Japan Geoscience Union Meeting 2025

Yuya Akamatsu

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Convener, Chairperson

Sun. May 25, 2025 1:45 PM - 3:15 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

convener:Takanori Kagoshima(University of Toyama), Naoto Hirano(Center for Northeast Asian Studies, Tohoku University), Gou Fujie(Japan Agency for Marine-Earth Science and Technology), Yuya Akamatsu(Japan Agency for Marine-Earth Science and Technology), Chairperson:Takanori Kagoshima(University of Toyama), Naoto Hirano(Center for Northeast Asian Studies, Tohoku University), Gou Fujie(Japan Agency for Marine-Earth Science and Technology), Yuya Akamatsu(Japan Agency for Marine-Earth Science and Technology)

Sun. May 25, 2025 3:30 PM - 5:00 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

convener:Takanori Kagoshima(University of Toyama), Naoto Hirano(Center for Northeast Asian Studies, Tohoku University), Gou Fujie(Japan Agency for Marine-Earth Science and Technology), Yuya Akamatsu(Japan Agency for Marine-Earth Science and Technology), Chairperson:Takanori Kagoshima(University of Toyama), Naoto Hirano(Center for Northeast Asian Studies, Tohoku University), Gou Fujie(Japan Agency for Marine-Earth Science and Technology), Yuya Akamatsu(Japan Agency for Marine-Earth Science and Technology)

Sun. May 25, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

convener:Takanori Kagoshima(University of Toyama), Naoto Hirano(Center for Northeast Asian Studies, Tohoku University), Gou Fujie(Japan Agency for Marine-Earth Science and Technology), Yuya Akamatsu(Japan Agency for Marine-Earth Science and Technology)

Speaker, Author, Co-Author

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[S-VC36] Volcanoes in the sea

Mon. May 26, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [E] Poster
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG51] Hard-Rock Drilling Science: Continental and Deep-Sea Drilling, and Ophiolite

5:15 PM - 7:15 PM

[SCG51-P02] Effects of mineralogy and porosity on seismic velocity of fore-arc basalts and boninites in Bonin fore-arc collected by IODP Expedition 352

*Yuya Akamatsu1, Katsuyoshi Michibayashi2,1, Masakazu Fujii3,4, Yumiko Harigane5, Yuzuru Yamamoto6,7, Nana Kamiya8, Tetsuya Sakuyama9 (1.Research Institute for Marine Geodynamics, JAMSTEC, 2.Nagoya University, 3.National Institute of Polar Research, 4.SOKENDAI, 5.Geological Survey of Japan, AIST, 6.Kobe University, 7.Center for Mathematical Science and Advanced Technology, JAMSTEC, 8.Kyoto University, 9.Osaka Metropolitan University)

Sun. May 25, 2025 1:45 PM - 3:15 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

Sun. May 25, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

5:15 PM - 7:15 PM

[SCG59-P04] Physical properties of basalt and peperite at petit-spot volcanoes: preliminary results

Hanaya Okuda1, *Yuya Akamatsu2, Ikuo Katayama3, Shiki Machida4, Naoto Hirano5, Norikatsu Akizawa3 (1.Kochi Institute for Core Sample Research, JAMSTEC, 2.Research Institute for Marine Geodynamics, JAMSTEC, 3.Earth and Planetary Systems Science Program, Hiroshima Unviersity, 4.Ocean Resource Research Center for Next Generation, Chiba Institute of Techonology, 5.Center for Northeast Asian Studies, Tohoku University)