*Chie Kato¹, Masao Ohno¹, Tadahiro Hatakeyama², Jun-ichiro Ishibashi³, Shuhei Totsuka⁴, Kazuhiko Shimada³ (1.Department of Environmental Changes, Faculty of Social and Cultural Studies, Kyushu University, 2. Information Processing Center, Okayama University of Science, 3.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 4. Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University)

*Chie Kato¹, Masao Ohno¹, Tadahiro Hatakeyama², Jun-ichiro Ishibashi³, Shuhei Totsuka⁴, Kazuhiko Shimada³ (1.Department of Environmental Changes, Faculty of Social and Cultural Studies, Kyushu University, 2. Information Processing Center, Okayama University of Science, 3.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 4. Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University)

*Ryo Uehara¹, Yoshihiro Kuwahara¹, Kazuhiko Shimada¹, Yoshihiro Nakamuta¹, Seiichiro Uehara¹, Tatsuro Adachi¹ (1.Kyushu university)

*Ryo Uehara¹, Yoshihiro Kuwahara¹, Kazuhiko Shimada¹, Yoshihiro Nakamuta¹, Seiichiro Uehara¹, Tatsuro Adachi¹ (1.Kyushu university)

*Shuhei Totsuka¹, Jun-ichiro Ishibashi², Kazuhiko Shimada², Kei Ikehata³, Hideaki Machiyama⁴, Koichi Iijima⁴, Hirofumi Yamamoto⁴, Hidenori Kumagai⁴, Ken Ikehara⁵, Toru Yamasaki⁵, Yutaro Takaya⁶, Toshiro Nagase⁷, Thomas Tindell⁸, Kotaro Yonezu⁸, Yuki Tada⁸ (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, 2.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 3.Faculty of Life and Environmental Sciences, University of Tsukuba, 4.Research and Development Center for Submarine Resources, JAMSTEC, 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 6.Department of Resources and Environmental Engineering School of Creative Science and Enginerring, Waseda University, 7.Tohoku University Museum, 8.Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University)

Akihi Tsutsumi¹, Naru Tsukamoto¹, Kazuhiko Shimada¹, *Jun-ichiro Ishibashi¹, Ryuichi Shinjo² (1.Department of Earth and Planetary Sciences, Kyushu University, 2.Faculty of Science, University of Ryukyus)

*Jun-ichiro Ishibashi^1,2, Shuhei Totsuka², Akihi Tsutsumi², Naru Tsukamoto², Yusuke Kira², Kazuhiko Shimada¹, Toru Yamasaki³, Ken Ikehara³, Toshiro Nagase⁴, Yutaro Takaya^5,9, Kei Ikehata⁶, Takashi Goto⁷, Chitaro Gouzu⁷, Ryuichi Shinjo⁸, Hideaki Machiyama⁹, Koichi Iijima⁹, Hirofumi Yamamoto⁹, Hidenori Kumagai⁹ (1.Department of Earth and Planetary Sciences, Kyushu University, 2.Graduate School of Science, Kyushu University, 3.National Institute of Advanced Industrial Science and Technology, 4.Tohoku University Museum, 5.School of Creative Science and Enginerring, Waseda University, 6.Faculty of Life and Environmental Sciences, University of Tsukuba, 7.Hiruzen Institute for Geology and Chronology, 8.Faculty of Science, University of the Ryukyus, 9.Japan Agency for Marine-Earth Science and Technology)

*Jun-ichiro Ishibashi^1,2, Shuhei Totsuka², Akihi Tsutsumi², Naru Tsukamoto², Yusuke Kira², Kazuhiko Shimada¹, Toru Yamasaki³, Ken Ikehara³, Toshiro Nagase⁴, Yutaro Takaya^5,9, Kei Ikehata⁶, Takashi Goto⁷, Chitaro Gouzu⁷, Ryuichi Shinjo⁸, Hideaki Machiyama⁹, Koichi Iijima⁹, Hirofumi Yamamoto⁹, Hidenori Kumagai⁹ (1.Department of Earth and Planetary Sciences, Kyushu University, 2.Graduate School of Science, Kyushu University, 3.National Institute of Advanced Industrial Science and Technology, 4.Tohoku University Museum, 5.School of Creative Science and Enginerring, Waseda University, 6.Faculty of Life and Environmental Sciences, University of Tsukuba, 7.Hiruzen Institute for Geology and Chronology, 8.Faculty of Science, University of the Ryukyus, 9.Japan Agency for Marine-Earth Science and Technology)