*Masahiro KAYAMA1, Naotaka TOMIOKA2, Eiji OHTANI3, Yusuke SETO1, Jun-ichi FUKUDA4, Toshimori SEKINE5, Masaaki MIYAHARA5, Shin OZAWA3, Akira MIYAKE6, Kazushige TOMEOKA1, Timothy Fagan7, Hirotsugu NISHIDO8
(1.Department of Earth and Planetary Sciences, Faculty of Science, Kobe University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth and Planetary Materials Science, Graduate School of Science, Tohoku University, 4.Department of Geology and Geophysics, Texas A&M University, 5.Graduate School of Science, Hiroshima University, 6.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, 7.Department of Earth Sciences, School of Education, Waseda University, 8.Department of Biosphere-Geosphere Science, Okayama University of Science)