Session Oral

T4［Topic Session］Paleogeographic and geotectonic link between Mesozoic Japan and Far East Asia: a new view for the post-20st century

[1oral201-07] T4［Topic Session］Paleogeographic and geotectonic link between Mesozoic Japan and Far East Asia: a new view for the post-20st century

Sun. Sep 17, 2023 10:00 AM - 12:15 PM oral room 2 (4-21, Yoshida-South Campus Bldg. No 4)

Chiar:Yusuke Sawaki, Yukio ISOZAKI, Tomohiko Sato

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10:00 AM - 10:15 AM

[T4-O-1] (entry) Metacarbonate rocks of the Hida Belt, Japan

★「日本地質学会学生優秀発表賞」受賞★

*Hironobu HARADA¹, Tatsuki TSUJIMORI¹ (1. Tohoku University)

10:15 AM - 10:30 AM

[T4-O-2] Review on the “Hida belt” study: latest progress and future perspective

*Keitaro KUNUGIZA¹, Yukio ISOZAKI² (1. Study center of Toyama, Open University of Japan, 2. University of Tokyo)

10:30 AM - 10:45 AM

[T4-O-3] Correaltion between the Hida belt and the Laoelin-Grodekov belt (Russia/China/N. Korea border) with implication to the Yamato tectonic line: common granitoid ages, plant fossils, and age spectra of detrital zircon

*Yukio ISOZAKI¹, Yukiyasu TSUTSUMI², Tomohito NAKANO¹, Keitaro KUNUGIZA³ (1. University of Tokyo, 2. National Museum of Nature and Science Japan, 3. Study Center of Toyama, Open University of Japan)

10:45 AM - 11:15 AM

[T4-O-4] [Invited] New views on Paleozoic and Mesozoic paleoenvironments and vegetational changes of Japan from Paleopalynology

【ハイライト講演】

*Julien LEGRAND¹ (1. Shizuoka University)

世話人よりハイライトの紹介：日本列島形成史の復元には，古生代・中生代地層の研究が不可欠だが，一般に海棲動物化石を欠く場合，堆積年代決定は難しい．一方，泥岩中の胞子・花粉化石の分析が実際には極めて有効だが，これまで研究例は極めて少なかった．気鋭の古植物学者であるルグラン博士は，いまや花粉研究における「牧野富太郎」のような存在である．彼がこれまでに日本各地から解明した成果の最新のまとめを聞く機会を逃してはならない．　※ハイライトとは

11:15 AM - 11:30 AM

[T4-O-5] Zircon U-Pb age and metamorphosed welded tuff in Daifukuji, northwest of the Noto Peninsula, central Japan: Its relationship with the Younger Hida Granites and the Lower Jurassic Kuruma Group.

*Mayuko Fukuyama¹, Masatsugu Ogasawara² (1. Akita University, 2. Zipangu Geoscience Laboratory)

11:30 AM - 11:45 AM

[T4-O-6] Detrital zircon dating of the Cretaceous Sasayama Group for re-examining stratigraphy of intra-arc strata in SW Japan: Correlation with the Kanmon Group

*Yukiyasu Tsutsumi¹, Ryo Hasegawa², Yukio Isozaki³ (1. Department of Geology and Paleontology, National Museum of Nature and Science, 2. FUJIFILM Business Innovation Corp., 3. Graduate school of Arts and Sciences, University of Tokyo)

11:45 AM - 12:00 PM

[T4-O-7] The discrimination diagram for detrital zircons, based on Japanese Miocene granitoids

*Yusuke Sawaki¹, Hisashi ASANUMA², Shuhei SAKATA¹, Takeshi OHNO³ (1. The University of Tokyo, 2. Kyoto University, 3. Gakushuin University)

discussion (12:00 PM - 12:15 PM)

Session information