*Takuya HARADA¹, Shoichi KIYOKAWA¹, Tsubasa MIKI¹, Shuhei TERAJI¹, Yukiyasu TSUTSUMI², Minoru IKEHARA³ (1.Department of Earth and Planetary Sciences, Kyushu University, 2.National Science Museum, 3.Center for Advanced Marine Core Research, Kochi University)

*Atsushi MIYASHITA¹, Yukiyasu TSUTSUMI², Takashi SANO², Tetsumaru ITAYA³ (1.Seikei High School, 2.National Museum of Nature and Science, Tokyo, 3.Okayama University of Science)

*Yusuke TAKAMURA¹, Toshiaki TSUNOGAE¹, M SANTOSH², Sanjeewa p.k. MALAVIARACHCHI³, Yukiyasu TSUTSUMI⁴ (1.Faculty of Life and Environmental Sciences (Earth Evolution Sciences), University of Tsukuba, 2.School of Earth Science and Resources, China University of Geeosciences Beijing, 3.Department of Geology, Faculty of Science, University of Peradeniya, 4.Department of Geology and Paleontology, National Museum of Nature and Science)

*Hikaru SAWADA¹, Shigenori MARUYAMA², Yukio ISOZAKI³, Takafumi HIRATA⁴, Shuhei SAKATA⁴, Yukiyasu TSUTSUMI⁵ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Earth-Life Institute, Tokyo Institute of Technology, 3.Department of Earth Science and Astronomy, the University of Tokyo, 4.Division of Earth and Planetary Sciences, Kyoto University, 5.Department of Geology and Paleontology, National Museum of Nature and Science)

*Satoshi YOSHIMARU¹, Shoichi KIYOKAWA¹, Yukiyasu TSUTSUMI², Carlos A. Rosiere³ (1.Kyushu University, 2.National Museum of Nature and Science, 3.Federal University of Minas Gerais)