2:15 PM - 2:30 PM
*Hikaru Sawada1, Shigenori Maruyama2, Yukio Isozaki3, Shuhei Sakata3, Takafumi Hirata4 (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Earth-Life Science Institute, Tokyo Institute of Technology, 3.Department of Earth Science and Astronomy, The University of Tokyo, 4.Division of Earth and Planetary Sciences, Kyoto University)