1. The Information Centre for Resources and Environmental Sciences,CAS,Lanzhou 73000,China;
2. The Bureau of Science and Technology for Resources and Environment, CAS, Beijing 1000864, China;
3. Jilin Bureau of Geological Exploration for Nonterrous Metal Resources, Changchun 130012,China
1. The Information Centre for Resources and Environmental Sciences,CAS,Lanzhou 73000,China;
2. The Bureau of Science and Technology for Resources and Environment, CAS, Beijing 1000864, China;
3. Jilin Bureau of Geological Exploration for Nonterrous Metal Resources, Changchun 130012,China