*Toshifumi Iimori¹, Yuna Fujii² (1. Muroran Tech. Eng., 2. Muroran Tech.)

*Taiju Kawasaki¹, Maki Hamada¹ (1. Kanazawa University)

*Satomi ENJU¹, Yohei Shirose¹, Yosuke Shimamura (1. Ehime Univ. Sci.)

*Takumi Ishizaki¹ (1. Akita Univ.)

*Yusaku AKIMOTO¹, Mariko NAGASHIMA¹, Masaaki OWADA¹ (1. Yamaguchi Univ. Sci)

*Takeyoshi NISHIWAKI¹, Takuya Echigo¹ (1. Akita Univ. IRS.)

*Natsuko Sano¹, Tsuyoshi Miyamoto², Takahiro Kuribayashi¹, Toshiro Nagase³ (1. Tohoku Univ. Sci., 2. Tohoku Univ. CNEAS, 3. Tohoku Univ. Museum)

*Kenta Yoshida¹, Hikaru Sawada², Yu Maruya³, Wataru Matsuda³ (1. Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2. University of Toyama, 3. Necono-Wakuwaku Nature School)

*Rion Yamaoka¹, Norikatsu Akizawa¹, Yuji Ichiyama², Akihiro Tamura³, Tomoaki Morishita³ (1. University of Tokyo, 2. Chiba university, 3. Kanazawa university)

*Yumiko HARIGANE¹, Akihiro Hasebe Tamura², Ryoko Senda³, Tomoaki Morishita², Hiroyuki Yamashita⁴ (1. Geological Survey of Japan, AIST, 2. Kanazawa University, 3. Kyusyu University, 4. Kanawaga Prefectural Museum of Natural History)

*Satoko ISHIMARU¹, Rie SONODA¹, Makoto MIURA^2,3, Vladimir R. SHMELEV⁴, Shoji ARAI³ (1. Kumamoto Univ., 2. GIA, 3. Kanazawa Univ., 4. Zavaritskii Inst. Geol. Geochem., RAS)