1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China
2. College of Earth Sciences, Chengdu University of Technology, Chengdu, China
3. College of Tourism and Urban-Rural Planning, Chengdu University of Technology, Chengdu, China
4. The Seventh Geological Brigade, Shandong Provincial Bureau of Geology and Mineral Resources, Linyi, China