Affiliation: | 1 Cores and Samples Center of Land & Resources, China Geological Survey, Sanhe, Hebei 065201,2 State Key Laboratory of Geological Processes and Mineral Resources, School of Earth Science and Mineral Resources, China University of Geosciences, Beijing, 100083,2 State Key Laboratory of Geological Processes and Mineral Resources, School of Earth Science and Mineral Resources, China University of Geosciences, Beijing, 100083 and 3 Chinese Academy of GeologicalSciences, Beijing, 100037 |