5:15 PM - 6:30 PM
*Ko Fukuyama1, Eiji Ohtani2, Yuki Shibazaki3, Shin Ozawa2, Akio Suzuki2 (1.Geochemical Research Center Graduate School of Science, The University of Tokyo, 2.Department of Earth Science, Graduate School of Science, Tohoku University, 3.Frontier Research Institute for Interdisciplinary Sciences, Tohoku University)