Session Oral

T5.［Topic Session］Glocal stratigraphy and geochronology

[2oral201-12] T5.［Topic Session］Glocal stratigraphy and geochronology

Mon. Sep 5, 2022 8:45 AM - 12:15 PM oral room 2 (Build. 14, 101)

Chiar:Reishi Takashima, Yuji Orihashi(Hirosaki Univ.), Hiroyuki HOSHI

+Add all to schedule

8:45 AM - 9:15 AM

[T5-O-1] （Invited）Ratification of the Chibanian GSSP and its Chronostratigraphical significance

【ハイライト講演】

*Makoto Okada¹ (1. Ibaraki University)

世話人よりハイライトの紹介：チバニアンGSSPの批准に至る過程について解説し，上総層群だけでなく，房総半島の後期鮮新世以降に形成された「陸化海成層」に共通してみられる年代層序学的ポテンシャルを紹介する．日本の地層が有する国際的重要性と利点についての理解が深まることが期待される．※ハイライトとは

9:15 AM - 9:45 AM

[T5-O-2] （Invited）Paleoseawater osmium isotopic record and its implication for the paleoenvironment

【ハイライト講演】

*Hironao Matsumoto¹ (1. Japan Agency for Marine-Earth Science and Technology)

世話人よりハイライトの紹介：オスミウム同位体比は，大規模火山活動と海洋無酸素事変の詳細なリンケージを層序学的に実証した新しい化学層序の手法である．本講演ではオスミウム同位体比を用いた古環境変動や層序対比の研究手法・応用例について解説する．※ハイライトとは

9:45 AM - 10:00 AM

[T5-O-3] Is Beppu Bay sediment annual varve: Investigation of the lamination process based on multi-year observations of surface sediment and diatom assemblage.

*Yoshiaki Suzuki¹, Michinobu Kuwae², Toshiki Matsuura², Kazuyoshi Moriya³ (1. GSJ, AIST, 2. Ehime Univ., 3. Waseda Univ.)

10:00 AM - 10:15 AM

[T5-O-4] Reexamination of time-stratigraphic situation for the Neogene felsic volcanics, distributed in western Shimokita Peninsula, Aomori Prefecture : A proposal of “Hotokegaura Caldera”

*Shu Moriai¹, Yuji Orihashi¹, Minoru Sasaki¹, Shogo Numata², Sota Niki³, Hisashi Asanuma⁴, Takafumi Hirata³ (1. Hirosaki Univ., 2. Graduate School of Arts and Science, Univ. Tokyo, 3. Geochemical Research Center, Univ. Tokyo, 4. Atmosphere and Ocean Research Institute, Univ. Tokyo)

10:15 AM - 10:30 AM

[T5-O-5] Zircon U–Pb age from volcanic rocks of the Miocene Moriya Formation in central Nagano Prefecture, central Japan, and its stratigraphic implications

*Hiroyuki Hoshi¹, Hideki Iwano^2,3, Tohru Danhara² (1. Aichi University of Education, 2. Kyoto Fission-Track Co., Ltd, 3. Geochemical Research Center, The University of Tokyo)

10:30 AM - 10:45 AM

[T5-O-6] Application of apatite trace element compositions of tuffs for the studies of stratigraphy and culture geology

*Reishi Takashima¹ (1. Tohoku University)

10:45 AM - 11:00 AM

[T5-O-7] Apatite U–Pb dating of Dinosaur teeth in the Gobi Desert, Mongolia: the first attempt

Myu TANABE¹, Kentaro CHIBA², *Kazumas AOKI¹ (1. Okayama University of Science, Center for Fundamental Education, 2. Okayama University of Science, Faculty of Biosphere-Geosphere Science)

11:00 AM - 11:15 AM

[T5-O-8] Carbon isotope stratigraphy and radiometric ages of the Upper Jurassic to Lower Cretaceous (Shishiori and Oshima groups) in Kesennuma-Oshima, Miyagi, Japan

*Takumi Otsubo¹, Reishi Takashima², Azumi Kuroyanagi², Toshiro Yamanaka³ (1. Tohoku University, 2. The Tohoku University Museum, 3. Tokyo University of Marine Science and Technology)

11:15 AM - 11:30 AM

[T5-O-9] Carbon-isotope stratigraphy and U-Pb radiometric ages of the Upper Jurassic to Lower Cretaceous Soma Nakamura Group, Fukushima, Japan

*Taiga TOMARU¹, Reishi TAKASHIMA², Hiroshi NISHI³, Azumi KUROYANAGI², Toshiro YAMANAKA⁴, Yuji ORIHASHI⁵, Yoshihiro ASAHARA⁶ (1. Institute of Geology and Paleontology ,Graduate School of Science, Tohoku University, 2. The Center for Academic Resources and Archives Tohoku University Museum , 3. Institute of Dinosaur Research , Fukui Prefectural University, 4. School of Marine Resource and Environment, Tokyo University of Marine Science and Technology, 5. Global Environment and Disaster Prevention Sciences, Graduate School of Science and Technology, Hirosaki University, 6. Department of Earth and Environmental Sciences, Graduate School of Environmental Studies, Nagoya University)

11:30 AM - 11:45 AM

[T5-O-10] Planktonic foraminiferal biostratigraphy and assemblages of middle Cretaceous exposed in the Vocontian Basin, southeastern France

*Issei Murakami¹, Azumi Kuroyanagi¹, Reishi Takashima¹, Hiroshi Nishi² (1. Tohoku university, 2. Fukui prefectural University)

11:45 AM - 12:00 PM

[T5-O-11] Lower Cretaceous (Aptian) planktic foraminiferal stratigraphy and assemblage of the Vocontian Basin sequence, southeastern France

*Hiromu TAKASAWA¹, Azumi KUROYANAGI², Reishi TAKASHIMA², Hiroshi NISHI³, Bradley B Sageman⁴ (1. JOGMEC, 2. Tohoku University Museum, 3. Institute of Dinosaur Research Fukui Prefectural University, 4. Northwestern University)

12:00 PM - 12:15 PM

[T5-O-12] Shallow marine fossil diatom assemblages over the last million years in the Nishimikawa Plain, Aichi Prefecture, central Japan

*Tomonori Naya¹, Tomoya Abe¹, Kiyohide Mizuno¹ (1. AIST, GSJ)

Session information

[2oral201-12] T5.［Topic Session］Glocal stratigraphy and geochronology

[T5-O-1] （Invited）Ratification of the Chibanian GSSP and its Chronostratigraphical significance

【ハイライト講演】

[T5-O-2] （Invited）Paleoseawater osmium isotopic record and its implication for the paleoenvironment

【ハイライト講演】

[T5-O-3] Is Beppu Bay sediment annual varve: Investigation of the lamination process based on multi-year observations of surface sediment and diatom assemblage.

[T5-O-4] Reexamination of time-stratigraphic situation for the Neogene felsic volcanics, distributed in western Shimokita Peninsula, Aomori Prefecture : A proposal of “Hotokegaura Caldera”

[T5-O-5] Zircon U–Pb age from volcanic rocks of the Miocene Moriya Formation in central Nagano Prefecture, central Japan, and its stratigraphic implications

[T5-O-6] Application of apatite trace element compositions of tuffs for the studies of stratigraphy and culture geology

[T5-O-7] Apatite U–Pb dating of Dinosaur teeth in the Gobi Desert, Mongolia: the first attempt

[T5-O-8] Carbon isotope stratigraphy and radiometric ages of the Upper Jurassic to Lower Cretaceous (Shishiori and Oshima groups) in Kesennuma-Oshima, Miyagi, Japan

[T5-O-9] Carbon-isotope stratigraphy and U-Pb radiometric ages of the Upper Jurassic to Lower Cretaceous Soma Nakamura Group, Fukushima, Japan

[T5-O-10] Planktonic foraminiferal biostratigraphy and assemblages of middle Cretaceous exposed in the Vocontian Basin, southeastern France

[T5-O-11] Lower Cretaceous (Aptian) planktic foraminiferal stratigraphy and assemblage of the Vocontian Basin sequence, southeastern France

[T5-O-12] Shallow marine fossil diatom assemblages over the last million years in the Nishimikawa Plain, Aichi Prefecture, central Japan

Authentication