JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG55] Oceanic plate as inputs to subduction zone and the subduction initiation

Thu. May 28, 2026 10:45 AM - 12:15 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

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

12:00 PM - 12:15 PM

[SCG55-12] CO2-rich hydrothermal reactions in petit-spot: experimental constraints on chemical and physical modification of pelagic sediments

*Keishiro Azami1, Kanta Koyama2, Takuya Saito3, Takazo Shibuya3, Syogo Kinoshita2, Shiki Machida1, Yasuhiro Kato4,1, Estuo Uchida2 (1. Ocean Resources Research Center ofr Next Generation, Chiba Institute of Technology, 2. Faculty of Science and Engineering, Waseda University, 3. Institute for Extra-cutting-edge Science and Technology Avant-grade, Japan Agency for Marine–Earth Science and Technology, 4. Department of Systems Innovation, School of Engineering, The University of Tokyo)

Keywords:Hydrothermal activity, Petit-spot volcano, Outer rise, Pacific Ocean