作者单位:Liang Qiu,Dan-Ping Yan(State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Beijing 100083,China)Li-Ting Fan(No.230 Research Institute of Nuclear Industry,Changsha 410011,China)Shuang-Li Tang(State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Beijing 100083,China;Department of Earth Sciences,The University of Hong Kong,Pokfulam Road,Hong Kong,China)Qing-Yin Guo(China Nuclear Geology,Beijing 100013,China)