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

[3oral501-11]T7. Latest Studies in Sedimentary Geology

Tue. Sep 16, 2025 8:45 AM - 12:00 PM JST
Tue. Sep 16, 2025 11:45 PM - 3:00 AM UTC
oral room 5(E205)
Chiar:Natsuko ADACHI(Osaka Metropolitan University), Taiki SAWADA(JAPEX)
8:45 AM - 9:00 AM JST(11:45 PM - 12:00 AM UTC)

[T7-O-10]Attempts to elucidate the process of peloid formation by microorganisms

*Fumito SHIRAISHI1, Hannes STENGEL1, Hideaki TANAKA1, Katsunori YANAGAWA2, Naotaka TOMIOKA3, Yoshio TAKAHASHI4 (1. Hiroshima University, 2. The University of Kitakyushu, 3. JAMSTEC, 4. The University of Tokyo)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)entryECS

[T7-O-11]Formation factors of the Upper Jurassic–Lower Cretaceous Torinosu-type Limestone

*Taketo Kito1, Ryoichi Nakada2, Akihiro Kano3, Fumito Shiraishi1 (1. Hiroshima University, 2. JAMSETC, 3. The University of Tokyo)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)entryECS

[T7-O-12]Sedimentological and geochemical characteristics of Mesoproterozoic Chitrakoot Formation, lower Vindhyan Supergroup, central india: Implication on paleoenvironment

*Abhishek Kumar Pandey1, Partha Pratim Chakraborty2, Ryoichi Nakada3, Akihiro Kano4, Fumito Shiraishi1 (1. Hiroshima University, 2. Delhi University, 3. JAMSTEC, 4. Tokyo University)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[T7-O-13]Carbonate and iron deposits in sedimentary sequence during Sturtian glaciation

Shun Noda1, Shiori Yabe1, *Akihiro Kano1 (1. The University of Tokyo)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[3oral501-11-5add]Break

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

[T7-O-14][Invited]Evaluation of Natural Hydrogen Potential in Kyushu

*Yasuhiro YAMADA1,2 (1. Kyushu Univ., 2. Royal Holloway Univ. of London)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[T7-O-15]Heterogeneity in porosity and permeability of the Lower Cretaceous tidal flat carbonates, driven by the interplay of paleoclimate changes, sedimentary and diagenetic processes, and oil field formation

*Kazuyuki Yamamoto1, Hiroki MONTANI1, Jawaher ALSABEAI2, Suad ALSHAMSI2, Goitse MOSEKIEMANG3, Hideko TAKAYANAGI3, Yasufumi IRYU3 (1. INPEX Corporation, 2. ADNOC Offshore, 3. Tohoku University)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)entryECS

[T7-O-16]Hydrocarbon resource potential of Kuji Group, Iwate, Japan evaluated by sedimentological and organic geochemical analyses

*Shogen YAMAGISHI1, Takuto ANDO1, Shun CHIYONOBU1 (1. Graduate School of International Resource Sciences, Akita University, Japan)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)ECS

[T7-O-17]Sedimentological processes of organic matter in the Bengal Fan revealed by chemosedimentary sequence

*Yusuke KODAMA1, Takuto ANDO2, Ken SAWADA1,3 (1. Department of Natural History Sciences, Graduate school of Science, Hokkaido University, 2. Department of Earth Resource Science, Faculty of International Resource Sciences, Akita University, 3. Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)entry

[T7-O-18]Sedimentological investigation of the organic-rich turbidite sequences of the Miocene Kawabata Formation in the Horomuigawa River, Hokkaido, Japan

*Haruto Yamada1, Ken Sawada2 (1. Graduate School of science, Hokkaido University, 2. Faculty of science, Hokkaido University)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[T7-O-19]Reconstruction of depositional environment by biomarker analysis during the Coniacian-Santonian in the Haborogawa Formation, Yezo Group, Hokkaido

*Atsushi TAKAHASHI1, Hideto Nakamura2, Masashi A. Ikeda3, Takuto Ando4, Ken Sawada3, Reishi Takashima5, Hiroshi Nishi2 (1. Graduate school of science, Hokkaido University, 2. Faculty of Dinosaur Paleontology, Fukui Prefectural University, 3. Faculty of Science, Hokkaido University, 4. Graduate School of International Resource Sciences Faculty of International Resource Sciences, Akita University, 5. The Tohoku University Museum)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[T7-O-20]Paleoenvironmental reconstruction using biomarkers in sedimentary rocks deposited across the Devonian-Carboniferous boundary in northeastern Vietnam

*Risa SHIGI1, Ken SAWADA1,2, Reishi TAKASHIMA3, Toshifumi KOMATSU4 (1. Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2. Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 3. The Center for Academic Resources and Archives, The Tohoku University Museum, Tohoku University, 4. Faculty of Advanced Science and Technology, Division of Natural Science, Kumamoto University)
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