9:45 AM - 10:00 AM
*Noriyuki Kawasaki1, Shoichi Itoh2, Naoya Sakamoto3, Hisayoshi Yurimoto1,3 (1.Natural History Sciences, Hokkaido University, 2.Department of Earth and Planetary Sciences, Kyoto University, 3.Isotope Imaging Laboratory, Creative Research Institution, Hokkaido University)