1. College of Mining, Liaoning Technical University, Fuxin 123000, Liaoning, P. R. China
2. Liaoning Key Laboratory of Green Development of Mineral Resources, LNTU, Fuxin 123000, Liaoning, P. R. China
3. Northeast Geological S&T Innovation Center of China Geological Survey, Shenyang 110044, Liaoning, P. R. China
4. Heilongjiang Institute of Natural Resources Survey, Harbin 150036, Heilongjiang, P. R. China
5. Liaoning Institute of Geology and Mineral Resources Company, Limited, Shenyang 11000, Liaoning, P. R. China