作者单位:Li Shasha(931 Team of Guangdong Non-Ferrous Metals Geological Exploration Bureau ,Shantou 515041, China;Geochemistry Department, Chengdu University of Technology, Chengdu 610059,China)李莎莎(广东省有色金属地质勘察局931队;成都理工大学地球化学系,四川 成都610059)Chen Shaoqing,Bu An(931 Team of Guangdong Non-Ferrous Metals Geological Exploration Bureau ,Shantou 515041, China)陈少青,卜安(广东省有色金属地质勘察局931队)