*Hiroki Mukai¹, Yoshiaki Kon¹, Kenzo Sanematsu¹, Yoshio Takahashi², Motoo Ito³ (1.National Institute of Advanced Industrial Science and Technology, 2.Graduate School of Science, the University of Tokyo, 3.Kochi Institute for Core Sample Research JAMSTEC)

*Kenzo Sanematsu¹ (1.Mineral Resource Research Group, Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

*Ayaka Murofushi¹, Akane Ito¹, Tsubasa Otake², Kenzo Sanematsu³, Kyaw Zay Ya^1,4, Tsutomu Sato² (1.Graduate school of Engineering, Hokkaido University, 2.Facility of Engineering, Hokkaido University, 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4.Department of Geological Survey and Mineral Exploration)

*Ayaka Murofushi¹, Akane Ito¹, Tsubasa Otake², Kenzo Sanematsu³, Kyaw Zay Ya^1,4, Tsutomu Sato² (1.Graduate school of Engineering, Hokkaido University, 2.Facility of Engineering, Hokkaido University, 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4.Department of Geological Survey and Mineral Exploration)

Haibo Qin¹, Kenzo Sanematsu², Arcilla Carlo³, *Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Institute for Geo-Resources and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 3.National Institute of Geological Sciences, College of Science, University of the Philippines)