10:45 AM - 11:00 AM
*Miyako Abe1, Madhusoodhan Satish-Kumar2, Hiroyuki Kagi3, Simon Harley4 (1.Graduate School of Science and Technology, Niigata University, 2.Department of Geology, Faculty of Science, Niigata University, 3.Geochemical Research Center, Graduate School of Science, University of Tokyo, 4.School of Geosciences, The University of Edinburgh)