2:30 PM - 2:45 PM
*Shoko Imamura1,2, Yasuhito Sekine1, Yoshio Kono3, Yuichiro Cho2, Haruhisa Tabata2, Shoki Mori2, Hiroyuki Kagi4 (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Department of Earth and Planetary Science, University of Tokyo, 3.Geodynamics Research Center, Ehime University, 4.Geochemical Research Center, Graduate School of Science, University of Tokyo)