Session Details

[S-GC46]Solid Earth Geochemistry, Cosmochemistry

Thu. May 28, 2026 1:45 PM - 3:15 PM JST
Thu. May 28, 2026 4:45 AM - 6:15 AM UTC
106 International Conference Hall, Makuhari Messe
convener:Gen Shimoda(Geological Survey of Japan, AIST), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Katsuyuki Yamashita(Faculty of Environmental, Life, Natural Science and Technology, Okayama University), Akira Ishikawa(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), 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)
"Solid Earth Geochemistry, Cosmochemistry" session aims at evaluating processes during the 4.6 billion years of the solar system and the Earth. Any approaches to this issue is welcomed, including, geochemistry, geophysics, geology, mineralogy and petrology.

[SGC46-01]Iron-silicate partitioning of plutinum group elements under high pressure

*Taku Tsuchiya1, Katsuhiko Suzuki2 (1.Geodynamics Research Center, Ehime University, 2.JAMSTEC)

[SGC46-02]Pressure-stabilised Pb–S phases as deep-mantle hosts for unradiogenic lead: solving the lead isotope paradox?

*Simon A T Redfern1, Siyu Liu1, Shidong Yu1, Meng Guo2 (1.Nanyang Technological University, 2.Hong Kong University)

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

*Tatsuya Tamura1,2, 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)

[SGC46-05]Estimating mantle heat-producing element abundances through global geoneutrino detections

*Zhihao Xu1, Shuai Ouyang2, William F. McDonough3,4,5, Hiroko Watanabe1, Mark Chen6, Yang Zhang2, Laura S. Keen7 (1.Research Center for Neutrino Science, Tohoku University, 2.Shandong University, 3.Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Tohoku University & JAMSTEC, 4.University of Maryland, College Park, 5.Center for Geoneutrino Research, Institute of Oceanology, Chinese Academy of science, 6.Queen's University at Kingston, 7.The MathWorks, Inc.)

[SGC46-06]When Expectation–Maximization Meets Self-Distillation: A Unified Framework for Robust Geochemical Anomaly Recognition

*Shuyan Yu1,2, Hao Deng1 (1.School of Geosciences and Info-Physics, Central South University, 2.Earthquake Research Institute, The University of Tokyo)