JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-GC Geochemistry

[S-GC46] Solid Earth Geochemistry, Cosmochemistry

Thu. May 28, 2026 1:45 PM - 3:15 PM 106 (International Conference Hall, Makuhari Messe)

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

2:15 PM - 2:30 PM

[SGC46-03] The numerical approach to reveal the structure of the large-scale deep mantle, focusing on subduction slabs by major element and isotopic compositions of OIBs

*Fumika Miyajima1, Naoto Hirano1 (1. Tohoku University)

Keywords:mantle structre, llsvp, oceanic crust, subduction