4:30 PM - 4:45 PM
*Simon Wallis1, Shunsuke Endo2, Takayoshi Nagaya3, Hiroshi Mori4, Yoshihiro Asahara1, Hirokazu Kawahara5 (1.Department of Earth and Planetary Sciences, Nagoya University, 2.Department of Geoscience, Shimane Unversity, 3.Graduate School of Environmental Studies, Tohoku University, 4.Faculty of Science, Shinshu University, 5.Japan Oil, Gas and Metals National Corporation)