*Shoko SAKATA¹, Mayuri INOUE¹, Yasuaki TANAKA², Takashi NAKAMURA³, Kazuhiko SAKAI², Minoru IKEHARA⁴, Atsushi SUZUKI⁵ (1.Graduate School of Natural Science and Technology, Okayama University, 2.Sesoko Station, Tropical Biosphere Research Center, University of the Ryukyus, 3.Faculty of Science, University of the Ryukyus, 4.Center for Advanced Marine Core Research, Kochi University, 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST))

*Mayuri INOUE¹, Terrence M. Quinn², Frederick W. Taylor², Atsushi SUZUKI³, Hodaka KAWAHATA⁴, Daisuke ARAOKA⁵, Yuhei MITSUKAWA¹, Minoru IKEHARA⁶, Hai Cheng⁷, R. Lawrence Edwards⁷ (1.Graduate School of Natural Science and Technology, Okayama University, 2.Jackson School of Geosciences, The University of Texas, 3.Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST), 4.Atmosphere and Ocean Reseaarch Institute, The University of Tokyo, 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 6.Center for Advanced Marine Core Research, Kochi University, 7.Department of Earth Sciences, University of Minnesota)

*Yuki OTA¹, Hodaka KAWAHATA¹, Yusuke YOKOYAMA², Masafumi MURAYAMA³, Mayuri INOUE⁴, Yousuke MIYAIRI² (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Atmosphere and Ocean Research Institute, University of Tokyo, 3.Center for Advanced Marine Core Research , Kochi University, 4.Department of Earth Sciences, Okayama University)