4:15 PM - 4:30 PM
*Diana Mindaleva1, Masaoki Uno1, Alexey Kotov1, Fumiko Higashino2, Tatsuro ADACHI3, Tetsuo Kawakami2 (1.Graduate school of environmental studies, Tohoku University, 2.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, 3.Faculty of Social and Cultural Studies, Kyushu University)