1. Chengdu Centre, China Geological Survey, Chengdu, China
2. College of Environment and Civil Engineering, Chengdu University of Technology, Chengdu, China
3. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China
4. School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
5. CAS Key Laboratory of Mineralogy and Metallogeny, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China
6. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing, China