10:00 AM - 10:15 AM
*Yuya AOYAGI1, Takashi MIKOUCHI1, Kazumasa SUGIYAMA2, Yoshihiko YOKOYAMA2, Cyrena A. GOODRICH3, Michael E. ZOLENSKY4 (1.Dept. of Earth & Planet. Sci., Univ. of Tokyo, 2.Inst. for Materials Research, Tohoku Univ., 3.Planet. Sci. Inst., 4.NASA-JSC)