Xu Deru1,2, Gu Xuexiang3, Li Pengchun1, Chen Guanghao1, Xia Bin1, Robert Bachlinski2, He Zhuanli1, Fu Gonggu1
1Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
2Institute of Geological Sciences, Polish Academy of Sciences, 00-818 Warszawa, Poland
3College of Earth Sciences and Resources, China University of Geosciences, Beijing 100029, China