[S-GL18] Geologic structure and tectonic history of East Asia and Japanese Islands

Thu. May 30, 2024 1:45 PM - 3:00 PM 202 (International Conference Hall, Makuhari Messe)

convener:Toshiki Haji(Geological Survey of Japan, AIST), Makoto Otsubo(Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology), Chairperson:Toshiki Haji(Geological Survey of Japan, AIST)

The main aim of this session is to discuss geologic structure and tectonic history of East Asia, especially of Japanese Islands, on the basis of the recent results of geology and other earth sciences.

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1:45 PM - 2:00 PM

[SGL18-01] Tectonic significance of early Paleogene collision complex in the Hidaka belt, central Hokkaido, NE Asia: A review

*Futoshi Nanayama¹ (1.Museum of Natural and Environmental History, Shizuoka)

2:00 PM - 2:15 PM

[SGL18-02] Provenence of the Lower to Middle Miocene Chikubetsu Formation in the Shumarinai-Soeushinai area, Horokanai town, Central Hokkaido

*Aren Kanazawa¹, Kohki Yoshida² (1.Division of Sciences, Graduate School of Science and technology, Shinshu University, 2.Department of Geology, Faculty of Science, Shinshu University)

2:15 PM - 2:30 PM

[SGL18-03] U-Pb dating of detrital zircons from the Yezo Group in Sakhalin: Northern extension of the Late Cretaceous fore-arc basin of Japan

*Tomohiko Sato¹, Yukio Isozaki², Yukiyasu Tsutsumi ³, Yasunari Shigeta³, Kazuto Kodama⁴, Takashi Hasegawa⁵ (1.Center for Fundamental Education, Okayama University of Science, 2.Department of Earth Science and Astronomy, The University of Tokyo, 3.Department of Geology and Paleontology, National Museum of Nature and Science, 4.Research Center for Knowledge Science in Cultural Heritage, Doshisha University, 5.School of Geosciences and Civil Engineering, Institute of Science and Engineering, Kanazawa University )

2:30 PM - 2:45 PM

[SGL18-04] Geotectonic link of the Hida belt to the mainland Far East Asia: Cretaceous world on the continent-side of the Yamato tectonic line

*Yukio Isozaki¹, Yusuke Sawaki¹, Hideki Iwano^2,3, Takafumi Hirata² (1.Department of Earth Science and Astronomy, Multi-disciplinary Sciences - General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, 2.University of Tokyo, 3.Kyoto Fission Track Co. Ltd)

Discussion (2:45 PM - 3:00 PM)

Session information