11:45 AM - 12:00 PM
*Madhusoodhan Satish-Kumar1, Fumiko Higashino2, Tetsuo Kawakami2, Tomokazu Hokada3 (1.Department of Geology, Faculty of Science, Niigata University, 2.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, Japan, 3.National Institute of Polar Research, Tachikawa, Japan)