10:45 AM - 11:00 AM
*Hiroshi Ichihara1,2, Takafumi Kasaya2, Kiyoshi Baba4, Tada-nori Goto3, Makoto Yamano4 (1.Graduate school of environmental studies, Nagoya University, 2.JAMSTEC, 3.University of Hyogo, 4.ERI, University of Tokyo)
[J] Oral
S (Solid Earth Sciences ) » S-CG Complex & General
Thu. May 26, 2022 10:45 AM - 12:15 PM 101 (International Conference Hall, Makuhari Messe)
convener:Gou Fujie(Japan Agency for Marine-Earth Science and Technology), convener:Makoto Yamano(Earthquake Research Institute, the University of Tokyo), Tomoaki Morishita(School of Geoscience and Civil Engineering, College of Science and Technology, Kanazawa University), convener:Takanori Kagoshima(University of Toyama), Chairperson:Gou Fujie(Japan Agency for Marine-Earth Science and Technology), Tomoaki Morishita(School of Geoscience and Civil Engineering, College of Science and Technology, Kanazawa University)
As the inputs to subduction zone, the nature of the incoming oceanic plate, such as surface relief, thermal state, lithology, and the water content, affects various processes occurring in the subduction zone, including arc magmatism and interplate and intraplate seismic activities. The oceanic plate is formed in the oceanic spreading ridge and moves through the ocean basin for a long time and subducts from the oceanic trench. The nature of the incoming oceanic plate is determined by all the processes occurring from the spreading ridge to the subduction trench; e.g., hydrothermal circulation, sedimentation and diagenesis for more than millions years at the oceanic basin, and plate bending-related faulting near the subduction trench. Therefore, for studying the nature of the subduction inputs, it is essential to reveal the various evolution processes of the oceanic plate between the spreading ridge and the subduction trench.
We welcome contributions from a broad range of earth science (geophysics, geology, petrology, drilling science, and so on) discussing topics related to the inputs to subduction zones, such as tectonic process associated with the plate bending prior to subduction, post-spreading volcanic activities including large seamount formation and petit-spot volcanoes, and the nature of the "normal" or "typical" oceanic plate.
This session is supported by the focus group of hard rock drilling science.
10:45 AM - 11:00 AM
*Hiroshi Ichihara1,2, Takafumi Kasaya2, Kiyoshi Baba4, Tada-nori Goto3, Makoto Yamano4 (1.Graduate school of environmental studies, Nagoya University, 2.JAMSTEC, 3.University of Hyogo, 4.ERI, University of Tokyo)
11:00 AM - 11:15 AM
*Hayato Nakamura1, Hiroshi Ichihara1, Maki Hata2, Noriko Tada3, Tada-nori Goto4, Tetsuo Matsuno5, Makoto Uyeshima2 (1.Graduate school of environmental studies, Nagoya University, 2.Earthquake Research Institute, the University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology, 4.Graduate School of Life Science, University of Hyogo, 5.Kobe Ocean Bottom Exploration Center, Kobe University)
11:15 AM - 11:30 AM
*Yuya Akamatsu1, Kumpei Nagase1, Natsue Abe2, Keishi Okazaki2, Kohei Hatakeyama3, Ikuo Katayama1 (1.Hiroshima University, 2.JAMSTEC, 3.Meisei University)
11:30 AM - 11:45 AM
*Shuhei Tanaka1, Atsushi Okamoto1, Kazuki Yoshida1, Yasuhiro Niwa2,4, Masao Kimura2,4, Masaoki Uno1, Masakazu Fujii3,5 (1.Tohoku University, 2.High Energy Accelerator Research Organization, 3.National Institute of Polar Research, 4.Institute of Materials Structure Science, 5.The Graduate University for Advanced Studies)
11:45 AM - 12:00 PM
*Yuka Niwa1, Akira Ishikawa1, Norikatsu Akizawa2 (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo)
12:00 PM - 12:15 PM
*Naoto Hirano1,2, Kazuto Mikuni2, Yosuke Shimbo2, Norikatsu Akizawa3, Shiki Machida4 (1.Center for Northeast Asian Studies, Tohoku University, 2.Graduate School of Science, Tohoku University, 3. Atmosphere and Ocean Research Institute, the University of Tokyo, 4.Ocean Resources Resurech Center for Next Generation, Chiba Institution of Technology)
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