*Takeshige ISHIWA1, Yusuke YOKOYAMA1, Yosuke MIYAIRI1, Stephen OBROCHTA2, Takenori SASAKI3, Minoru IKEHARA4, Katsuto UEHARA5, Akihisa KITAMURA6, Atsushi SUZUKI7, Ken IKEHARA7, Katsunori KIMOTO8, Julien BOURJET9, Hiroyuki MATSUZAKI3
(1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Faculty of International Resource Science, Akita University, 3.The University Museum, The University of Tokyo, 4.Center for Advanced Marine Core Research, Kochi University, 5.Research Institute for Applied Mechanics, Kyushu University, 6.Institute of Geosciences, Shizuoka University, 7.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 8.Japan Agency for Marine-Earth Science and Technology, 9.School of Earth and Environment, The University of Western Australia)