T43D:
Illuminating the Factors That Determine Subduction Megathrust Fault Slip Style III

Thursday, 18 December 2014: 1:40 PM-3:40 PM
Chairs:  Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Matt Ikari, MARUM - University of Bremen, Bremen, Germany
Primary Conveners:  Ake Fagereng, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa; Cardiff University, School of Earth and Ocean Sciences, Cardiff, United Kingdom
Co-conveners:  Matt Ikari, MARUM, University of Bremen, Bremen, Germany, Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States
OSPA Liaisons:  Matt Ikari, MARUM - University of Bremen, Bremen, Germany

Abstracts Submitted to this Session:

1:40 PM
T43D-01
 
Fault plane reflectivity along subduction thrusts: What does it really tell us?
Demian M Saffer, Pennsylvania State University, University Park, PA, United States and Harold J Tobin, University of Wisconsin Madison, Madison, WI, United States
1:55 PM
T43D-02
 
Pore Fluid Pressure and State of Stress Above the Plate Interface from Observations in a 3 Kilometer Deep Borehole: IODP Site C0002, Nankai Trough Subduction Zone
Harold J Tobin, University of Wisconsin Madison, Madison, WI, United States, Demian M Saffer, Pennsylvania State University, University Park, PA, United States, Takehiro Hirose, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, David A. Castillo, Insight Geomechanics, Perth, Australia, Hiroko Kitajima, Texas A & M University, College Station, TX, United States and Hiroki Sone, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
2:10 PM
T43D-03
 
Quantification of in situ stress and pore pressure in the Nankai subduction zone: Effects of lithology and loading path
Hiroko Kitajima, Texas A & M University, College Station, TX, United States and Demian M Saffer, Pennsylvania State University, University Park, PA, United States
2:25 PM
T43D-04
 
Role of Silica Redistribution in the Rate-State Behavior of Megathrusts: Field Observations and Experimental Results
Donald M Fisher, Pennsylvania State University Main Campus, Department of Geosciences, University Park, PA, United States and Sabine A.M. Den Hartog, Pennsylvania State University Main Campus, University Park, PA, United States
2:40 PM
T43D-05
 
Focused Fluid Flow and Cementation in Fault Zones From NanTroSEIZE Site C0002, Expedition 348
James C Sample1, Emilie Even2, Sebastian Hammerschmidt3, Shigeshi Fuchida2, Takehiro Hirose4, Demian M Saffer5 and Harold J Tobin6, (1)Northern Arizona University, Flagstaff, AZ, United States, (2)Osaka city University, Osaka, Sumiyoshi-ku,, Japan, (3)MARUM, Bremen, Germany, (4)JAMSTEC, Kochi Institute for Core Sample Research, Nankoku City, Kochi, Japan, (5)Pennsylvania State University, University Park, PA, United States, (6)University of Wisconsin Madison, Madison, WI, United States
2:55 PM
T43D-06
 
Hikurangi Margin: Geology, Flow Rates, Water-Rock Interaction and Relative Fluid Ages
Agnes G Reyes, GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand
3:10 PM
T43D-07
 
Can Competition Between Frictional Sliding and Viscous Creep Determine Megathrust Fault Slip Style?
Ake Fagereng, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa
3:25 PM
T43D-08
 
Plastic Creep and Brittle-Ductile Transition in Hydrated Rocks of the Plate Interface
Bruno Reynard, Ecole Normale Supérieure Lyon, Lyon, France
 
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