孙桂华,李锦轶,杨天南,王瑜,高立明,郝素凤;SUNGuiHua~1 LI JinYi~1 YANG TianNan~1 WANG Yu~2 GAO LiMing~3 HAO SuFeng~4 1.Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037,China 2.Geologic Laboratories Center,China University of Geosciences,Beijing 100083,China 3.Zhongfei Geological Engineering Exploration Academy,Beijing 100102,China 4.College of Vehicle and Resources,Yanshan University,Qinhuangdao 066004,China;