2:30 PM - 2:45 PM
*Tadashi Usuki1, Yoshiyuki Iizuka2, Takao Hirajima3, Matrin Svojtka4, Bor-Ming Jahn1 (1.National Taiwan University, 2.Institute of Earth Sciences, Academia Sinica, 3.Department of Geology & Mineralogy, Graduate School of Science, Kyoto University, 4.Institute of Geology of the Czech Academy of Sciences)