[S-CG45] Ocean Floor Geoscience

Sat. Jun 5, 2021 9:00 AM - 10:30 AM Ch.19 (Zoom Room 19)

convener:Kyoko Okino(Atmosphere and Ocean Research Institute, The University of Tokyo), Chairperson:Yukari Kido(Japan Agency for Marine-Earth Science and Technology), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo)

Most of Earth's volcanism and much of its tectonic activity occur on and beneath the s eafloor. Various phenomena on the seafloor are closely linked to plate tectonics, Earth s tructure and dynamics, and also related to Earth's environments through the hydrosphe re and atmosphere. Seafloor rocks and sediments record Earth's evolution and heat an d material fluxes on the Earth. Ocean Floor Geoscience session covers a broad range of research on seafloor such as mid-ocean ridge process, subduction dynamics, arc magm atism, hot spot and LIPs, crustal movement and structure etc. Every field of researches and every approaches are welcomed.The session aims to encourage discussion among scientists from different study fields and to integrate our understanding of ocean floor. The session is co-chaired by K. Tadokoro (Nagoya Univ.), O. Ishizuka (AIST), T. Toki (Univ . Ryukyus), and N. Takahashi (JAMSTEC).

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9:00 AM - 9:15 AM

[SCG45-01] JAMSTEC Contribution to the NIPPON FOUNDATION-GEBCO SEABED2030 Project

*Yukari Kido¹, Mitsuko Hidaka¹, Daisuke Matsuoka¹, Tatsu Kuwatani¹, Junji Kaneko¹, Takafumi Kasaya¹, Yoichi Ishikawa¹, Eiichi Kikawa¹ (1.Japan Agency for Marine-Earth Science and Technology)

9:15 AM - 9:30 AM

[SCG45-02] The new tectonic model between the Madagascar Ridge and the Del Cano Rise in the southern Indian Ocean

*Taichi Sato¹, Yoshifumi Nogi², Hiroshi Sato³, Masakazu Fujii² (1.National Institute of Advanced Industrial Science and Technology, 2.National Institute of Polar Research, 3.Senshu University)

9:30 AM - 9:45 AM

[SCG45-03] Sedimentation process at the South Shetland Trench in the Antarctic Ocean

*Asuka Yamaguchi¹ (1.Atomosphere and Ocean Research Institute, The University of Tokyo)

9:45 AM - 10:00 AM

[SCG45-04] Highly refractory dunite formation in Gibbs Island and Bruce Bank, and its role in the evolution of the circum-Antarctic continent

*Norikatsu Akizawa¹, Asuka Yamaguchi¹, Chihiro Ohshima¹, Kenichiro Tani², Akira Ishikawa³, Ryo Fujita³, SUNG HI CHOI⁴ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.National Museum of Nature and Science, 3.Tokyo Institute of Technology, 4.Chungnam National University)

10:00 AM - 10:15 AM

[SCG45-05] Magmatic evolutions erupted on the Cretaceous seamount province, western Pacific Plate

*Naoto Hirano¹, Hirochika Sumino², Taisei Morishita³ (1.Center for Northeast Asian Studies, Tohoku University, 2.Graduate School of Arts and Sciences, The University of Tokyo, 3.Hydrographic and Oceanographic Department, Japan Coast Guard)

10:15 AM - 10:30 AM

[SCG45-06] Pre-stack depth imaging and pore-fluid pressure estimation along the Nankai Trough subduction zone off the Kii Peninsula, SW Japan

*YU FAN¹, Ehsan Jamali Hondori¹, Jin-Oh Park¹ (1.The University of Tokyo)

Session information