[1]Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring;
Ministry of Education;
Changsha410083;
China;
[2]Key Laboratory of Nonferrous Resources and Geological Hazard Detection;
Changsha 410083;
China;
[3]School of Geosciences and Info-Physics;
Central South University;
Changsha 410083;
China;
[1]Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring;
Ministry of Education;
Changsha410083;
China;
[2]Key Laboratory of Nonferrous Resources and Geological Hazard Detection;
Changsha 410083;
China;
[3]School of Geosciences and Info-Physics;
Central South University;
Changsha 410083;
China;
[1]Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring;
Ministry of Education;
Changsha410083;
China;
[2]Key Laboratory of Nonferrous Resources and Geological Hazard Detection;
Changsha 410083;
China;
[3]School of Geosciences and Info-Physics;
Central South University;
Changsha 410083;
China;
wide field electromagnetic data; apparent current; fault identification; virtual equivalent circuit; oil and gas exploration;