Iori Yamada1, *Hidenori Terasaki1, Ryo Tsuruoka1, Asaka Kamiya1, Tadashi Kondo1, Yoshinori Tange2, Yuji Higo2 (1.Graduate School of Science, Osaka University, 2.JASRI)
convener:Hidenori Terasaki(Faculty of Science, Okayama University), Eiji Ohtani(Department of Earth and Planetary Materials Science, Graduate School of Science, Tohoku University), Gerd Steinle-Neumann(Bayerisches Geoinstitut, Universitaet Bayreuth), William F McDonough(Department of Earth Science and Research Center for Neutrino Science, Tohoku University, Sendai, Miyagi 980-8578, Japan)