*George Helffrich1, Satoshi Kaneshima2, Kei Hirose1,3 (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Earth and Planetary Sciences, Kyushu University, 3.Earth and Planetary Sciences Department, University of Tokyo)
convener:Hidenori Terasaki(Graduate School of Science, Osaka University), Eiji Ohtani(Department of Earth and Planetary Materials Science, Graduate School of Science, Tohoku University), William F McDonough(University of Maryland College Park), George Helffrich(Earth-Life Science Institute, Tokyo Institute of Technology), Chairperson:George Helffrich(ELSI, Tokyo Institute of Technology), Hidenori Terasaki