The 133rd Annual Meeting of the Geological Society of Japan
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Session OralT4[Topic] Metamorphic rocks and tectonicsEDI: Equality, Diversity, Inclusion

T4[Topic] Metamorphic rocks and tectonics

Mon. Sep 14, 2026 9:15 AM - 12:00 PM JST
Mon. Sep 14, 2026 12:15 AM - 3:00 AM UTC
oral room 2(AV lecture room)
Chiar:Yuki MORI, Ippei KITANO, Ryosuke OYANAGI
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[T4-O-1]Examining the shuffled-cards structure model proposed for the Sanbagawa Belt in the Kanto Mountains, Japan: Comparison between Raman carbonaceous material geothermometry and graphitization degree indicators

*Yui KOUKETSU1, Ichiko SHIMIZU2 (1. Graduate School of Environmental Studies, Nagoya University, 2. of Earth and Planetary Sciences, Graduate School of Science, Kyoto University)
Comment()
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)entryECS: Early Career Scientist

[T4-O-2]Re-evaluation of metamorphic temperature conditions of the oligoclase-biotite zone in the Sanbagawa Belt, central Shikoku, Japan.

*Shunsuke OGINO1, Yui KOUKETSU1 (1. Nagoya University Graduate School of Environmental Studies)
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9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[T4-O-3]Origin of metagabbroic rocks in the Sanbagawa belt in the western Shikoku, Japan

*Masayuki KOMATSU1, Nobuhiko NAKANO2, Yasuhito OSANAI2, Masaaki OWADA3, Tsuyoshi TOYOSHIMA4 (1. Ehime Univ., 2. Kyushu Univ., 3. Yamaguchi Univ., 4. Niigata Univ.)
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10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[T4-O-4]Origin and tectonic processes of serpentinite in the Shimanto Accretionary Complex: Possible diapiric intrusion of serpentinized oceanic lithosphere

*Yusuke SHIMURA1,2, Shunsuke ENDO3, Yoshihiro ASAHARA1, Toshiki HAJI2, Kentaro USHIMARU2, Koshi YAMAMOTO4 (1. Graduate School of Environmental Studies, Nagoya University, 2. Research Institute of Geology and Geoinformation, AIST, 3. Interdisciplinary Faculty of Science and Engineering, Shimane University, 4. Nagoya University Museum)
Comment()
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)entryECS: Early Career Scientist

[T4-O-5]P–T constraints on high-pressure metamorphism of the Pompangeo Schist Complex, Central Sulawesi: Pseudosection modeling of lawsonite-bearing blueschis

*Baso Rezki MAULANA1,2, Osamu NISHIKAWA1, Takamoto OKUDAIRA3 (1. Graduate School of International Resource Sciences, Akita University, Japan, 2. Geological Engineering, Hasanuddin University, Gowa, South Sulawesi, Indonesia, 3. Department of Geosciences, Osaka Metropolitan University, Japan)
Comment()
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

Break

10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)entryECS: Early Career Scientist

[T4-O-6]Metamorphic processes of Jadeite-Quartz Metatonalite in the Kamuikotan Belt, Hokkaido, Japan, inferred from field survey and microstructures -First outcrop report-

*Masaki NAKANO1, Hayato UEDA1 (1. Niigata University)
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11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)entryECS: Early Career Scientist

[T4-O-7]Petrology and Formation Process of Anthophyllite Rock from the Nagato Tectonic Zone, Inner Zone of Southwest Japan

*Kazuki TSUCHIDA1, Hikaru SAWADA1, Masaaki Owada2 (1. University of Toyama, 2. Yamaguchi University)
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11:15 AM - 11:45 AM JST(2:15 AM - 2:45 AM UTC)ECS: Early Career Scientist

[T4-O-8](Invited) Geological constraint on the slab–mantle coupling depth via micro-XAFS analysis of high-pressure metamorphic rocks

*Taisuke Ito1, Simon Wallis1, Yoshio Takahashi1, Shunsuke Endo2 (1. Department of Earth and Planetary Science, School of Science, The University of Tokyo, 2. Department of Earth Science, Interdisciplinary Faculty of Science and Engineering, Shimane University)
Comment()
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)entryECS: Early Career Scientist

[T4-O-9]cationCalc4EPMA: Open-source tool for automatic mineral phase identification and cation calculation from EPMA dataset

*Kazuki Matsuyama1,2, Yumiko Harigane3,4, Yoshihiro Nakamura4 (1. Nagoya Univ., 2. Univ. Montpellier, CNRS, 3. TUMSAT, 4. AIST)
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