*Shinji Yamamoto¹, Masahiko Sato², Yuhji Yamamoto³, Masao Ohno⁴, Hideo Tsunakawa⁵ (1.Yohohama National University, 2.National Institute of Advanced Industrial Science and Technology, 3.Kochi University, 4.Kyushu University, 5.Tokyo Institute of Technology)

*Tetsuya Ueda¹, Shigeru Otoh¹, Tatsuya Fujimoto¹, Yoshikazu Kouchi¹, Koshi Yamamoto² (1.Graduate School of Science and Engineering for Education, University of Toyama, 2.Graduate School of Department of Earth and Environmental Studies, Nagoya University)

*Hidetoshi Hara¹, Miho Hirano², Toshiyuki Kurihara³, Hayato Ueda² (1.Institute of Geology and Geoinformation (Geological Survey of Japan) National Institute of Advanced Industrial Science and Technology, 2.Department of Geology, Faculty of Science, Niigata University, 3.Graduate School of Science and Technology, Niigata University)

Hiroki Nakahata¹, *Yukio Isozaki¹, Yukiyasu Tsutsumi² (1.Department of Earth Science and Astronomy, Multi-disciplinary Sciences - General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, 2.Geological Research Group, National Science Museum)

*Masatsugu Ogasawara¹, Takeshi Nakajima², Kenji Horie³, Mami Takehara³, Yuichiro Suzuki², Takayuki Sawaki², Mitsuyoshi Kaneko⁴, Satoshi Nakanishi⁴, Hiroyuki Mitsuishi⁴, Nobuaki Monzawa⁴, Tetsuo Fukano⁴ (1.Institute of Geology and Geoinformation, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 3.National Institute of Polar Research, 4.JX Nippon Oil & Gas Exploration Corporation)

*Minami Murakami¹, Mitsuhiro Nagata¹, Tetsuya Ueda¹, Yoshikazu Kouchi¹, Koshi Yamamoto², Shigeru Otoh¹ (1.Graduate School of Science and Engineering for Education, University of Toyama, 2.Graduate School of Department of Earth and Environmental Studies, Nagoya University)

*Taro Imazu¹, Makoto Kawamura², Yi Keewook³, Toru Takeshita² (1.Earth and Planetary System Science Department of Natural History Sciences Graduate School of Science, Hokkaido University, 2.Division of Earth and Planetary Science Graduate School of Science Hokkaido University, 3.Korea Basic Science Institute)

*Shigeru Otoh¹, Takuya Harada¹, Miwa Yokogawa¹, Mitsuhiro Nagata¹, Yoshimi Hayashi², Yoshikazu Kouchi¹, Koshi Yamamoto³ (1.Graduate School of Science and Engineering (Science), University of Toyama, 2.Faculty of Science, University of Toyama, 3.Graduate School of Environmental Studies, Nagoya University)

Takuya Harada¹, Yoshikazu Kouchi¹, Yoshimi Hayashi², Minami Murakami¹, Ikeda Takuji¹, *Mitsuhiro Nagata¹, Koshi Yamamoto³, Shigeru Otoh¹ (1.Graduate School of Science and Engneering for Education, University of Toyama, 2.Development of Earth sciences, Faculty of Science, University of Toyama, 3.Development of Earth and Planetary sciences, Graduate School of Environmental Studies, Nagoya University)

Miho Hirano¹, *Toshiyuki Kurihara², Hidetoshi Hara³ (1.Department of Geology, Faculty of Science, Niigata University, 2.Graduate School of Science and Technology, Niigata University, 3.Geological Survey of Japan, AIST)