作者单位:GUO Wenbo(Electronic & Information Engineering,Xi'an Jiaotong University,Xi'an 710049,China;Geophysical & Geochemical Exploration Team,Bureau of Geology for Non-ferrous Metals in Northwest China,Xi'an 710068,China)郭文波(西安交通大学电子与信息工程学院,陕西西安710049;西北有色地勘局物化探总队,陕西西安710068)LI Xiu,QI Zhipeng(College of Geology Engineering and Geometrics,Chang'an University,Xi'an 710054,China)李貅,戚志鹏(长安大学地质工程与测绘学院,陕西西安710054)LIU Yin'ai(Geophysical & Geochemical Exploration Team,Bureau of Geology for Non-ferrous Metals in Northwest China,Xi'an 710068,China)刘银爱(西北有色地勘局物化探总队,陕西西安710068)