[B-CG04] Decoding the history of Earth: From Hadean to the present

Fri. Jun 4, 2021 9:00 AM - 10:30 AM Ch.26 (Zoom Room 26)

convener:Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Yasuhiro Kato(Department of Systems Innovation, Graduate School of Engineering, University of Tokyo), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Kentaro Nakamura(Department of Systems Innovation, School of Engineering, University of Tokyo), Chairperson:Yoshida Satoshi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

The latest results of Earth's evolution and geological processes through 4.6 billion years from Hadean to Modern, based on various approaches including fieldworks, chemical analyses, experiments and computer simulation, will be presented. In this session, we aim to discuss and understand causal relationships and interplay among the evolution of Earth's deep interior, changes in the surface environments, and development and evolution of life. Wide-ranging topics are accepted.

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9:00 AM - 9:15 AM

[BCG04-01] Progress of the end-Permian oceanic anoxia in the pelagic Panthalassa

*Satoshi Takahashi¹, Rie Hori², Satoshi Yamakita³, Yoshiaki Aita⁴, Atsushi Takemura⁵, Minoru Ikehara⁶, Yujin Xiong⁷, Simon W. Poulton⁷, Paul B. Wignall⁷, TAKAAKI ITAI¹, Hamish J. Campbell⁸, Bernard K. Spörli⁹ (1.Department of Earth and Planetary Science, University of Tokyo, 2.Department of Earth Sciences, Graduate School ofScience and Engineering, Ehime University , 3.Department of Earth Sciences, Faculty of Culture, Miyazaki University, 4.Department ofGeology, Faculty ofAgriculture, Utsunomiya University, 5.Geosciences Institute, Hyogo University ofTeacher Education, 6.Center for Advanced Marine Core Research, Kochi University, 7.School of Earth and Environment, University of Leeds, 8.GNS Science, 9.School of Environment, The University of Auckland)

9:15 AM - 9:30 AM

[BCG04-02] Discovery of the Miocene ocean impact event

*Tatsuo Nozaki^1,2,3,4, Junichiro Ohta^2,4, Takaaki Noguchi⁵, Honami Sato⁶, Akira Ishikawa^7,1, Yutaro Takaya^8,1,4, Jun-Ichi Kimura⁹, Qing Chang⁹, Kazuhiko Shimada¹⁰, Jun-ichiro Ishibashi¹⁰, Kazutaka Yasukawa^2,4, Katsunori Kimoto¹¹, Koichi Iijima¹, Yasuhiro Kato^2,4,1 (1.JAMSTEC/SRRC, 2.Univ. of Tokyo, 3.Kobe Univ., 4.Chiba Tech, 5.Kyushu Univ., 6.Univ. of Padova, 7.Tokyo Tech, 8.Waseda Univ., 9.JAMSTEC/VERC, 10.Kyushu Univ, 11.JAMSTEC/ESS)

9:30 AM - 9:45 AM

[BCG04-03] Geochemistry of the Kawame ferromanganese deposit in the Hayachine Belt: Implications for the oceanic environment in the Late Devonian

*Yusuke Kuwahara¹, Koichiro Fujinaga^2,3, Tatsuo Nozaki^4,3,5,2, Junichiro Ohta^3,2, Kazutaka Yasukawa^3,1,2, Kentaro Nakamura¹, Yasuhiro Kato^3,1,2,4 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, 4.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, 5.Department of Planetology, Graduate School of Science, Kobe University)

9:45 AM - 10:00 AM

[BCG04-04] Paleovegetation changes reconstructed by terrestrial plant biomarker analyses in the sediments deposited across the Cenomanian/Turonian boundary in the Great Valley Sequence, northern California, USA

*Masashi A. Ikeda¹, Ken Sawada², Reishi Takashima³, Hiroshi Nishi⁴ (1.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.Institute of Dinosaur Research, Fukui Prefectural University)

10:00 AM - 10:15 AM

[BCG04-05] Constraint on the Location of the Australasian Tektite Event based on the Thickness Distribution and Gravel Composition of the Ejecta Deposits across the Eastern Indochina

*Toshihiro Tada¹, Ryuji Tada^1,3,2, Paul A Carling⁴, Wickanet Songtham⁵, Praphas Chansom⁵, Thuyên Lê Xuân⁶, Toshihiro Kogure², Chang Yu², Eiichi Tajika² (1.Institute for Geo-Cosmology, Chiba Institute of Technology, 2.Department of Earth and Planetary Science, School of Science, The University of Tokyo, 3.Research Center for Earth System Science, Yunnan University, 4.School of Geography and Environmental Sciences, University of Southampton, 5.Northeastern Research Institute of Petrified Wood & Mineral Resources, Nakhon Ratchasima Rajabhat University, 6.Ho Chi Minh City University of Science)

10:15 AM - 10:30 AM

[BCG04-06] Paleoproterozoic magmatic flare-up of the Ubendian Belt, SW Tanzania: A crustal growth history events before the amalgamation of the Central African Shield

*Ariuntsetseg Ganbat¹, Tatsuki Tsujimori^1,2, Nelson Boniface⁴, Daniel Pastor-Galan^1,2,3, Shogo Aoki^5,6, Kazumasa Aoki⁶ (1.Graduate School of Science, Tohoku University, 2.Center for Northeast Asian Studies, Tohoku University, 3.Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 4.Department of Geology, University of Dar es Salaam, 5.Graduate School of International Resource Sciences, Akita University, 6.Center for Fundamental Education, Okayama University of Science)

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