*Frances Chikanda¹、Tsubasa Otake²、Tatsuya Matsui¹、Sereyroith Tum¹、Tsutomu Sato² (1.Division of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University、2.Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University)

*Sereyroith Tum¹、Tsutomu Sato²、Tatsuya Matsui¹、Sitha Kong³、Yoko Ohtomo²、Ryosuke Kikuchi²、Tsubasa Otake² (1.Graduate School of Engineering, Hokkaido University, 060-8628, Sapporo, Japan 、2.Faculty of Engineering, Hokkaido University, 060-8628, Sapporo, Japan、3.Geology Department, Ministry of Mine and Energy, 12210, Phnom Penh, Cambodia)

*松居 達也¹、Tum Sereyroith¹、Chikanda Frances¹、大友 陽子²、大竹 翼²、菊池 亮佑²、佐藤 努² (1.北海道大学大学院工学院、2.北海道大学大学院工学研究院)