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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 115
Monday, 23 October 2017: 8:00 AM-12:00 PM
Tahoma 4 (The Conference Center)

T227. Ophiolite and Ocean Plate Stratigraphy Records in Modern and Ancient Accretionary and Collisional Orogenic Belts in the Circum Pacific Region I

GSA Structural Geology and Tectonics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geophysics Division; Geological Society of China; GSA Sedimentary Geology Division
Yildirim Dilek and Jingsui Yang, Advocates
 
8:00 AM
Introductory Remarks
115-1
8:05 AM
PACIFIC RIM ACCRETION, PAST AND UNDERWAY—THE IMPORTANCE OF FOREARC CRUSTAL UNDERPLATING (Invited Presentation)
SCHOLL, David W., U. S. Geological Survey, retired emeritus, 345 Middlefield Rd, MS 999, Menlo Park, CA 94025, dscholl1934@gmail.com
115-2
8:25 AM
FOREARC SUBDUCTION EROSION AND CONTRACTION IN THE EVOLUTION OF ACCRETIONARY AND NON-ACCRETIONARY STAGES IN THE CENTRAL ALEUTIAN AND CENTRAL ANDEAN ARCS (Invited Presentation)
KAY, Suzanne Mahlburg, EAS, Cornell University, Ithaca, NY 14853-1504, smk16@cornell.edu
115-3
8:45 AM
VARIATIONS OF DEFORMATION AND EMPLACEMENT TYPES IN ACCRETIONARY PRISMS: COMPARISON BETWEEN THE FRANCISCAN AND JAPANESE ON LAND AND SUBMERSIBLE EXAMPLES
OGAWA, Yujiro, Earth Evolution Science, University of Tsukuba (Professor Emeritus), (Home) 1-1-2-C-740 Yokodai, Century Tsukubamiraidaira, Tsukubamirai, 3002358, Japan and DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, 208 Shideler Hall, Patterson Avenue, Oxford, Ohio, OH 45056, fyogawa45@yahoo.co.jp
115-4
9:00 AM
MISSING OCEAN PLATE STRATIGRAPHY: A KEY TO UNDERSTANDING CONTINUOUS VERSUS DISCONTINUOUS ACCRETIONARY COMPLEX FORMATION IN THE PALEOZOIC AND MESOZOIC RECORD OF SOUTHWEST JAPAN
WAKITA, Koji, The Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, 7538512, Japan, k-wakita@yamaguci-u.ac.jp
115-5
9:15 AM
OPS CHERT CONUNDRA IN FRANCISCAN COMPLEX ACCRETIONARY UNITS
RAYMOND, Loren A., Professor Emeritus, Geology Department, Appalachian State University, Boone, NC 28608; Coast Range Geological Mapping Institute, Santa Rosa, CA 95405, raymondla@bellsouth.net
Handouts
  • Talk 115-5. GSA 2017. Chert Conundrums.pdf (9.7 MB)
    • 115-6
    9:30 AM
    ACCRETIONARY RECORDS OF THE JAPANESE ARCHIPELAGO, NW PACIFIC RIM
    HIRANO, Naoto, Center for Northeast Asian Studies, Tohoku University, Kawauchi 41, Aoba-ku, Sendai, 980-8576, Japan, nhirano@m.tohoku.ac.jp
    115-7
    9:45 AM
    EARLY DIAGENESIS OF DEEP-SEA SEDIMENTS ON INCOMING PLATES: EXAMPLES FROM THE IZU-BONIN TRENCH AND THE SUNDA TRENCH
    KAWAMURA, Kiichiro, KURANAGA, Mebae, MOCHIZUKI, Kenta and SCIENTISTS, IODP Expedition362, Graduate School of Sciences and Technology for innovation, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, 753-8511, Japan, kiichiro@yamaguchi-u.ac.jp
     
    10:00 AM
    Break
    115-8
    10:15 AM
    MID-MESOZOIC-PALEOGENE EVOLUTION OF THE NORTHERN AND CENTRAL CALIFORNIAN ACCRETIONARY MARGIN
    ERNST, W. Gary, Department of Geological Sciences, Stanford University, Bldg 320, room 118, Stanford, CA 94305-2115, wernst@stanford.edu
    115-9
    10:30 AM
    THE LIFE AND TIMES OF AN ACCRETED CRETACEOUS EXTENSIONAL ARC (ROSARIO SEGMENT OF THE ALISITOS ARC); AN OUTSTANDING ANALOG TO ACTIVE WESTERN PACIFIC EXTENSIONAL ARCS
    DEBARI, Susan M.1, MORRIS, Rebecca1, BUSBY, Cathy J.2 and MEDYNSKI, Sarah3, (1)Geology, Western Washington University, M.S. 9080, Bellingham, WA 98225, (2)Department of Earth and Planetary Sciences, University of California, Davis, One Shields Ave., Davis, CA 95616, (3)Department of Earth and Planetary Sciences, University of California at Davis, Davis, CA 95616, Susan.DeBari@wwu.edu
    115-10
    10:45 AM
    ORIGIN AND EMPLACEMENT OF MAFIC–ULTRAMAFIC ROCK ASSEMBLAGES FROM DOWNGOING SLABS AT SUBDUCTION–ACCRETION COMPLEXES: PACIFIC RIM EXAMPLES AND ANCIENT ANALOGUES IN COLLISION ZONES
    DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, Oxford, 208 Shideler Hall, 250 S Patterson Avenue, Oxford, Ohio, OH 45056, dileky@miamioh.edu
    115-11
    11:00 AM
    Withdrawn
     
    11:15 AM
    Discussion
     
    11:30 AM
    Concluding Remarks
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