Japan Geoscience Union Meeting 2023

Akira Ishikawa

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Convener, Chairperson

Thu. May 25, 2023 3:30 PM - 4:45 PM 202 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-GC Geochemistry

[S-GC38] Solid Earth Geochemistry, Cosmochemistry

convener:Gen Shimoda(Geological Survey of Japan, AIST), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Katsuyuki Yamashita(Graduate School of Natural Science and Technology, Okayama University), Akira Ishikawa(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), Chairperson:Gen Shimoda(Geological Survey of Japan, AIST), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Katsuyuki Yamashita(Graduate School of Natural Science and Technology, Okayama University), Akira Ishikawa(Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

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

  • [J] Online Poster
  • | S (Solid Earth Sciences )
  • | S-GC Geochemistry

[S-GC38] Solid Earth Geochemistry, Cosmochemistry

convener:Gen Shimoda(Geological Survey of Japan, AIST), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Katsuyuki Yamashita(Graduate School of Natural Science and Technology, Okayama University), Akira Ishikawa(Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

Speaker, Author, Co-Author

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

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)

Wed. May 24, 2023 10:45 AM - 12:00 PM 303 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-VC Volcanology

[S-VC34] Volcanoes in the Sea

Tue. May 23, 2023 3:30 PM - 5:00 PM 303 (International Conference Hall, Makuhari Messe)

  • [E] Oral
  • | S (Solid Earth Sciences )
  • | S-GC Geochemistry

[S-GC37] Volatiles in the Earth - from Surface to Deep Mantle

Thu. May 25, 2023 3:30 PM - 4:45 PM 202 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-GC Geochemistry

[S-GC38] Solid Earth Geochemistry, Cosmochemistry

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

  • [J] Online Poster
  • | S (Solid Earth Sciences )
  • | S-GC Geochemistry

[S-GC38] Solid Earth Geochemistry, Cosmochemistry

Mon. May 22, 2023 10:45 AM - 12:00 PM 202 (International Conference Hall, Makuhari Messe)

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

[S-CG63] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

11:45 AM - 12:00 PM

[SCG63-10] Origin of ultra-refractory mantle domain with ancient osmium isotope signature in the Pacific lithosphere constrained by mantle xenoliths from Tahiti and Moorea Islands, Society Islands

*Norikatsu Akizawa1,2, Akira Ishikawa3, Tetsu Kogiso4, Katsuhiko Suzuki5, Akira Miyake6, Itaru Mitsukawa6 (1.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Macquarie University, 3.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 4.Graduate School of Human and Environmental Studies, Kyoto University, 5.Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 6.Department of Geology and Mineralogy, Kyoto University)

Mon. May 22, 2023 9:00 AM - 10:15 AM 304 (International Conference Hall, Makuhari Messe)

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

[B-CG06] Rock-Bio Interactions and its Applications

9:45 AM - 10:05 AM

[BCG06-04] Geochemical stratigraphy of oceanic lithosphere reconstructed by spinel/garnet peridotite xenoliths from petit-spots in the northwestern Pacific

★Invited Papers

*Norikatsu Akizawa1,3, Akira Ishikawa2, Yuka Niwa2, Olivier Alard3, Yoann Gréau3, Naoto Hirano4, Shiki Machida5 (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.Macquarie University, 4.Center for Northeast Asian Studies, Tohoku University, 5.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology)

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)