*Takuya Sagawa¹, Risako Makino², Yukimi Kubota², Yoshimi Kubota³, Yair Rosenthal⁴ (1.Institute of Science and Engineering, Kanazawa University, 2.School of Science and Engineering, Kanazawa University, 3.National Museum of Nature and Science, 4.Rutgers University)

*Daisuke Kuwano¹, Koji Kameo¹, Yoshimi Kubota², Kanako Mantoku², Masayuki Utsunomiya³, Makoto Okada⁴ (1.Chiba University, 2.National Museum of Nature and Science, 3.Geological Survey of Japan, AIST, 4.Ibaraki Uviversity)

*Yuki Haneda¹, Makoto Okada², Yoshimi Kubota³, Yusuke Suganuma¹ (1.National Institute of Polar Research, 2.Department of Earth Science, College of Science, Ibaraki University, 3.National Museum of Nature and Science)

*Miki Muranaka¹, Yusuke Okazaki², Yoshimi Kubota³ (1.Department of Earth and Planetary Sciences, Kyushu University, 2.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 3.National Museum of Nature and Science)

*Yusuke Narita¹, Takuya Sagawa¹, Masafumi Murayama³, Takuya Matsuzaki⁷, Yoshitaka Nagahashi⁴, Takashi Hasegawa², Akiko S. Goto², Takeshi Nakagawa⁵, Yoshimi Kubota⁶ (1.Kanazawa University, Graduate school of natural Science and Technology, 2.Kanazawa University, Institute of Science and Engineering, 3.Kochi University, Faculty of Agriculture and Marine Science, 4.Fukushima University, 5.Ritsumeikan University, 6.National Museum of Nature and Science, 7.Center for Advanced Marine Core Research, Kochi University)