*Naotaka Tomioka¹, Kosuke Kurosawa², Akira Miyake³, Yohei Igami³, Takayoshi Nagaya^4,5, Takaaki Noguchi³, Toru Matsumoto³, Masaaki Miyahara⁶, Seto Yusuke⁷ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Graduate School of Human Development and Environment, Kobe University, 3.Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University, 4.Department of Environmental Sciences, Tokyo Gakugei University, 5.Faculty of Education and Integrated Arts and Sciences, Waseda University, 6.Graduate School of Advanced Science and Engineering, Hiroshima University, 7.Graduate School of Science & School of Science, Osaka Metropolitan University)

*Riko Iizuka-Oku¹, Tatsuya Hirai¹, Satoshi Nakano² (1.Department of Earth Sciences, School of Education, Waseda University, 2.NIMS)

*Sayuri Fuke¹, Riko Iizuka-Oku¹, Satoshi Nakano², Hirotada Gotou³ (1.Waseda University, 2.NIMS, 3.ISSP, the University of Tokyo)

*Kazutaka Yamaguchi¹, Takaaki Kawazoe¹, Toru Inoue¹, Naotaka Tomioka² (1.hiroshima university, 2.JAMSTEC, Kochi institute)

*Masami Kanzaki¹ (1.Institute for Planetary Matereials, Okayama University)