09:00 〜 10:30
*Baigalimaa Ganbat1,3、Kazunori Yoshizawa1,2、Demberel Sodnomsambuu3、Ulziibat Munkhuu3 (1.Dept Natural History Sciences, Graduate School of Science, Hokkaido University、2.Dept Earth & Planetary Sciences, Faculty of Science, Hokkaido University、3.Institute of Astronomy and Geophysics of Mongolia)