Constraints on slab-derived components beneath the Northeast Japan and Izu arcs from Molybdenum isotopic compositions

Tatsuya Tamura

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)

2:30 PM - 2:45 PM

[SGC46-04] Constraints on slab-derived components beneath the Northeast Japan and Izu arcs from Molybdenum isotopic compositions

*Tatsuya Tamura^1,2, Tetsuya Yokoyama¹, James B Gill³, Takeshi Kuritani⁴, Hikaru Iwamori⁵, Kenta Ueki⁶, Takashi Kudo⁷ (1. Institute of Science Tokyo, 2. Tono Geoscience Center Japan Atomic Energy Agency , 3. University of California, Santa Cruz, 4. Hokkaido University, 5. The University of Tokyo, 6. Japan Agency for Marine-Earth Science and Technology, 7. Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST)

Keywords:Subduction zone, Mo isotopic composition, Northeast Japan arc, Izu arc