2:30 PM - 2:45 PM
*Takuro Yoshioka1, Kyuichi Kanagawa2, Yoshikuni Hiroi3, Simon Richard Wallis4, Takayoshi Nagaya4, Takao Hirajima6, Martin Svojtka5, Tomokazu Hokada7, Yoichi Motoyoshi7 (1.Waseda University School of Creative Science and Engineering, 2.Research School of Science, Chiba University, 3.Faculty of Liberal Arts, The Open University of Japan, 4.Graduate of School of Science, University of Tokyo, 5.Institute of Geology, Academy of Sciences of the Czech Republic, 6.Graduate of School of Science, Kyoto University, 7.Geoscience Group, National Institute of Polar Research)