China Nonferrous Metal(Guilin)Geology and Mining Company Limited;
Guilin;
Guangxi 541004;
China;
School of Geology Engineering and Geomatics;
Chang’an University;
Xi’an 710000;
China;
Xi’an Research Institute of China Coal Technology&Engineering Group;
Xi’an 710077;
China;
multiple radiation field sources; exploration of deep mineral resources; transient electromagnetic method;