*Motoko Igisu¹, Kentaro Tanaka², Naoto Takahata³, Tsuyoshi Komiya³, Yuji Sano⁴, Ken Takai¹ (1. JAMSTEC, 2. Tokyo City University, 3. The University of Tokyo, 4. Kochi University)

*Yusuke Inokuchi¹, Shoichi Kiyokawa², Yuya Takeda³, Seiichirou Uehara⁴ (1. Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2. Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University, 3. Graduate School of Integrated Sciences for Grobal Society, Kyushu University, 4. The Kyushu University Museum, Kyushu University)

*Kohei SETOYAMA¹, Naoto TAKAHATA², Tetsuji ONOUE¹, Takuma SHIOHARA¹, Yuji SANO³, Yukio ISOZAKI² (1. Kyushu Univ., 2. Univ. Tokyo, 3. Kochi Univ.)

*Atsushi OSHIMA¹, Tetsuji ONOUE¹, Yuki TOMIMATSU¹, Manuel RIGO² (1. Kyushu University, 2. Padova University)

*Makoto YAMASAKI¹, Haruki Takahashi², Fukuyuki Ozawa³, Naoki Nemoto⁴, Chieko Shimada⁵ (1. Akita University, 2. Nittetsu Mining Corporation, 3. Tekken Corporation, 4. Hirosaki University, 5. National Museum of Nature and Science, Tokyo)

*Teppei SONODA¹, Shota OBUSE², Yasuyuki TSUJINO², Ken-ichi NAKAO², Kentaro NAKAYAMA¹ (1. Fukui Prefectural Dinosaur Museum, 2. Tokushima Prefectural Museum)

*【ECS】Rei NISHIMURA¹, Kentaro CHIBA¹, Kazumasa AOKI², Tetsu KOGISO³ (1. Okayama University of Science, Faculty of Biosphere-Geosphere Science, 2. Okayama University of Science, Center for Fundamental Education, 3. Kyoto University, Graduate School of Human and Environmental Studies)

*【ECS】Hayu OTA¹, Junichiro KURODA¹, Reishi TAKASHIMA², Hiroyuki HOSHI³, Keiichi HAYASHI⁴, Katsuhiko SUZUKI⁵, Akira ISHIKAWA⁶, Hiroshi NISHI⁷ (1. Atmosphere and Ocean Research Institute, the University of Tokyo, 2. The Center for Academic Resources and Archives, Tohoku University Museum, 3. Department of Earth Sciences, Aichi University of Education, 4. Research Institute of Energy, Environmental and Geology, Hokkaido Research Organization, 5. Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 6. Department of Earth and Planetary Sciences, Tokyo institute of Technology, 7. Dinosaurs Research Institute, Fukui Prefectural University)

*Tomohiro UENO¹, Hokuto IWATANI¹, Yoshiaki SUZUKI², Takuya ITAKI², Koji SEIKE², Taiga NAKANO¹ (1. Yamaguchi University , 2. Geological Survey of Japan, AIST)

*Kenji Matsuzaki¹ (1. Atmosphere and Ocean Research Institute, The University of Tokyo)

*Shu Ozawa¹, Makoto Yamasaki¹, Sota Baba², Yuki Mukae³, Masaki Tsubakino⁴ (1. Akita Univ. , 2. Oyo Corporation, 3. Japan Gas Energy Corporation, 4. East Japan Railway Company)

*Hidetoshi Nemoto¹, Koji Kameo² (1. Division of Earth and Environmental Sciences, Graduate School of Science and Engineering, Chiba university, 2. Department of Earth Sciences, Faculty of Science, Chiba university)

*【ECS】Daisuke KUWANO¹, Koji Kameo (1. Chiba University)

*【ECS】Chika ONAI¹, Koji Kameo¹, Daisuke Kuwano¹, Hiroshi Kitazato² (1. Chiba University, 2. University of Marine Science and Technology (TUMSAT))

*Yuki Kosugi¹, Daisuke Kuwano², Yoshimi Kubota³, Koji Kameo², Shouta Sugizaki⁴ (1. Graduate School of Science and Engineering, Chiba University, 2. Department of Earth Sciences, Chiba University, 3. National Museum of Nature and Science, 4. Japan Petroleum Exploration Co., Ltd.)