○Kazuya Tsunokawa¹, Katsunori Yamaguchi² (1. Graduate School of WASEDA UNIVERSITY, 2. WASEDA UNIVERSITY)

○Yusuke Harada¹, Noritaka Saito¹, Kunihiko Nakashima¹ (1. Kyushu University)

○Daigo Hara¹, Noritaka Saito¹, Kunihiko Nakashima¹ (1. Kyushu University)

○Hiroyuki Takiguchi¹, Taro Kamiya¹, Hiroyuki Yokoyama², Katsunori Yamaguchi² (1. Japan Oil,Gas and Metals National Corporation Mining&Metallurgy Technology Division Metals Mining Technology Department, 2. Waseda University Department of Resources and Enviromental Engineering School of Creative Science and Enginerring)

○Junichi Kobayashi¹, Junichi Takahashi¹ (1. Sumitomo Metal Mining co.,Ltd.)

○Takumi Kaneko¹, Yuta Yashima¹, Shungo Natsui¹, Tatsuya Kikuchi¹, Ryosuke O Suzuki¹ (1. Hokaido university)