The 132nd Annual Meeting of the Geological Society of Japan
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Session PosterT4 ［Topic Session］Deformation and reaction of rocks and minerals activities

[3poster01-18]T4. Deformation and reaction of rocks and minerals activities

Tue. Sep 16, 2025 1:30 PM - 3:00 PM JST
Tue. Sep 16, 2025 4:30 AM - 6:00 AM UTC
T4_poster(General Edu. Build.C, 1-2F)

[T4-P-1]Assessment of Natural Hydrogen Potential in Kyushu Focusing on Serpentinization Reaction - Outcrop Survey and Initial Analysis in Nagasaki, Oita and Kumamoto

*Akihiro Shishida1, Yasuhiro Yamada2, Keiichi Ishizu2, Akane Ito2 (1. Kyushu University Graduate School of Engineering, 2. Kyushu University Faculty of Engineering)
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[T4-P-2]Frictional behavior of landslide-prone soils influenced by water adsorption

*Ryosei OMORI1,2, Miki TAKAHASHI2, Hideo HOSHIZUMI3, Ayumu MIYAKAWA3, Shigeo OKUMA3, Shin-Ichi UEHARA1 (1. Graduate School of Science, Toho University, 2. Research Institute of Earthquake and Volcano Geology, AIST, 3. Research Institute of Geology and Geoinformation, AIST)
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[T4-P-3]Deformation mechanisms and rheology of plate boundary rocks in subduction zones

*Yuto Yamasaki1, Kohtaro Ujiie1, Thomas Yeo1 (1. University of Tsukuba)

[T4-P-4]Mass transfer in a hydrated ductile shear zone developed in the crust-mantle boundary

*Itsuki NATSUME1, Katsuyoshi MICHIBAYASHI2,3, Atsushi OKAMOTO4 (1. Kanagawa Prefectural Museum of Natural History, 2. Department of Earth and Planetary Sciences, GSES , Nagoya University, 3. Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC), 4. Graduate School of Environmental Studies)
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[T4-P-5]In-situ oxygen isotope analysis of serpentine from the lower crust to the upper mantle sections of the Oman Ophiolite

*Kazuki YOSHIDA1, Maria Rosa Scicchitano2, Atsushi Okamoto3 (1. High Energy Accelerator Research Organization, 2. GFZ Potsdam, 3. Tohoku Univ.)
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[T4-P-6]Estimating strain rates and shear stresses along subduction zone plate boundaries: Insights from quartz deformation mechanisms and rheological properties

*Shota Komagino1, Kohtaro Ujiie1, Thomas Yeo1, Norio Shigematsu2 (1. University of Tsukuba, 2. AIST)
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[T4-P-7]Transition of deformation mechanisms in chlorite-actinolite schist depending on actinolite grain size

*Kotaro KUBOTA1, Ken-ichi HIRAUCHI1, Thomas YEO2 (1. Department of Geosciences, Faculty of Science, Shizuoka University, 2. University of Tsukuba)
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[T4-P-8]Structural Characteristics and Tectonic Setting of a Crustal Scale Shear Zone: The Gadag–Mandya Shear Zone, Dharwar Craton, India

*Manato Urakawa1, Lakshmanan Sreehari1, Yoshihiro Nakamura2 (1. Shimane Univ., 2. AIST)
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[T4-P-9]Re-examination of the mylonitization of plagioclase lherzolite in the Uenzaru peridotite complex, Hidaka Metamorphic Belt, Hokkaido

*So INOUE1, Katsuyoshi MICHIBAYASHI1 (1. Department of Earth and Planetary Sciences, GSES, Nagoya University)
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[T4-P-10]Effect of water injection on effective normal stress on friction behavior

*Riku IWATA1,2, Manami KITAMURA2, Michiyo SAWAI3, Shinichi UEHARA1 (1. Toho University , 2. GSJ,AIST, 3. Chiba University)

[T4-P-11]Microstructural analysis in the Nadagawa Fault (subsidiary fault) slipped during the 1995 Hyogoken-Nanbu earthquake

*Kotaro Aiyama1, Masaki Suehiro2, Kazunari Kimura3 (1. Central Research Institute of Electric Power Industry, 2. Hanshin consultants Co., Ltd., 3. K-geo)

[T4-P-12]Rock Frictional Properties and Rupture Arrest Mechanisms at the Kumamoto Earthquake Termination: An Experimental Study

Kazuo Mizoguchi1, *Takahiro Iida2, Tomonori Taniguchi2, Sachiko Iizuka2 (1. Central Research Institute of Electric Power Industry, 2. CERES)
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[T4-P-13]Petrology of mafic and felsic volcanoes from Southern Rukyu Arc and Okinawa Trough

*Naoki UZAWA1, Yuji ICHIYAMA1, Ayanori MISAWA2, Osamu ISHIZUKA2 (1. Chiba Univ., 2. National Institute of Advanced Industrial Science and Technology)
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[T4-P-14]Stress state at shallow crust estimated from outcrop-scale faults in the altered dike

*Noriaki Abe1,2, Toru Nakajima1,3, Nariaki Nishiyama1, Hiroaki Hakoiwa1,4, Takanori Ishihara1,5, Fukuka Kida1, Yasuhiro Ogita1, Masakazu Niwa1 (1. Tono Geoscience Center, Japan Atomic Energy Agency, 2. Research Institute for Geo-Resources and Environment, Geological Survey of Japan, AIST, 3. University of Toyama, 4. OYO Corporation, 5. Chuo-Kaihatsu Corporation)

[T4-P-15]Elements migration by iso-volumetric weathering in andesite

*Eiji NAKATA1 (1. Central Research Institute of Electric Power Industry)

[T4-P-16]How does stress condition and yield criterion affect permeability of shear zones induced in the Kazusa Group mudstones?

*Miyu Matsubara1, Shinichi Uehara1 (1. Toho Univ.)
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[T4-P-17]Evolution of mechanical properties, energetics, and microstructures associated with frictional melting during repeated seismic slips on simulated gabbroic faults

*Dyuti Prakash Sarkar1, Takehiro Hirose2, Wataru Tanikawa2, Yohei Hamada2, Hanaya Okuda2 (1. Yamaguchi Univ., 2. Kochi Institute for Core Sample Research, JAMSTEC)
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[T4-P-18]Experimental study on the effect of humidity on the frictional behavior of quartz-bearing rocks at intermediate to high velocities

*Mamoru Hatanaka1, Akito Tsutsumi1 (1. Kyoto university)
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