1. School of the Earth Science and Mineral Resources; China University of Geosciences; Beijing 100083 China
2. MLR Laboratory of Metallogeny and Mineral Assessment; Institute of Mineral Resources, Chinese Academy of Geological Sciences; Beijing 100037 China
3. Technology and International Cooperation Department; Ministry of Land and Resources; Beijing 100812 China
4. CNNC Beijing Research Institute of Uranium Geology; Beijing 100029 China