11:15 AM - 11:30 AM
*Kohki Sowa1, Chuki Hongo2, Kentaro Tanaka3, Takuma Fujii4, Saburo Sakai1, Kosei E. Yamaguchi6,5 (1.Japan Agency for Marine-Earth Science and Technology, 2.Ryukyu University, 3.The University of Tokyo , 4.Kagoshima University, 5.Toho University, 6.NASA Astrobiology Institute)