GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 205
Tuesday, 27 September 2016: 8:00 AM-12:00 PM
Mile High Ballroom 2C (Colorado Convention Center)

T224. Records of Subduction Initiation in Modern and Ancient Settings

GSA Structural Geology and Tectonics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division
Nancy Riggs, Kathleen M. Marsaglia, Andrew P. Barth and M. Robinson Cecil, Advocates
 
8:00 AM
Introductory Remarks
8:05 AM
TWO-STAGE SUBDUCTION INITIATION AROUND THE CARIBBEAN PLUMEHEAD PLATE
STERN, Robert J., Geosciences Department, University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX 75080, WHATTAM, Scott A., Institute of Geochemistry, School of Earth and Space Sciences, Peking University, Yifu No. 2 Building, Beijing, 100871, China; Dept. of Earth and Environmental Sciences, Korea University, Seoul, 136-701, Korea, Republic of (South), GERYA, Taras, Institute of Geophysics, ETH Zentrum, Sonneggstrasse 5, Zürich, 8092, Switzerland and PINDELL, James, Dept. Earth Science, Rice U., Main St., Houston, TX 77002; Dept Earth Science, Rice University, 6100 Main St, Houston, TX 77005, rjstern@utdallas.edu
Handouts
  • Carib PISI Stern GSA Denver 2016.ppt (13.6 MB)
  • 8:20 AM
    SUBDUCTION INITIATION IN THE PANAMA ARC
    FARRIS, David W., Earth, Ocean and Atmospheric Sciences, Florida State University, 909 Antarctic Way, Carraway Building, Tallahassee, FL 32306-4100, dwfarris@fsu.edu
    8:35 AM
    IMPLICATIONS OF BASEMENT ROCK GEOCHEMISTRY AT IODP SITE U1438 FOR INITIATION AND EARLY GROWTH OF THE IBM ARC (Invited Presentation)
    YOGODZINSKI, Gene1, HICKEY-VARGAS, Rosemary2, BIZIMIS, Michael3, HOCKING, Benjamin1, MCCARTHY, Anders4 and ISHIZUKA, Ozamu5, (1)Department of Earth & Ocean Sciences, University of South Carolina, Columbia, SC 29208, (2)Department of Earth & Environment, Florida International University, Miami, FL 33199, (3)School of Earth, Ocean and the Environment, University of South Carolina, Columbia, SC 29208, (4)School of Earth Sciences, University of Lausanne, Lausanne, 1015, Switzerland, (5)Institute of Geoscience and Geoinformation, Geological Survey of Japan/AIST, Higashi, Tsukuba, Ibaraki, 305-8567, Japan, gyogodzin@geol.sc.edu
    8:55 AM
    ORIGIN OF DEPLETED BASALTS DURING SUBDUCTION INITIATION: EVIDENCE FROM IODP SITE 1438 AND OTHER IBM LOCATIONS (Invited Presentation)
    HICKEY-VARGAS, Rosemary1, YOGODZINSKI, Gene2, ISHIZUKA, Ozamu3, SAVOV, Ivan4, MCCARTHY, Anders5, KUSANO, Yuki3, HOCKING, Benjamin2 and BIZIMIS, Michael6, (1)Department of Earth & Environment, Florida International University, Miami, FL 33199, (2)Department of Earth & Ocean Sciences, University of South Carolina, Columbia, SC 29208, (3)Institute of Geoscience and Geoinformation, Geological Survey of Japan/AIST, Higashi, Tsukuba, Ibaraki, 305-8567, Japan, (4)School of Earth and Environment, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, United Kingdom, (5)School of Earth Sciences, University of Lausanne, Lausanne, 1015, Switzerland, (6)School of Earth, Ocean and the Environment, University of South Carolina, Columbia, SC 29208, hickey@fiu.edu
    9:15 AM
    CHEMOSTRATIGRAPHY OF SUBDUCTION INITIATION: IODP EXPEDITION 352 BONINITE AND FAB
    SHERVAIS, John, Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, HAUGEN, Emily A., Department of Geology, Utah State University, Logan, UT 84322-4505, RYAN, Jeffrey, University of South Florida School of Geosciences, University of South Florida, 4202 East Fowler Ave, Tampa, FL 33620, GODARD, Marguerite, Géosciences Montpellier, Université de Montpellier, Place Eugène Bataillon, Montpellier, 34095, France, PRYTULAK, Julie, Department of Earth Science & Engineering, Imperial College London, London, SW7 2AZ, United Kingdom, SHIMIZU, Kenji, JAMSTEC, Yokosuka, 237-0061, Japan, CHAPMAN, Timothy, The University of Sydney, Camperdown, 2006 NSW, Australia, NELSON, Wendy R., Physics, Astronomy and Geosciences, Towson University, 8000 York Rd, Towson, MD 21252, HEATON, D.E., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, LI, Hongyan, Guangzhou Institute of Geochemistry, Chinese Academy Science, 511 Kehua Street, Wushan, Guangzhou, 510640, China, KIRCHENBAUR, Maria, Institut für Geologie und Mineralogie, Universitat Koln, Zülpicher Str. 49a, Köln, 50674, Germany, WHATTAM, Scott, 1Department of Earth and Environmental Sciences, Korea University, Seoul, 136-701, Korea, Republic of (South), REAGAN, Mark K., Geoscience, University of Iowa, Iowa City, IA 52242 and PEARCE, Julian A., Cardiff U, Cardiff, CF10 3AT, United Kingdom, john.shervais@usu.edu
    9:30 AM
    GEOCHEMICAL MODELING OF BONINITE AND FAB FROM IODP EXPEDITION 352, IZU-BONIN FOREARC
    HAUGEN, Emily A., Department of Geology, Utah State University, Logan, UT 84322-4505 and SHERVAIS, John W., Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322, ehaugen3@gmail.com
     
    9:45 AM
    Break
    10:00 AM
    TECTONIC AND VOLCANIC INTERPLAYS IN EARTH’S LARGEST AND ONLY KNOWN ACTIVE BONINITE VOLCANO PROVINCE
    RUBIN, Kenneth H., Geology and Geophysics, University of Hawaii, Manoa, 1680 East West Road, Honolulu, HI 96822 and EMBLEY, Robert W., NOAA/PMEL, 2115 SE O.S.U. Dr, Newport, OR 97365-5258, krubin@hawaii.edu
    10:15 AM
    EARLY CORDILLERAN ARC DEVELOPMENT RECORDED IN LATE PERMIAN AND EARLY TRIASSIC PLUTONS OF THE NORTHERN MOJAVE DESERT, CALIFORNIA
    CECIL, M. Robinson1, FERRER, Mary Ann2, RIGGS, Nancy R.3 and MARSAGLIA, Kathleen M.1, (1)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St, Northridge, CA 91130-8266, (2)Department of Geological Sciences, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330-8266, (3)Northern Arizona University, 2432 S Rocking Horse Lane, Flagstaff, AZ 86001, robinson.cecil@csun.edu
    10:30 AM
    STRATIGRAPHY AND DETRITAL ZIRCON GEOCHRONOLOGY OF THE EL PASO MOUNTAINS PERMIAN METASEDIMENTARY SEQUENCE, SOUTHERN CALIFORNIA: A UNIQUE RECORD OF ARC EMERGENCE ALONG SOUTHWESTERN LAURENTIA
    MCDONALD, Eric K.1, CECIL, M. Robinson1, MARSAGLIA, Kathleen M.1, HEERMANCE, Richard V.2 and RIGGS, Nancy R.3, (1)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St, Northridge, CA 91130-8266, (2)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St, Northridge, CA 91330-8266, (3)School of Earth Sciences and Environmental Sustainability, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86011-0103, EricMcD15@gmail.com
    10:45 AM
    IMPLICATIONS OF PERMIAN MAGMATISM IN SOUTHWEST LAURENTIA FOR TECTONIC RECONSTRUCTIONS
    RIGGS, Nancy R.1, BARTH, Andrew P.2, WALKER, J. Douglas3, LINDNER, Philip4, GONZALEZ-LEON, Carlos5, CECIL, M. Robinson6 and MARSAGLIA, Kathleen M.6, (1)Geology, School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-4099, (2)Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202, (3)Department of Geology, University of Kansas, Lawrence, KS 66045, (4)Pioneer Resources, 5205 N. O’Connor Blvd., Suite 200, Irving, TX 75039, (5)Instituto de Geologia, Universidad Nacional Áutonoma de Mexico, Apartado Postal 1039, Hermosillo, 83000, Mexico, (6)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St, Northridge, CA 91130-8266, nancy.riggs@nau.edu
    11:00 AM
    SUBDUCTION INITIATION AND EARLY EVOLUTION OF THE ALEUTIAN ARC: COMBINED ON-LAND AND OFF-SHORE STUDIES
    HOERNLE, Kaj1, HÖFIG, Tobias W.2, PORTNYAGIN, Maxim3, YOGODZINSKI, Gene4, WERNER, Reinhard3, HAUFF, Folkmar3, VAN DEN BOGAARD, Paul3 and GARBE-SCHOENBERG, Dieter5, (1)GEOMAR Helmholtz Center, Kiel, 24148, Germany; Institute of Geosciences, Christian-Albrechts-Universität Kiel, Kiel, 24098, Germany, (2)TU Bergakademie Freiberg, Freiberg, 09599, Germany, (3)GEOMAR Helmholtz Center, Kiel, 24148, Germany, (4)Department of Earth & Ocean Sciences, University of South Carolina, Columbia, SC 29208, (5)Institute of Geosciences, Christian-Albrechts-Universität Kiel, Kiel, 24098, Germany, khoernle@geomar.de
    11:15 AM
    THE EOCENE MAGMATIC HISTORY OF THE EARLY CENTRAL ALEUTIAN ARC
    KAY, Suzanne Mahlburg, EAS, Cornell University, Ithaca, NY 14853-1504, JICHA, Brian R., Department of Geoscience, University of Wisconsin, 1215 W. Dayton St., Madison, WI 53706 and RUBENSTONE, James, U. S. Nuclear Regulatory Commission, Washington, DC 20555, smk16@cornell.edu
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