The 132nd Annual Meeting of the Geological Society of Japan
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Session OralT7 ［Topic Session］Latest Studies in Sedimentary Geology

[2oral510-18]T7. Latest Studies in Sedimentary Geology

Mon. Sep 15, 2025 3:00 PM - 5:45 PM JST
Mon. Sep 15, 2025 6:00 AM - 8:45 AM UTC
oral room 5(E205)
Chiar:Dan MATSUMOTO(GSJ, AIST), Fumito SHIRAISHI(Hiroshima University)
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[T7-O-1]Long- and short-term tectonic cycles and consequent depositional-system changes in forearc, backarc and foreland basins

*Osamu TAKANO1 (1. JAPEX Research Center)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[T7-O-2]Recent surface sediment cores from Lake Suwa, Japan and their sedimentological implications

*Fujio KUMON1, Nozomi HATANO2 (1. Marine Core Research Institute, Kochi University, 2. Niigata University)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[T7-O-3]Investigation of tsunami deposits in the Seto Inland Sea coastal area: coring survey at Lake Oike, Hiketa area, northeastern Shikoku

*Masaru TERABAYASHI1, Atsushi URABE2, Hideo SAKAI3, Yoshiyuki KANEDA4, Toshinori MATSUI5 (1. Faculty of Engineering and Design, Kagawa University, 2. Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 3. School of Science, University of Toyama, 4. Institute of Education, Research and Regional Cooperation for Crisis Management Shikoku, Kagawa University, 5. Graduate School of Science for Creative Emergence, Kagawa University)
3:45 PM - 4:15 PM JST(6:45 AM - 7:15 AM UTC)

[T7-O-4]Long-term deep-sea paleoseismology around the Japanese islands: current status and future challenges

*Ken IKEHARA1,2,3 (1. National Institute of Advanced Industrial Science and Technology, 2. National Museum of Nature and Science, Tokyo, 3. Shizuoka University)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[2oral510-18-5add]Break

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)ECS

[T7-O-5]Concretion formation process of trace fossil Tasselia ordamensis from the Hayama Group distributed in the Miura Peninsula, Kanagawa

*Akihide KIKUKAWA1,2, Satoshi TAKAHASHI2, Osamu ABE2, Yoshihiro ASAHARA2, Noboru FURUKAWA3, Hidekazu YOSHIDA2, Nagayoshi KATSUTA4, Yoshiaki AITA5 (1. Natural History Museum and Institute, Chiba, 2. Nagoya University, 3. Chiba University, 4. Gifu University, 5. Utsunomiya University)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[T7-O-6]Reconstructing the growth history of white and pink precious coral skeletons from the Ogasawara region using geochemical analysis

*Tomoyo OKUMURA1, Fumiya Hirakawa1, Ma. Marivic Capitle Pepino1, Takuya Matsuzaki1, Minoru Ikehara1, Tatsuya Kawai2, Tsuyoshi Ishikawa3,1 (1. Kochi University, 2. Marine Works Japan, 3. JAMSTEC)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)entry

[T7-O-7]Sedimentological and geochemical characteristics and formation process of fossil travertine distributed in Shirahone hot spring, Nagano Prefecture

*Ai KIYOHARA1, Akihiro KANO2, Hirokazu KATO3, Hitoshi TOMARU4, Fumito SHIRAISHI1 (1. Hiroshima University, 2. University of Tokyo, 3. Teikyo University of Science, 4. Chiba University)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[T7-O-8]The paleo water temperature of early Pleistocene recorded in carbonate clumped isotopes of fish otolith fossils from the Kakegawa Group and an implication of brackish water environment

*Hirokazu Kato1, Ryoko Senda2, Akihiro Kano3 (1. Faculty of Education and Human Sciences, Teikyo University of Science, 2. Graduate School of Social and Cultural Studies, Kyushu University, 3. Graduate School of Science, The University of Tokyo)
5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[T7-O-9]Sedimentary processes of the Upper Pleistocene reef-complex deposits in Kikai-jima, Kagoshima Prefecture, Japan.

*Hiroki MATSUDA1, Keiichi SASAKI2, Kazuki TOKUSHIGE3, Yuuka KUMAGAE4, Masahide HAYASHIDA4 (1. Fukada Geological Institute, 2. Kanazawa Gakuin University, 3. Graduate School of Science, Kumamoto University, 4. Faculty of Science, Kumamoto University)
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