Japan Geoscience Union Meeting 2018

Session information

[EJ] Oral

S (Solid Earth Sciences) » S-CG Complex & General

[S-CG58] Investigation of inputs to subduction zones: Influence of tectonic processes on the incoming plate

Wed. May 23, 2018 9:00 AM - 10:30 AM 302 (3F International Conference Hall, Makuhari Messe)

convener:Makoto Yamano(Earthquake Research Institute, the University of Tokyo), Tomoaki Morishita(School of Natural System, Colleage of Science and Technology, Kanazawa University), Gou Fujie(海洋研究開発機構), Chairperson:Obana Koichiro(Japan Agency for Marine-Earth Science and Technology), Morishita Tomoaki(Kanazawa University)

Various tectonic processes occur on the seaward side of the trench associated with bending of the incoming oceanic plate, e.g., fracturing of oceanic crust, infiltration of water, and intraplate volcanism. Investigation of these processes and their influence on the incoming plate provides important information on the boundary condition at the trench, inputs to subduction zones. We welcome contributions from a broad range of earth science (geophysics, geology, petrology, and so on) discussing topics related to inputs to subduction zones such as occurrence of tectonic processes due to bending of the incoming plate, modification of the incoming plate by the processes, relationship between the processes and the inherited structure of the incoming plate, and influence of the processes on the subduction plate interface. We hope discussions are made on studies of a variety of subduction zones, including the Japan Trench and the Nankai Trough, and comparative studies among different subduction zones.

9:45 AM - 10:00 AM

*Asuka Yamaguchi1, Gou Fujie2, Naoto Hirano3, Takanori Kagoshima1, Norikatsu Akizawa1, Tomoaki Morishita4, Shigeaki Ono5, Tomohiro Toki6, Makoto Yamano7, Jun-Ichi Kimura8 (1.Atomosphere and Ocean Research Institute, The University of Tokyo, 2.Research and Development (R&D) Center for Earthquake and Tsunami (CEAT), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.Center for Northeast Asian Studies, Tohoku University, 4.Faculty of Natural System, Institute of Science and Engineering, Kanazawa University, 5.Research and Development Center for Ocean Drilling Science (ODS), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 6.Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, 7.Earthquake Research Institute, the University of Tokyo, 8.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology (JAMSTEC))




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