*Euclesia Paulina Francisco Cossa¹, Andrea Agangi¹, Ryohei Takahashi¹, Pearlyn Manalo¹, Akira Imai², Vicente Manjate³ (1.Akita University, Japan, 2.Kyushu University, Japan, 3.National Mining Institute, Mozambique)

*Shota Fuji¹, Mizuki Ishida¹, Junichiro Ohta^1,2, Koichiro Fujinaga^2,1, Kazutaka Yasukawa¹, Kentaro Nakamura^1,2, Yasuhiro Kato^1,2 (1.School of Engineering, the University of Tokyo, 2.ORCeNG, Chiba Institute of Technology)

*Fadlin Fadlin^1,2, Ryohei Takahashi¹, Andrea Agangi¹, Pearlyn Manalo¹, Hinako Sato¹, Arifudin Idrus³, Bronto Sutopo⁴, Rachmat Pratiwinda⁵ (1.Akita University, 2.Study Program of Geological Engineering, Jenderal Soedirman University (Indonesia), 3.Department of Geological Engineering, Universitas Gadjah Mada (Indonesia), 4.PT. Antam, Tbk (Indonesia), 5.PT. Sumbawa Timur Mining (Indonesia))

*Karl Dimarucut Jabagat¹, Jillian Aira S. Gabo-Ratio², Omar B. Soberano³, Karlo L. Queaño⁵, Eric S. Andal⁶, Kotaro Yonezu⁴, Carla B. Dimalanta², Graciano P Yumul Jr.⁷, Yuan-Hsi Lee¹ (1.Department of Earth and Environmental Sciences, National Chung Cheng University, Taiwan, 2.Rushurgent Working Group, National Institute of Geological Sciences, College of Science, University of the Philippines-Diliman, 3.Graduate School of International Resource Sciences, Akita University, Akita, Japan, 4.Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, Fukuoka 819-0395, Japan, 5.Mines and Geosciences Bureau, Department of Environment and Natural Resources, Quezon City, Philippines,, 6.Itogon-Suyoc Resources Incorporated, Itogon Benguet, Philippines, 7.Cordillera Exploration Co. Inc., BGC, Taguig City 1630, Philippines)

*Tsubasa Otake¹, Takahiro Daimon², Kenzo Sanematsu³, Yoshio Takahashi⁴, Tsutomu Sato¹ (1.Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, 2.Cource of Sustainable Resources Engineering, School of Engineering, Hokkaido University, 3.Institute for Geo-Resources and Environment, National Institute of Advanced Industrial Science and Technology, 4.Department of Earth and Planetary Science, Graduare School of Science, The University of Tokyo)

*Apivut Veeravinantanakul¹, Ryohei Takahashi¹, Andrea Agangi¹, Pearlyn Manalo¹, Hinako Sato¹ (1.Akita University)

*Tomoaki Koya¹, Akizumi Ishida¹, Takeshi Kakegawa¹ (1.Graduate school of science, Tohoku University)

*Manuel Augusto Manuel Nopeia¹, Akira Imai¹, Ryohei Takahashi², Kotaro Yonezu¹, Daúd Jamal³, Andrea Agangi², Thomas Tindell¹, Pearlyn Manalo², Hinako Sato² (1.Department of Earth Resources Engineering, Kyushu University, 2.Department of Earth Resource Science, Akita University, 3.Department of Geology, Eduardo Mondlane University)

*Onameditse Lulu Seaba¹, Akira Imai¹, Kotaro Yonezu¹, Thomas Tindell¹, Kemmonye Baliki² (1.Kyushu University, 2.Mupane Gold Mine)

*RYOHEI SUGIURA¹, Tsubasa Otake², Yoko Ohtomo², Tsutomu Sato², Ki-Cheol Shin³ (1.Graduate school of Engineering, Hokkaido University, 2.Facility of Engineering, Hokkaido University, 3.Research Institute for Humanity and Nature)

*Miki Shikama¹, Kazunori Nakashima¹, Satoru Kawasaki¹ (1.Hokkaido University)

*Diana Mindaleva¹, Ryoichi Yamada¹, Satoshi Matsuno¹, Vani Novita Alviani¹, Jiajie Wang¹, Nobuo Hirano¹, Noriyoshi Tsuchiya¹ (1.Graduate school of environmental studies, Tohoku University)

*Yoko Ohtomo¹, Tatsuya Matsui², Frances Chikanda², Sereyroith Tum², Tsubasa Otake¹, Tsutomu Sato¹ (1.Faculty of Engineering, Hokkaido University, 2.Graduate School of Engineering, Hokkaido University)