The 131st Annual Meeting of the Geological Society of Japan
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Session OralT13 ［Topic Session］Latest Studies in Sedimentary Geology

[2oral512-15]T13 ［Topic Session］Latest Studies in Sedimentary Geology

Mon. Sep 9, 2024 3:00 PM - 4:15 PM JST
Mon. Sep 9, 2024 6:00 AM - 7:15 AM UTC
oral room 5(General Education_Section1-132)
Chiar:Aki SAKUMA(Department of Earth and Planetary Science, School of Sciene, The University of Tokyo)
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3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[T13-O-22]Middle Cretaceous humid climate condition and depositional and early diagenetic processes recorded in shallow-marine carbonate platform sediments in the southern Arabian Gulf region

*Kazuyuki Yamamoto1, Hideko Takayanagi2, Mariam Aljneibi3, Zahra Al Farhan3, Hiroshi Kurita5, Tokiyuki Sato4, Yoshihiro Tsuji1, Yasufumi Iryu2 (1. INPEX, 2. Tohoku Univ., 3. ADNOC Offshore, 4. Akita Univ., 5. Niigata Univ.)
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3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)ECSentry

[T13-O-23]Microbialite features of the Chaomidian Formation (Furongian) in the Gangcheng area of Jinan, Shandong Province

*Munetaka Maeda1, Yoichi Ezaki1, Natsuko Adachi1, Liu Jianbo2, Yan Zhen3 (1. Osaka Metropolitan University, Graduate School of Science, , 2. Peking University, School of Earth and Space Sciences, 3. Chinese Academy of Geological Sciences)
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3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[T13-O-24]Characteristics and origins of fenestral fabrics in oncoids from the Bayan Gol Formation (Cambrian Terreneuvian), western Mongolia

*Natsuko ADACHI1, Aoi Uemura1, Yoichi Ezaki1, Jianbo Liu2, Mahito Watabe3, Gundsambuu Altanshagai4, Batkhuyag Enkhbaatar4, Dorj Dorjnamjaa4 (1. Osaka Metropolitan Univ., 2. Peking Univ., 3. Waseda Univ., 4. Inst. of Paleontol., Mongolian Acad. of Sci.)
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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)Highlight

[T13-O-25]Resurgence and demise of stromatoporoids as reef-builders on a Carboniferous Panthalassan seamount

*Yoichi Ezaki1, Mitsuru Masui2, Koichi Nagai3, Gregory E. Webb4, Koki Shimizu2, Shota Sugama2, Natsuko Adachi1, Tetsuo Sugiyama5 (1. Osaka Metropolitan University, Graduate School of Science, 2. Osaka City University, Graduate School of Science, 3. University of the Ryukyus, Faculty of Science, 4. The University of Queensland, School of the Environment, 5. Fukuoka University, Faculty of Science)
【ハイライト講演】層孔虫はシルル紀とデボン紀で生物礁の主要な形成者であり，後期デボン紀の絶滅事変で大ダメージを受けたが，その後の石炭紀ではその存在や造礁作用についてほとんど理解されていない．本講演では，石炭紀に形成された秋吉石灰岩層群において，層孔虫が生物礁を形成し，その後別の造礁性生物にとって代わられたことを明らかにしている．孤立した海洋島が，層孔虫にとっての一時的な“refugia”であった可能性がある．（ハイライト講演とは．．．）
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4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[2oral512-15-5add]Break

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