1. School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
2. Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan
3. Department of Earth and Atmospheric Sciences, Saint Louis University, St. Louis, Missouri 63108, United States
4. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi’an 710054, China
5. Xi’an Center of Geological Survey, China Geological Survey, Xi’an 710054, China
6. College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China