[3ch101-11] R13 [Regular Session]Subduction zones and on-land accretionary complexes

Mon. Sep 6, 2021 8:00 AM - 11:45 AM ch1 (ch1)

Chiar:Yositaka Hashimoto, Yasuyuki Nakamura, Arito Sakaguchi

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8:00 AM - 8:15 AM

[R13-O-1] Geological structures of Permian accretionary complex around the Akiyoshi Limestone, and its possible accretionary process

*Koji Wakita¹, Tomohiro Tsuji¹, Masao Kametaka² (1. Yamaguchi University, 2. Dia Consultants)

8:15 AM - 8:30 AM

[R13-O-2] Pore fluid flow with grain dissolution in consolidated sand stone.

*Takumi MIYAHARA¹, Arito SAKAGUCHI¹ (1. Yamaguchi University)

8:30 AM - 8:45 AM

[R13-O-3] The thermal structure and thermal properties around the Ashizuri granite.

*Shiho Nishizawa¹, Yasutomo Omori², Weiren Lin³, Shun Chiyonobu⁴, Yuzuru Yamamoto¹ (1. Kobe Univ., 2. JAMSTEC, 3. Kyoto Univ., 4. Akita univ.)

8:45 AM - 9:00 AM

[R13-O-4] Consolidation anisotropy of Quaternary sedimentary rocks in the eastern part of the Boso Peninsula, central Japan

*Masahiro Miyazaki¹, Nana Kamiya¹, Weiren Lin¹ (1. Department of Urban Management, Graduate School of Engineering, Kyoto University)

9:00 AM - 9:15 AM

[R13-O-5] Effects of surface frictional condition on a subducting seamount

*Yuichi Okuma^1,2,3, Atsushi Noda³, Hiroaki Koge³, Yasuhiro Yamada⁴, Asuka Yamaguchi¹, Juichiro Ashi^1,2 (1. Atmosphere and Ocean Research Institute, The University of Tokyo , 2. Graduate School of Frontier Sciences, The University of Tokyo, 3. National Institute of Advanced Industrial Science and Technology, 4. FACULTY OF ENGINEERING, KYUSHU UNIVERSITY )

9:15 AM - 9:30 AM

[R13-O-6] A watershed of the Nankai forearc basin -Origin of the tectonic swell off the Kii Peninsula and its effect on segmentation of the Nankai seismogenic zones-

*Gaku KIMURA¹, Yasuyuki NAKAMURA¹, Kazuya SHIRAISHI¹, Gou FUJIE¹, Takeshi TSUJI², Rina FUKUCHI³, Asuka YAMAGUCHI⁴ (1. Japan Agency of Marine Science and Technology, 2. Kyushu University, 3. Naruto University of Education, 4. Atmosphere and Ocean Research Institute, The University of Tokyo)

Break (9:30 AM - 9:45 AM)

9:45 AM - 10:15 AM

[R13-O-7] [Invited]Proposal to IODP: Drilling and monitoring in Hyuga-Nada to unvail effects of ridge subduction on slow earthquakes

*Rie Nakata¹, Masataka Kinoshita¹, Yoshitaka Hashimoto², Yohei Hamada³ (1. University of Tokyo, 2. Kochi University, 3. JAMSTEC)

10:15 AM - 10:45 AM

[R13-O-8] [Invited]Overview of IODP drilling active backarc basin, Okinawa Trough: ongoing rifting of Eurasian continental margin

*Makoto Otsubo¹, Co-proponents of scientific drilling Okinawa Trough (1. Geological Survey of Japan)

10:45 AM - 11:00 AM

[R13-O-9] Detailed seafloor morphology and geological structure in the southern part of the Okinawa Trough north off Ishigaki Island

*Ayanori Misawa¹, Ryuta Arai², Masahiko Sato³, Saki Ishino¹, Hiroaki Koge¹, Makoto Otsubo¹, KH-21-3 Shipboard Scientists (1. GSJ, AIST, 2. JAMSTEC, 3. Department of Earth and Planetary Science, The University of Tokyo)

11:00 AM - 11:15 AM

[R13-O-10] Heat flow distribution in the southern part of Yaeyama Rift, southern Okinawa Trough

*Masa Kinoshita¹, Ayanori Misawa², Ryuta Arai³, Makoto Otsubo², KH-21-3 Scientists (1. ERI/UTokyo, 2. AIST, 3. JAMSTEC)

11:15 AM - 11:30 AM

[R13-O-11] Examining the characteristics of turbidites in the southern part of Okinawa Trough using numerical experiments based on cores from Expedition KH-21-3

*Zhirong Cai Cai¹, Hajime Naruse¹, Ken Ikehara², KH-21-3 Shipboard Scientists (1. Department of Geology and Mineralogy, Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University, 2. Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology)

Break (11:30 AM - 11:45 AM)

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