ZHANG Yi-Long, CAO Wen-Geng, LI Jiang, LIU Hai-Kun, YAN Jia, YAN Feng-Lu, DONG Qiu-Yao
1Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Zhengding 050803, China
2Inner Mongolia Geological Exploration Fund Manage Center, Huhhot 100010, China