1:45 PM - 2:00 PM
*Ryosuke Sakurai1, Daiki Yamamoto2, Noriyuki Kawasaki3, Shogo Tachibana1, Hisayoshi Yurimoto3 (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo., 2.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 3.Department of Natural History Sciences, Graduate School of Science, Hokkaido University)