The 133rd Annual Meeting of the Geological Society of Japan
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Session Details

Session OralT1[Topic] Tectonics

T1[Topic] Tectonics

Sun. Sep 13, 2026 9:15 AM - 12:00 PM JST
Sun. Sep 13, 2026 12:15 AM - 3:00 AM UTC
oral room 4(Lecture room B)
Chiar:Hiroaki KOGE
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[T1-O-1]A Paradigm Shift in “Fault Models” for Active Faults: Insights from the Reiwa 6 Noto Peninsula Earthquake

*Tatsuro Yoshimura1 (1. Daiichi Fukken Co.)
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9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[T1-O-2]Revisiting Plio–Holocene Tectonics of Southwest Japan: Implications for the Spatiotemporal Scale of Uniformitarianism

*Gaku KIMURA1 (1. Japan Agency for Marine-Earth Science and Technology)
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9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[T1-O-3]“ Underground Spreading Ridge Hypothesis” for “Ise Bay-Biwa Lake-Tsuruga Bay Low Land Area”

*Nobuaki Niitsuma1 (1. Institute GeoSci. Shizuoka Univ, Sendai)
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10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[T1-O-4]Kinematics and deformation environment of the Iidesan mylonite zone

*Kenta KOBAYASHI1, Reina ONOZAWA2, Naohiro OKADA3 (1. Niigata University, 2. University of Tsukuba, 3. Nittetsu Mining Consultants Co., Ltd.)
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10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

Break

10:30 AM - 11:00 AM JST(1:30 AM - 2:00 AM UTC)

[T1-O-5](Invited) Mountain-building tectonics of volcanic arcs in subduction zones revealed by low-temperature thermochronology

*Shigeru SUEOKA1 (1. Tono Geoscience Center, Japan Atomic Energy Agency)
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11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)ECS: Early Career Scientist

[T1-O-6]Feasibility study for zircon and apatite thermochronology on the uplifting Noto Peninsula

*Ruby Connemara MARSDEN1, Noriko HASEBE1 (1. Kanazawa University)
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11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[T1-O-7]The order and evidence of the rise of Jobu Mountains, Chichibu Mountains, and Oku-Musashi Mountains, which were pushed up by the Chichibu Flexure-Basin

*Sadayoshi NAITO1 (1. Chichibe-Belt OHCHIGAWA VISITOR CENTER)
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11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[T1-O-8]Amphibole K-Ar ages of the Kurouchi ultramafic body in Shimonita Geopark, Gunma Prefecture - Possibility of a klippe thrust over the Mikabu Greenstones.

*Atsushi MIYASHITA1, Hiroyoshi ARAI2, Masakazu RIKITA3, Hiroshi HOSHINA3, Hideo TAKAGI4 (1. The Open University of Japan, 2. Waseda University Honjo Senior High School, 3. Shimonita Nature School, 4. Waseda University)
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11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)entry

[T1-O-9]Changes in deformation patterns and load response during prolonged wedge growth in dry sand analogue experiments

*Nodoka Oda1, Satoshi Tonai1, Hiroaki Koge2, Takami Tachibana1 (1. Kochi Univ., 2. National Institute of Advanced Industrial Science and Technology)
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