1. Lecturer, Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Natural Resources, Xi’an 710021, China; Lecturer, College of Geology and Environment, Xi’an Univ. of Science and Technology, Xi’an 710054, China (corresponding author).
2. Undergraduate Student, College of Geology and Environment, Xi’an Univ. of Science and Technology, Xi’an 710054, China.
3. Professor, Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Natural Resources, Xi’an 710021, China; Professor, College of Geology and Environment, Xi’an Univ. of Science and Technology, Xi’an 710054, China; Academic Adviser, Jinneng Holding Group Co. Ltd., National Key Laboratory of Coal and CBM Co-Mining Technology, Jincheng 048000, China.
4. Senior Engineer, Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Natural Resources, Xi’an 710021, China.
5. Senior Engineer, Geological Survey Institute of Shaanxi Province, Shaanxi Geological Science and Technology Center, Xi’an 710054, China.
6. Lecturer, College of Geology and Environment, Xi’an Univ. of Science and Technology, Xi’an 710054, China.
7. Master’s Student, College of Geology and Environment, Xi’an Univ. of Science and Technology, Xi’an 710054, China.