*Madhusoodhan Satish-Kumar¹, Kaoru Mishima², Tsuyoshi Toyoshima¹, Kentaro Koinuma³, Yoshiihiro Enya³, Itsuki Muramatsu³, Tomokazu Hokada⁴, Yuichiro Ueno², Atsushi Kamei⁵, Kyoko Kataoka⁶, Krishnan Sajeev⁷ (1.Department of Geology, Faculty of Science, Niigata University, 2.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan, 3.Graduate School of Science and Technology, Niigata University, Japan, 4.National Institute of Polar Research, 10-3, Midori-cho, Tachikawa-shi, Tokyo 190-8518, Japan, 5.Department of Geosciences, Shimane University, Matsue 690-8504, Japan, 6.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 7.Centre for Earth Sciences, Indian Institute of Science, Bangalore 560 012 India)

*Atsushi Kamei¹, Tomokazu Hokada², Madhusoodhan Satish-Kumar³, Tsuyoshi Toyoshima³, Kaoru Mishima⁴, Yuichiro Ueno⁴, Kyoko Kataoka⁵ (1.Department of Geoscience, Interdisciplinary Faculty of Science and Engineering, Shimane University, 2.National Institute of Polar Research, 10-3, Midori-cho, Tachikawa-shi, Tokyo 190-8518, Japan, 3.Department of Geology, Niigata University, 2-8050 Ikarashi, Nishi-ku, Niigata 950-2181, Japan, 4.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan, 5.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 2-8050 Ikarashi, Nishi-ku, Niigata 950-2181, Japan)

Kentaro Koinuma¹, *Madhusoodhan Satish-Kumar², Kaoru Mishima³, Yuichiro Ueno³, Tomokazu Hokada⁴, Tsuyoshi Toyoshima² (1.Graduate School of Science & Technology Niigata University, 2.Department of Geology, Faculty of Science, Niigata University, 3.Department of Earth & Planetary Sciences, Tokyo Institute of Technology, Tokyo, Japan, 4.National Institute of Polar Research, Tachikawa, Tokyo, Japan)

*Waka Kawade¹, Yuichiro Ueno¹, Norio Kitadai², Yayoi Hongo² (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.ELSI)

*Konomi Suda¹, Yuichiro Ueno^1,2,3, Alexis Gilbert², Naohiro Yoshida^2,4 (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Earth-Life Science Institute (WPI-ELSI), Tokyo Institute of Technology, 3.Precambrian Ecosystem Laboratory, JAMSTEC, 4.Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology)

*Fumihiro Matsuura¹, Masafumi Saitoh², Yusuke Sawaki¹, Yuichiro Ueno^1,2,3 (1.Tokyo Institute of Technology, 2.JAMSTEC, 3.Earth-Life Science Institute)

*Masafumi Saitoh¹, Yuichiro Ueno², Yukio Isozaki³, Takazo Shibuya¹, Katsumi Shozugawa³, Motoyuki Matsuo³, Naohiro Yoshida² (1.JAMSTEC, 2.Tokyo Tech, 3.Univ Tokyo)

*Wataru Fujisaki¹, Yusuke Sawaki¹, Hisahiro Ueda¹, Konomi Suda¹, Tomohiko Sato², Manabu Nishizawa³, Tetsuya Yokoyama¹ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Earth-Life Science Institute, Tokyo Institute of Technology, 3.Laboratory of Ocean-Earth Life Evolution Research (OELE), Japan Agency for Marine-Earth Science and Technology (JAMSTEC))