*Yasuhiko Ohara^1,2, Katsuyoshi Michibayashi³, Henry JB Dick⁴, Jonathan E Snow⁵, Yumiko Harigane⁶, Shigeaki Ono² (1.Hydrographic and Oceanographic Department of Japan, 2.Japan Agency for Marine-Earth Science and Technology, 3.Shizuoka University, 4.Woods Hole Oceanographic Institution, 5.University of Houston, 6.Geological Survey of Japan)

*Katsuyoshi Michibayashi^1,2,4, Shigeki Uehara², Suzu Saito¹, Yasuhiko Ohara³ (1.Institute of Geosciences, Shizuoka University, 2.Graduate School of Geosciences, Shizuoka University, 3.Hydrographic and oceanographic department of Japan, 4.Department of Earth and Planetary Sciences, Nagoya University)

*Tomoyo Okumura¹, Chuan-Chou Shen², Marjoor Ahmad Lone², Tsai-Luen Yu², Akihiro Kano³, Amekawa Shota³, Taiki Mori⁴, Yasuhiko Ohara^5,6 (1.Center for Advanced Marine Core Research, Kochi University, 2. High-Precision Mass Spectrometry and Environment Change Laboratory (HISPEC), Department of Geosciences, National Taiwan University, 3.Department of Earth and Planetary Science, The University of Tokyo, 4.Graduate school of integrated science for global society, 5.Hydrographic and Oceanographic Department of Japan, 6.Department of Subsurface Geobiological Analysis and Research, Japan Agency for Marine-Earth Science and Technology)

*Tomoyo Okumura¹, Chuan-Chou Shen², Marjoor Ahmad Lone², Tsai-Luen Yu², Akihiro Kano³, Amekawa Shota³, Taiki Mori⁴, Yasuhiko Ohara^5,6 (1.Center for Advanced Marine Core Research, Kochi University, 2. High-Precision Mass Spectrometry and Environment Change Laboratory (HISPEC), Department of Geosciences, National Taiwan University, 3.Department of Earth and Planetary Science, The University of Tokyo, 4.Graduate school of integrated science for global society, 5.Hydrographic and Oceanographic Department of Japan, 6.Department of Subsurface Geobiological Analysis and Research, Japan Agency for Marine-Earth Science and Technology)