1. School of Earth Science and Resources, Chang’an University, 126 Yanta Road, Xi’an 710054, China
2. Geologic Team 212 of ShanxiProvincial Geological Prospecting Bureau, Changzhi 046000, China
3. College of Earth Sciences, Guilin University of Technology, Guilin 541006, China
4. Department of Earth and Environmental Sciences, University of Windsor, 401 Sunset Avenue, Windsor, ON N9B 3P4, Canada