*Naoto Fukuyo¹, Yusuke Yokoyama², Geoffrey Clark³ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.College of Asia and the Pacific, The Australian National University)

*Hirokuni Oda¹, Jun Kawai², Naoto Fukuyo¹, Akihiro Tanimoto^4,1, Isao Yosano^3,1, Miki Kawabata² (1.Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, 2.Kanazawa Institute of Technology, 3.Kochi University, 4.Ibaraki University)

*Naoto Fukuyo¹, Hirokuni Oda¹, Chisato Anai², Kazuhiko Fujita³, John A Tarduno⁴ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Center for Advanced marine Core Research, Kochi Univercity, 3.Department of Physics and Earth Sciences, University of the Ryukyus, 4.Department of Earth and Environmental Sciences, University of Rochester, Rochester, USA)

*Naoto Fukuyo¹, Yusuke Yokoyama², Geoffrey Clark³ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.College of Asia and the Pacific, The Australian National University)