Study of a Burial Model of a Shallow Submarine Active Fault Scarp : An Example from the Kuwana Fault, Central Japan(<Featured Articles>Turkey-Japan Joint Conference on Geomorphology)

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概要

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• This study proposed a burial model of shallow submarine fault scarp which produced by the Kuwana fault whose event horizons were obtained in Naruhashi et al. (2008). We examined whether the change in grain size composition and the initial magnetic susceptibility of cores could be used as the proxy showing faulting events. Strata around the shallow marine reverse fault have two kinds of characteristic facies each of co-seismic event horizon and horizon corresponds to post-seismic burial processes, and both horizons form one sequential unit. By verifing grain size composition and depositional rates, we showed that burial process of the fault scarp start from foot of the scarp to distance, and clinoforms are added to the downthrown side gradually with a fault scarp planarization.

• 2011-04-25

著者

• Sugai Toshihiko

  Graduate School Of Frontier Sciences The University Of Tokyo

• NARUHASHI Ryutaro

  Graduate School of Frontier Sciences, the University of Tokyo

• Naruhashi Ryutaro

  Graduate School Of Frontier Sciences The University Of Tokyo

関連論文

• Study of a Burial Model of a Shallow Submarine Active Fault Scarp : An Example from the Kuwana Fault, Central Japan(Turkey-Japan Joint Conference on Geomorphology)

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