*Tomokazu Hokada^1,2, Sotaro Baba³, Atsushi Kamei⁴, Ippei Kitano⁵, Prayath Nantasin⁶, Nugroho Setiawan⁷, Davaa-ochir Dashbaatar⁸, Yoichi Motoyoshi^1,2, Yoshikuni Hiroi¹, Yasuhito Osanai⁵, Daniel Dunkley, Kenji Horie^1,2, Mami Takehara¹, Kazuyuki Shiraishi¹ (1.National Institute of Polar Research, 2.The Graduate University for Advanced Studies (SOKENDAI), 3.University of the Ryukyus, 4.Shimane University, 5.Kyushu University, 6.Kasetsart University, 7.Gadjah Mada University, 8.Mongolian University of Science and Technology)

*Mami Takehara¹, Kenji Horie^1,2, Tomokazu Hokada^1,2, Sotaro Baba³, Atsushi Kamei⁴, Ippei Kitano⁵, Prayath Nantasin⁶, Nugroho Setiawan⁷, Davaa-ochir Dashbaatar⁸, Yoichi Motoyoshi^1,2 (1.National Institute of Polar Research, 2. The Graduate University for Advanced Studies (SOKENDAI), 3.University of the Ryukyus, 4.Shimane University, 5.Kyushu UNiversity, 6.Kasetsart University, 7.Gadjah Mada University, 8.Mongolian University of Science and Technology)

*Geoffrey Hugo Grantham¹, Conrad Adolf Groenewald¹, Riaan Bothma², Petrus le Roux³, Kenji Horie⁴ (1.Department of Geology, University of Johannesburg, Auckland Park, South Africa, 2.6 Van Broekhuizen Street Kuilsrivier 7580 South Africa, 3.Department of Geological Sciences, University of Cape Town, Rondebosch, South Africa, 4.National Institute of Polar Research, Tachikawa, Japan.)

*Madhusoodhan Satish-Kumar¹, Takumi Yoshida^2,3, Hayato Ueda¹, Kenji Horie⁴, Tomoki Taguchi⁵ (1.Department of Geology, Faculty of Science, Niigata University, Japan, 2.Graduate School of Science and Technology, Niigata University, Japan, 3.Oyo Corporation, Japan, 4.National Institute of Polar Research, Tachikawa, Japan, 5.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, Japan )

*Hiroshi Kawabata¹, Koshi Nishimura², Kenji Horie³, Mami Takehara³ (1.Faculty of Science and Technology, Kochi Univeristy, 2.Natural Science Laboratory. Toyo University, 3.National Institute of Polar Research)

*Hiroshi Kawabata¹, Koshi Nishimura², Kenji Horie³, Mami Takehara³ (1.Faculty of Science and Technology, Kochi Univeristy, 2.Natural Science Laboratory. Toyo University, 3.National Institute of Polar Research)

*Shoichi Kiyokawa¹, Tsubasa Miki¹, Yuhei Aihara^1,4, Shuhei Teraji^1,3, Mami Takehara², Kenji Horie² (1.Department of Earth and Planetary Sciences Faculty of sciences, Kyuushu University, 2.National Institute of Polar Research, 3.Nippon Steel and Smitomo Metal, 4.IMPEX)