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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 150
Monday, 23 October 2017: 1:30 PM-5:30 PM
Tahoma 5 (The Conference Center)

T231. Subduction Top to Bottom 2 (ST2B-2), Cascadia and Beyond

GSA Structural Geology and Tectonics Division; Future of Tectonics Initiative
Gray E. Bebout, David W. Scholl, Robert Stern, Anne Trehu, Joan Gomberg and Thomas W. Sisson, Advocates
150-1
1:30 PM
SUBDUCTION TOP TO BOTTOM (ST2B-2) CONCEPT AND ONLINE, GSA GEOSPHERE PUBLICATION VENUE
SCHOLL, David W., U. S. Geological Survey, retired emeritus, 345 Middlefield Rd, MS 999, Menlo Park, CA 94025 and BEBOUT, Gray E., U. S. Geological Survey, retired emeritus, 345 Middlefield Rd, MS 999, Menlo Park, CA 94025; Department of Earth and Environmental Sciences, Lehigh University, 1 West Packer Avenue, Bethlehem, PA 18015, dscholl1934@gmail.com
150-2
1:45 PM
FOCUSING THE LENS OFFSHORE CASCADIA – RECENT AND EMERGING EFFORTS TO EXPLORE PLATE BOUNDARY BEHAVIOR AND UNDERSTAND OFFSHORE HAZARDS (Invited Presentation)
ROLAND, Emily1, FREDRICKSON, Erik K.1, MACCREADY, Parker1, MYERS, Emma1, SCHMIDT, David2, STONE, Ian2, VIDALE, John E.3 and WILCOCK, William1, (1)University of Washington, School of Oceanography, Box 357940, Seattle, WA 98195, (2)Department of Earth and Space Sciences, University of Washington, Seattle, WA 351310, (3)Southern California Earthquake Center, University of Southern California, Los Angeles, CA 90007, eroland@uw.edu
150-3
2:00 PM
CASCADIA SUBDUCTION TREMOR MODULATED BY UPPER PLATE STRUCTURE AND COMPOSITION (Invited Presentation)
WELLS, Ray E., U.S. Geological Survey, 2130 SW 5th Ave., Portland, OR 97201, BLAKELY, Richard J., GMEG Menlo Park, U.S. Geological Survey, 345 Middlefield Rd, MS 989, Menlo Park, CA 94025, WECH, Aaron, US Geological Survey, Earth Science Center, 4200 University Dr, Anchorage, AK 99508, MCCRORY, Patricia A., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025 and MICHAEL, Andrew, Earthquake Science Center, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, rwells@usgs.gov
150-4
2:15 PM
LIMITED SEDIMENT UNDERTHRUSTING AND A STRONG, DRAINED CENTRAL CASCADIA ACCRETIONARY WEDGE: ANALYSIS OF SEISMIC REFLECTION IMAGING OFF WASHINGTON
WEBB, Susanna I. and TOBIN, Harold J., Dept. of Geoscience, University of Wisconsin - Madison, 1215 W. Dayton St, Madison, WI 53706, htobin@wisc.edu
150-5
2:30 PM
THE THERMAL EFFECTS OF PLATE-BENDING-RELATED THICKENING OF THE OCEANIC CRUSTAL AQUIFER IN THE JAPAN TRENCH AND NANKAI TROUGH SUBDUCTION ZONES
LUCERO, Angela C1, SPINELLI, Glenn A.1 and HE, Jiangheng2, (1)Department of Earth and Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, (2)Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC V8L 4B2, Canada, angela.lucero@student.nmt.edu
 
2:45 PM
Break
150-6
3:00 PM
DIAGENETIC REACTION PROGRESS CONSTRAINS THE THERMAL HISTORY OF THE NANKAI MARGIN
SPINELLI, Glenn A. and UNDERWOOD, Michael B., Department of Earth and Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, glenn.spinelli@nmt.edu
150-7
3:15 PM
CORRUGATIONS ALONG THE SHALLOW COSTA RICAN SUBDUCTION MEGATHRUST
EDWARDS, Joel H.1, KLUESNER, Jared W.2, SILVER, Eli1, BRODSKY, Emily E.1, BROTHERS, Daniel S.2, BANGS, Nathan L.B.3, WOOD, Ruby1 and OKAMATO, Kristina1, (1)Earth and Planetary Sciences, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, (2)USGS Pacific Coastal and Marine Science Center, U.S. Geological Survey, 2885 Mission S, Santa Cruz, CA 95060, (3)Institute for Geophysics, University of Texas at Austin, J.J. Pickle Research Campus (ROC), 10100 Burnet Rd. (R2200), Austin, TX 78758-4445, jhedward@ucsc.edu
150-8
3:30 PM
LAWSONITE REVISITED: INSIGHTS FROM INTEGRATED QUIG RAMAN BAROMETRY, TRACE ELEMENT THERMOMETRY, AND OS THERMODYNAMIC MODELLING OF GARNET INCLUSIONS IN LAWSONITE PSEUDOMORPHS FROM SYROS, GREECE
CASTRO, Adrian E. and SPEAR, Frank S., Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th St., Troy, NY 12180, castra3@rpi.edu
150-9
3:45 PM
THE GEODETIC CHARACTER OF THE CASCADE ARC (THERE’S MORE HERE THAN YOU MIGHT THINK)
POLAND, Michael P., LISOWSKI, Michael, DZURISIN, Daniel, KRAMER, Rebecca, MCLAY, Megan and PAUK, Benjamin, U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE Cardinal Court, Bldg 10 Ste 100, Vancouver, WA 98683, mpoland@usgs.gov
150-10
4:00 PM
EXPLOSIVE VOLCANIC PROCESSES AND HAZARDS IN THE CASCADES AND ALASKA, USA (Invited Presentation)
VAN EATON, Alexa1, VALLANCE, James W.1 and MASTIN, Larry G.2, (1)U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE Cardinal Court, Bldg 10, Suite 100, Vancouver, WA 98683, (2)U.S. Geological Survey, 1300 SE Cardinal Court, Bldg. 10, Suite 100, Vancouver, WA 98683, avaneaton@usgs.gov
150-11
4:15 PM
E-BOOK PUBLICATION ON DYNAMIC GEOLOGY OF THE NORTHERN CORDILLERA (ALASKA AND WESTERN CANADA)
NOKLEBERG, Warren J., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, BUNDTZEN, Thomas K., Pacific Rim Geological Consulting, 1129 1st Avenue, Box 81906, Fairbanks, AK 99708, PRICE, Raymond A., Geological Sciences and Engineering, Queens University, Kingston, ON K7L 3N6, Canada, SCHOLL, David W., Geology and Geophysics, USGS Emeritus, USGS 345 Middlefield Rd, MS 999, Menlo Park, CA 94025 and STONE, David B., Department of Geology & Geophysics, University of Alaska Fairbanks, P.O. Box 757320, Fairbanks, AK 99775, wnokleberg@usgs.gov
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