Wen-Gang Xu1, Hong-Rui Fan1, Fang-Fang Hu1, M. Santosh2, Kui-Feng Yang1, Ting-Guang Lan1, Bo-Jie Wen1
1Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
2School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China