earth, Ocean, and Atmospheric Sciences, Oregon State Univeristy, 104 CEOAS Administration Building, Corvallis, OR 97331
    70
    NATURE AND SIGNIFICANCE OF ALTERED OCEANIC CRUST (AOC) OF THE NORTHWEST PACIFIC
    WALDMAN, Ryan1, YOGODZINSKI, Gene1, HAUFF, Folkmar2, BIZIMIS, Michael3, JICHA, Brian R.4, PORTNYAGIN, Maxim2, WERNER, Reinhard2 and HOERNLE, Kaj5, (1)School of Earth, Ocean, and Environment, University of South Carolina, Columbia, SC 29208, (2)GEOMAR Helmholtz Center, Kiel, 24148, Germany, (3)University of South Carolina, Columbia, SC 29208, (4)Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St., Madison, WI 53706, (5)Sonderforschungsbereich 574, University of Kiel-GEOMAR Forschungszentrum, Wischhofstr. 1-3, Kiel, 24148
    71
    ANALYSIS OF VARIABLES AFFECTING THE HISTORIC VOLCANIC ERUPTIONS OF THE PUYEHUE-CORDON CAULLE VOLCANIC COMPLEX
    MINGO, Mauro A. and HICKEY-VARGAS, Rosemary, Department of Earth and Environment, Florida International University, Miami, FL 33199
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