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Scientific Drilling The open-access ICDP and IODP journal
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Volume SpecialIssue
Sci. Dril., SpecialIssue, 92–93, 2007
https://doi.org/10.2204/iodp.sd.s01.21.2007
© Author(s) 2007. This work is distributed under
the Creative Commons Attribution 3.0 License.
Sci. Dril., SpecialIssue, 92–93, 2007
https://doi.org/10.2204/iodp.sd.s01.21.2007
© Author(s) 2007. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Nov 2007

01 Nov 2007

Dynamics of Earthquake Faulting in Subduction Zones: Inference from Pseudotachylytes and Ultracataclasites in an Ancient Accretionary Complex

K. Ujiie K. Ujiie
  • Institute for Research on Earth Evolution (IFREE), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3173-25 Showa-machi, Yokohama-city, Kanagawa 236-0001, Japan

Abstract. The fault rocks in ancient accretionary complexes exhumed from seismogenic depths may provide an invaluable opportunity to examine the mechanisms and mechanics of seismic slip in subduction thrusts and splay faults. In order to understand the dynamics of earthquake faulting in subduction zones, we analyzed pseudotachylytes and ultracataclasites from the Shimanto accretionary complex in southwest Japan.

doi:10.2204/iodp.sd.s01.21.2007

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