*Tsuyoshi KOMIYA¹, Kota NAMBA¹, Yusuke SAWAKI¹, Takafumi HIRATA², Takayuki USHIKUBO³, Kenji SHIMIZU³ (1. The University of Tokyo, Komaba, 2. Geochemical Research Center, The University of Tokyo, 3. Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Ryosuke NAGAO¹, Satoshi YOSHIDA², Yusuke SAWAKI², Takeshi OHNO³, Yuichiro UENO⁴, Tsuyoshi KOMIYA^2,1 (1. Department of Earth and Planetary Science, The University of Tokyo, 2. Graduate School of Arts and Sciences, The University of Tokyo, 3. Department of Chemistry, Faculty of Science, Gakushuin University, 4. Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

*Takuto Ando¹, Yuki Hara², Yoshikazu Sampei³, Ken Sawada² (1. Estuary Research Center, Shimane University, 2. Faculty of Science, Hokkaido University, 3. Interdisciplinary Faculty of Science and Engineering, Shimane University)

*Shun David Muto¹, Satoshi Takahashi², Masafumi Murayama^3,4 (1. Geological Survey of Japan, AIST, 2. Department of Earth and Planetary Sciences, Nagoya University, 3. Faculty of Agriculture and Marine Science, Kochi University, 4. Center for Advanced Marine Core Research, Kochi University)

*Ryosuke Saito¹ (1. Yamaguchi University)

*Tomonari Kandabashi¹, Katsuyuki Yamashita², Kohei Kawakami¹, Tetsuji Onoue¹ (1. Kyushu Univ., 2. Okayama Univ.)

*Katsuhito SODA¹, Tetsuji ONOUE² (1. Center for Advanced Marine Core Research, Kochi University, 2. Kyushu Univ.)

*Honami Sato¹, Akira Ishikawa², Yuki Tomimatsu¹, Tetsuji Onoue¹, Manuel Rigo³ (1. Kyushu University, 2. Tokyo Institute of Technology, 3. University of Padova)

*Ryota Murai¹, Junichiro Kuroda¹, Yuki Okada², Natsuko Yoshida², Katsuhiko Suzuki³, Rie Hori² (1. University of Tokyo, 2. Ehime University, 3. JAMSTEC)

*Yuki Tomimatsu¹, Tetsuji Onoue¹, Manuel Rigo² (1. Kyushu University, 2. University of Padova)