*Yasuhito SEKINE¹, Tomohiro USUI², Takazo SHIBUYA³, Shintaro KADOYA¹, Yuichiro CHO⁴, Shingo KAMEDA⁴, Shogo TACHIBANA⁵, Sei-ichiro WATANABE⁶ (1.University of Tokyo, 2.Tokyo Institute of Technology, 3.JAMSTEC, 4.Rikkyo University, 5.Hokkaido University, 6.Nagoya University)

*Hironobu HYODO¹, Keiko SATO², Hidenori KUMAGAI², Shinji YAMAMOTO³, Takazo SHIBUYA², Tsuyoshi KOMIYA³ (1.RINS, Okayama Univ. of Sci., 2.JapanAgency for Marine-Earth Science and Technology, 3.Dep. of Earth Science & Astronomy, Univ. of Tokyo)

*Takuya SAITO¹, Huaning Qiu², Takazo SHIBUYA³, Shigenori MARUYAMA⁴ (1.Department of Earth and Planetary Science, Tokyo Institute of Technology, 2.Chinese Academy of Sciences, Guangzhou Institute of Geochemistry, 3.Precambrian Ecosystem Laboratory, Japan Agency for Marine-Earth Science and Technology, 4.Earth-Life Science Institute, Tokyo Institute of Technology)

*Takuya SAITO¹, Huaning Qiu², Takazo SHIBUYA³, Shigenori MARUYAMA⁴ (1.Department of Earth and Planetary Science, Tokyo Institute of Technology, 2.Chinese Academy of Sciences, Guangzhou Institute of Geochemistry, 3.Precambrian Ecosystem Laboratory, Japan Agency for Marine-Earth Science and Technology, 4.Earth-Life Science Institute, Tokyo Institute of Technology)

*Keiko SATO¹, Shinji YAMAMOTO², Hironobu HYODO³, Hidenori KUMAGAI¹, Takazo SHIBUYA⁴, Tsuyoshi KOMIYA² (1.R&D CSR, JAMSTEC, 2.Graduate School of Arts and Sciences, University of Tokyo, 3.Natural Science Research Center, Okayama University of Sciences, 4.Precambrian Ecosystem Laboratory, JAMSTEC)

*Yoichi USUI¹, Takazo SHIBUYA¹, Kenichiro TANI², Masafumi SAITOH¹, Manabu NISHIZAWA¹, Teruhiko KASHIWABARA¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Department of Geology and Paleontology, National Museum of Nature and Science)

*Takuya SAITO¹, Takazo SHIBUYA², Yusuke SAWAKI¹, Tsuyoshi KOMIYA³, Shigenori MARUYAMA⁴ (1.Department of Earth & Planetary Sciences, Tokyo Institute of Technology, 2.Precambrian Ecosystem Laboratory, Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo, 4.Earth-Life Science Institute, Tokyo Institute of Technology)

*Hisahiro UEDA¹, Yusuke SAWAKI¹, Takazo SHIBUYA², Shigenori MARUYAMA¹ (1.Department of Earth and Planetary Science,Tokyo Institute of Technology, 2.JAPAN AGENCY FOR MARIN-EARTH SCIENCE AND TECHNOJOGY)