Japan Geoscience Union Meeting 2023

Junichiro Kuroda

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Convener, Chairperson

Fri. May 26, 2023 9:00 AM - 10:15 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-GL Geology

[S-GL22] Frontier research on chronostratigraphic unit boundaries

convener:Hiroyuki Hoshi(Department of Earth Sciences, Aichi University of Education), Reishi Takashima(Tohoku University Museum, Tohoku University), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Makoto Okada(Department of Earth Sciences, College of Science, Ibaraki University), Chairperson:Hiroyuki Hoshi(Department of Earth Sciences, Aichi University of Education), Reishi Takashima(Tohoku University Museum, Tohoku University), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Makoto Okada(Department of Earth Sciences, College of Science, Ibaraki University), Tetsuji Onoue(Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University)

Fri. May 26, 2023 10:45 AM - 12:00 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-GL Geology

[S-GL22] Frontier research on chronostratigraphic unit boundaries

convener:Hiroyuki Hoshi(Department of Earth Sciences, Aichi University of Education), Reishi Takashima(Tohoku University Museum, Tohoku University), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Makoto Okada(Department of Earth Sciences, College of Science, Ibaraki University), Chairperson:Hiroyuki Hoshi(Department of Earth Sciences, Aichi University of Education), Reishi Takashima(Tohoku University Museum, Tohoku University), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Makoto Okada(Department of Earth Sciences, College of Science, Ibaraki University), Tetsuji Onoue(Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University)

Fri. May 26, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (4) (Online Poster)

  • [J] Online Poster
  • | S (Solid Earth Sciences )
  • | S-GL Geology

[S-GL22] Frontier research on chronostratigraphic unit boundaries

convener:Hiroyuki Hoshi(Department of Earth Sciences, Aichi University of Education), Reishi Takashima(Tohoku University Museum, Tohoku University), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Makoto Okada(Department of Earth Sciences, College of Science, Ibaraki University)

Wed. May 24, 2023 3:30 PM - 4:45 PM Exhibition Hall Special Setting (2) (Exhibition Hall 8, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Drilling Earth Science

convener:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Chairperson:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

Thu. May 25, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (24) (Online Poster)

  • [J] Online Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Drilling Earth Science

convener:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

Speaker, Author, Co-Author

Wed. May 24, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (14) (Online Poster)

  • [J] Online Poster
  • | S (Solid Earth Sciences )
  • | S-EM Earth's Electromagnetism

[S-EM15] Geomagnetism and paleomagnetism

Fri. May 26, 2023 9:00 AM - 10:15 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-GL Geology

[S-GL22] Frontier research on chronostratigraphic unit boundaries

9:45 AM - 10:00 AM

[SGL22-04] Integrated stratigraphy across the Cretaceous/Paleocene boundary in the Shiranuka Hill, Hokkaido, Japan.

*Reishi Takashima1, Keiichi Hayashi2, Junichiro Kuroda4, Hayu Ota4, Hiroyuki Hoshi3, Yuji Orihashi5, Hiroshi Nishi6, Toshiro Yamanaka8, Ken Sawada7, Kazuo Hayashi7, Masashi A. Ikeda7, Kohei Hosogaya1, Yoshihiro Asahara9 (1.Tohoku University, 2.Hokkaido Research Organization, 3.Aichi University of Education, 4.The University of Tokyo, 5.Hirosaki University, 6.Fukui Prefectural University, 7.Hokkaido University, 8.Tokyo University of Marine Science and Tehnology, 9.Nagoya University)

10:00 AM - 10:15 AM

[SGL22-05] Osmium isotope stratigraphy of the Cretaceous-Paleogene boundary in the Nemuro Group

*Hayu Ota1, Junichiro Kuroda1, Akira Ishikawa2, Katsuhiko Suzuki3, Reishi Takashima4 (1.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Department of Earth and Planetary Sciences, Tokyo institute of Technology, 3.Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 4.Tohoku University Museum, Tohoku University)

Fri. May 26, 2023 10:45 AM - 12:00 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-GL Geology

[S-GL22] Frontier research on chronostratigraphic unit boundaries

11:00 AM - 11:15 AM

[SGL22-07] Construction of a high-resolution and correlatable age model of the Miocene diatomaceous sediment in the Japan Sea

*Jumpei Yoshioka1,2, Junichiro Kuroda2, Kenji Matsuzaki2, Sota Niki3, Takafumi Hirata3, Takeru Kochi1,2, Nanako O. Ogawa4, Naohiko Ohkouchi4 (1.Department of Earth and Planetary Science, the University of Tokyo, 2.Atmosphere and Ocean Research Institute, the University of Tokyo, 3.Geochemical Research Center, the University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology)

Fri. May 26, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (4) (Online Poster)

  • [J] Online Poster
  • | S (Solid Earth Sciences )
  • | S-GL Geology

[S-GL22] Frontier research on chronostratigraphic unit boundaries

1:45 PM - 3:15 PM

[SGL22-P07] Stratigraphy around the Cretaceous-Paleogene boundary in sediment cores from the Lord Howe Rise, Southwest Pacific

*Junichiro Kuroda1,5, Kyoko Hagino2, Yoichi Usui3, Paul R Bown4, Kan-Hsi Hsiung5, Saburo Sakai5, Masafumi MURAYAMA2, Takuto Ando6 (1.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Center for Advanced Marine Core Research, Kochi University, 3.Kanazawa University, 4.University College London, 5.Japan Agency for Marine-Earth Science and Technology, 6.Akita University)

Thu. May 25, 2023 1:45 PM - 3:00 PM 303 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG57] Catastrophic eruptions: Mechanism and impact of eruptions

2:45 PM - 3:00 PM

[SCG57-05] Massive volcanism and its impact on the global environment through Earth History

★Invited Papers

*Junichiro Kuroda1,2, Hironao Matsumoto2, Yuki Ota3, Yasuto Watanabe4,5, Naohiko Ohkouchi2 (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Japan Agency for Marine-Earth and Technology (JAMSTEC), 3.National Institute of Advanced Industrial Science and Technology (AIST), 4.Graduate School of Science, the University of Tokyo, 5.Meteorological Research Institute)

Tue. May 23, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (18) (Online Poster)

  • [E] Online Poster
  • | B (Biogeosciences )
  • | B-BG Biogeosciences & Geosphere-Biosphere Interactions

[B-BG01] Earth and Planetary Science Frontiers for Life and Global Environment

Fri. May 26, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (20) (Online Poster)

  • [J] Online Poster
  • | B (Biogeosciences )
  • | B-CG Complex & General

[B-CG07] Decoding the history of Earth: From Hadean to the present

10:45 AM - 12:15 PM

[BCG07-P09] The origin of the early Aptian (~120Ma) volcanic ash deposited at the Mid-Pacific Mountains: Implication for the volcanic history of Ontong Java Nui

★Invited Papers

*Hironao Matsumoto1, Kosuke T Goto2, Gen Shimoda2, Yasuto Watanabe3, Kotaro Shirai4, Maria Luisa Tejada1, Takashi Sano5, Junichiro Kuroda4, Katsuhiko Suzuki1 (1.Japan Agency for Marine-Earth Science and Technology, 2.National Institute of Advanced Industrial Science and Technology, 3.Department of Earth and Planetary Science, The University of Tokyo, 4.Atmosphere and Ocean Research Institute, The University of Tokyo, 5.Department of Geology and Paleontology, National Museum of Nature and Science)

Wed. May 24, 2023 3:30 PM - 4:45 PM Exhibition Hall Special Setting (2) (Exhibition Hall 8, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Drilling Earth Science

4:00 PM - 4:15 PM

[MGI28-03] IODP Expedition 369: Osmium isotope stratigraphy and platinum group elements composition at the Cretaceous-Paleogene boundary on the Mentelle Basin off the southwest coast of Australia

*Hayu Ota1, Junichiro Kuroda1, Maria Luisa Tejada2, Akira Ishikawa3, Katsuhiko Suzuki2, Naohiko Ohkouchi2 (1.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth and Planetary Sciences, Tokyo institute of Technology)

Thu. May 25, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (24) (Online Poster)

  • [J] Online Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Drilling Earth Science

Fri. May 26, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (24) (Online Poster)

  • [J] Online Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-TT Technology & Techniques

[M-TT38] Frontiers in Geochemistry