T12C:
Subduction Top to Bottom-2 II


Submit an Abstract to this Session


Session ID#: 56952

Session Description:
From top-to-bottom, many geological, geophysical, petrologic, geochemical and theoretical advances have been made in understanding the subduction zone processes and dynamics explored in 1996 in AGU Geophysical Monograph 96, “Subduction Top to Bottom”. This session, and a related Themed Issue in the online journal GEOSPHERE (http://www.geosociety.org/gsatoday/science/G354A/article.htm), are intended to revisit the topics explored 22 years ago in Monograph 96—reassessing them in light of new advances and discoveries in subduction zone research. We invite the broadest possible thematic range of contributions, including subduction-related hazards (volcanic eruptions, earthquakes and tsunamis) and resources.
Primary Convener:  David William Scholl, University of Alaska Fairbanks, Geosciences, Fairbanks, United States
Conveners:  Gray E Bebout, Lehigh University, Dept. Earth and Environmental Sciences, Bethlehem, PA, United States and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States
Primary Liaison:  David William Scholl, University of Alaska Fairbanks, Geosciences, Fairbanks, United States
Chairs:  Gray E Bebout, Lehigh University, Dept. Earth and Environmental Sciences, Bethlehem, PA, United States and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States
OSPA Liaison:  Gray E Bebout, Lehigh University, Dept. Earth and Environmental Sciences, Bethlehem, PA, United States
Index Terms:

8104 Continental margins: convergent [TECTONOPHYSICS]
8170 Subduction zone processes [TECTONOPHYSICS]

Abstracts Submitted to this Session:

Bridging Long- and Short-term Behavior Shows Fault Strength as a Strain-average Quantity (429824)
Ylona van Dinther, Utrecht University, Department of Earth Sciences, Utrecht, Netherlands
Deformational, Thermal, and Petrologic Evolution of the Forearc Mantle Wedge Corner in Subduction Zones (Invited) (352172)
Ikuko Wada, University of Minnesota, Department of Earth and Environmental Sciences, Minneapolis, United States and Lindsey M Kenyon, University of Minnesota Twin Cities, Earth Sciences, Minneapolis, MN, United States
Continental Collisions Zones and Serpentinite Belts: Water Release and Increased Serpentinite Mobility with Cold Forearc Mantle Isolation from Active Slab Cooling and Dewatering (407077)
Stephen H Kirby, USGS Retired, Menlo Park, United States
Exhumed Mafic HP Rocks are Warmer than Forearc Oceanic Crust in Modern Subduction Zones Suggesting Preferential Exhumation from Warm Subduction Settings (373092)
Peter E van Keken, Carnegie Institution for Science Washington, Washington, DC, United States, Ikuko Wada, University of Minnesota, Department of Earth and Environmental Sciences, Minneapolis, United States, Geoffrey A Abers, Cornell University, Ithaca, United States, Bradley R Hacker, University of California Santa Barbara, Santa Barbara, CA, United States and Kelin Wang, Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC, Canada
Petrochronologic constraints on the thermal evolution of the Catalina Schist (395079)
Kayleigh M Harvey1, Paul G Starr2, Stephanie Walker3, Sarah Penniston-Dorland4, Matthew J Kohn5 and Ethan Baxter3, (1)University of Maryland College Park, College Park, United States, (2)Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, MA, United States, (3)Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, United States, (4)University of Maryland, College Park, United States, (5)Boise State University, Department of Geosciences, Boise, United States
Concurrent subduction and exhumation of high-pressure rocks: a case study from the Western Alps (463736)
Andrew Smye, Pennsylvania State University Main Campus, Department of Geosciences, University Park, United States, Spencer Seman, Pennsylvania State University Main Campus, Department of Geological Sciences, University Park, PA, United States and Marco Scambelluri, University of Genova, Italy, Genova, Italy
Closing the gap in a double seismic zone: Properties and origin of intraslab seismicity in Northern Chile (389047)
Christian Sippl, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, Bernd Schurr, Deutsches GeoForschungsZemtrum GFZ, Potsdam, Germany, Timm John, Free University of Berlin, Institute of Geological Sciences, Berlin, Germany and Sebastian Hainzl, Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany
Global characterization of seismicity along Double Benioff Zones (396992)
German A Prieto, Universidad Nacional de Colombia (UNAL), Departamento de Geociencias, Bogotá, Colombia and Manuel Alberto Florez, Massachusetts Institute of Technology, Cambridge, MA, United States

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