2:45 PM - 3:00 PM
*Shogo Aoki1, Takeshi Ohno3, Ryoichi Nakada4, Teruhiko Kashiwabara5, Yoshio Takahashi6, Harilaos Tsikos7, Tsuyoshi Komiya2 (1.Faculty of Biosphere-Geosphere Science, Okayama University of Science, 2.Graduate School of Arts and Sciences, the University of Tokyo, 3.Faculty of Science, Gakushuin University, 4.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 5.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 6.Graduate School of Science, The University of Tokyo, 7.Geology Department, Rhodes University)