1. Senior Researcher, Korea Institute of Geoscience and Mineral Resources, No. 124, Gwahak-ro, Yuseong-gu, Daejeon 34132, South Korea.
2. Associate Professor, Dept. of Energy Resources Engineering, College of Environmental and Marine Science and Technology, Pukyong National Univ., No. 45, Yongso-ro, Nam-gu, Busan 48513, South Korea (corresponding author).
3. Senior Researcher, Dept. of Energy Systems Engineering, College of Engineering, Seoul National Univ., No. 1, Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea.
4. Professor, Dept. of Energy Systems Engineering, College of Engineering, Seoul National Univ., No. 1, Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea.
5. Researcher, Mine Reclamation Corporation, No. 2, Segye-ro, Wonju-si, Gangwon-do 26464, South Korea.