1. State Key Laboratory of Mineral Processing, BGRIMM Technology Group, Beijing 102628, China
2. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China
3. Key Laboratory of Paleomagnetism and Tectonic Reconstruction, Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
4. 205 Geological Team, Chongqing Bureau of Geology and Mineral Resources Exploration, Chongqing 402160, China