*Yutaka Yoshimura¹, Osamu Ishizuka², Toshitsugu Yamazaki¹, Yuhji Yamamoto³, Hyeon-Seon Ahn⁴, Tesfaye Kidane⁵, Yo-ichiro Otofuji⁶, Naoto Ishikawa⁷ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.National Institute of Advanced Industrial Science and Technology, 3.Center for Advanced Marine Core Research , Kochi Univ., 4.Korea Institute of Geoscience & Mineral Resources, 5.School of Agricultural, Earth, and Environmental Sciences, University of KwaZulu Natal, 6.Institute of Geohistory, 7.School of Sustainable Design, University of Toyama)

*Kenichiro Tani¹, Osamu Ishizuka², Kyoko Okino³, Hayato Ueda⁴ (1.Department of Geology and Paleontology, National Museum of Nature and Science, 2.Geological Survey of Japan/AIST, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Faculty of Science, Niigata University)

*Julia Ribeiro¹, Osamu Ishizuka², Cin-Ty Lee³, Guillaume Girard⁴ (1.Guangzhou Institute of Geochemistry, the Chinese Academy of Sciences, Guangzhou, China, 2.Geological Survey of Japan, AIST, Ibaraki, Japan, 3.Rice University, Earth Science Department, Houston, Tx, USA, 4.Northern Illinois University, DeKalb, Illinois, USA.)

*Kenichiro Tani¹, Hiroshi Kawabata², Osamu Ishizuka³, Takashi Sano¹, Alexey Yu. Martynov⁴ (1.National Museum of Nature and Science, 2.Kochi University, 3.Geological Survey of Japan/AIST, 4.Far East Geological Institute, Russian Academy of Sciences)

*Susumu Umino^1,3, Takahiro Fudai¹, Osamu Ishizuka², Yuki Kusano² (1.Kanazawa University, 2.Geological Survey of Japan, 3.JAMSTEC)

*Yoshihiko Tamura¹, Tomoki Sato¹, Osamu Ishizuka¹, Yasuhiro Hirai¹, Takashi Miyazaki¹ (1.Research Institute for Marine Geodynamics, Japan Agency for Maine-Earth Science and Technology)

*Yasuhiko Ohara^1,2,3, Kyoko Okino⁴, Norikatsu Akizawa⁴, Masakazu Fujii⁵, Yumiko Harigane⁶, Ken-ichi Hirauchi⁷, Osamu Ishizuka⁶, Shiki Machida⁸, Katsuyoshi Michibayashi³, Alessio Sanfilippo⁹, Sani Camilla⁹, Snow E. Jonathan¹⁰, Kenichiro Tani¹¹, Hiroyuki Yamashita¹² (1.Hydrographic and Oceanographic Department of Japan, 2.Japan Agency for Marine-Earth Science and Technology , 3.Nagoya University, 4.Atmosphere and Ocean Research Institute, University of Tokyo, 5.National Institute of Polar Research , 6.Geological Survey of Japan, AIST, 7.Shizuoka University, 8.Chiba Institute of Technology, 9.University of Pavia, 10.Louisiana State University, 11.National Science Museum, 12.Kanagawa Prefectural Museum of Natural History)

*Kyoko Okino¹, Tomoaki Morishita², Shiki Machida³, Kentaro Nakamura¹, Yasuhiko Ohara⁴, Kenichiro Tani⁵, Osamu Ishizuka⁶ (1.The University of Tokyo, 2.Kanazawa University, 3.Chiba Instutue of Technology, 4.Japan Coast Guard, 5.National Museum of Nature and Science, 6.National Institute of Advanced Industrial Science and Technology)

*Yoshihiko Tamura¹, Tomoki Sato¹, Osamu Ishizuka¹, Yasuhiro Hirai¹, Takashi Miyazaki¹ (1.Research Institute for Marine Geodynamics, Japan Agency for Maine-Earth Science and Technology)

*Yoshihiko Tamura¹, Tomoki Sato¹, Yasuhiro Hirai¹, Kenta Yoshida¹, Mathieu Rospabé¹, Osamu Ishizuka¹, Takashi Miyazaki¹, Qing Chang¹ (1.Research Institute for Marine Geodynamics, Japan Agency for Maine-Earth Science and Technology)