*Sho SASAKI1, Jun KIMURA2, Tadashi KONDO2, Koji MATSUMOTO3, Hiroki SENSHU4, Yasuhito SEKINE5, Takazo SHIBUYA6, Tomoaki KUBO7, Noriyuki NAMIKI4, Yasunori HORI3, Shunichi KAMATA8
(1.Department of Earth and Space Sciences, Osaka University, 2.ELSI, Tokyo Institute of Technology, 3.National Astronomical Observatory, 4.PERC, Chiba Institute of Technology, 5.The University of Tokyo, 6.Japan Agency for Marine-Earth Science and Technology, 7.Department of Earth and Planetary Sciences, Kyushu University, 8.Hokkaido University)