5:15 PM - 6:45 PM
*Yusuke kodama1, Muhammad Adam Ismail1, Takuto Ando2, Ken Sawada3 (1.Department of Natural History Sciences, Graduate school of Science, Hokkaido University, 2.Department of Earth Resource Science, Akita University, Akita, Japan, 3.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)