The 132nd Annual Meeting of the Geological Society of Japan
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Session Details

Session OralT10 ［Topic Session］TectonicsEDI

[2oral213-21]T10. Tectonics

Mon. Sep 15, 2025 3:00 PM - 5:30 PM JST
Mon. Sep 15, 2025 6:00 AM - 8:30 AM UTC
oral room 2(E107)
Chiar:Hideki Mukoyoshi(Shimane Univ.), Satoshi Tonai(Kochi University), Yohei HAMADA(JAMSTEC)
3:00 PM - 3:30 PM JST(6:00 AM - 6:30 AM UTC)

[T10-O-1][Invited] From ocean floor to orogen: Deep underplating of the Sanbagawa metamorphic belt

*Shunsuke ENDO1, Nachi KURIHARA1, Umito SAKI1 (1. Shimane University)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[T10-O-2]Reexamining the ridge subduction model for the Cretaceous geological evolution of SW Japan

*Simon R. WALLIS1 (1. The University of Tokyo)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[T10-O-3]Provenance variation of the Paleocene to early Miocene Shimanto accretionary complex, Muroto Peninsula, Southwest Japan

*Hidetoshi HARA1, Satoshi TONAI2, Hinako MATSUMOTO3 (1. AIST, 2. Kochi Univ., 3. Dia Nippon Engineering Consultants Co., Ltd.)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[T10-O-4]Zircon U-Pb dates and paleomagnetic directions from the Chichibu and Itsukaichi sedimentary basins: New insights into Neogene tectonics of the Kanto Mountains in central Honshu

*Hiroyuki HOSHI1, Ikumi MATSUMOTO1, Hideki IWANO2,3, Tohru DANHARA2 (1. Aichi University of Education, 2. Kyoto Fission-Track Co. Ltd, 3. Geochemical Research Center, The University of Tokyo)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)entryECS

[T10-O-5]Tectonics of seamount subduction revealed by deformation structures in a forearc basin: a case study of the Neogene Miyazaki Group.

*Takeru YOSHIMOTO1, Yuzuru YAMAMOTO1 (1. Kobe University)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[T10-O-6]Stress field and its spatial variation viewed from the kinematics of the inland faults, Hokushinetsu region

*Kenta KOBAYASHI1, Hibiki CHIBA2, Keita TAKAHASHI3 (1. Department of Geology, Faculty of Science, Niigata University, 2. Nuclear Regulation Authority (NRA), 3. Yachiyo Engineering Co., Ltd.)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[T10-O-7]Holocene tectonics in southern Kumamoto along Hinagu fault zone

*Yusuke Yokoyama1,2,3,4, Evan Tam1,3, Yosuke Miyairi1, Yoshiki Shirahama5,6, Yukari Miyashita5 (1. AORI, Univ. Tokyo, 2. DEPS, Univ. Tokyo, 3. GPES, Univ. Tokyo, 4. Research School of Physics, The Australian National Univ., 5. strial Science and Technology, 6. Earthquake Research Insitute, The University of Tokyo)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[T10-O-8]Differences in mean activity intervals between two types of fracture zones in the Futagawa Fault Zone

*Tatsuro YOSHIMURA1 (1. Daiichi Fukken Co.,Ltd.)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[T10-O-9]Seismic activities around Akuseki Island and Strain accumulation with Plate Motion along Ryukyu Trench.

*Nobuaki Niitsuma1 (1. Inst. GeoSci. Shizuoka Univ.)
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