3:45 PM - 4:00 PM
*Yukio Isozaki1, Shinji Yamamoto2, Shuhei Sakata3, Hideyuki Obayashi4, Takafumi Hirata5 (1.Department of Earth Science and Astronomy, Multi-disciplinary Sciences - General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, 2.Department of Human Environmental Studies, Yokohama National University, 3.Department of Chemistry, Gakushuin University, 4.Department of Geology and Mineralogy, Kyoto University, 5.University of Tokyo)