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Generally, the horizontal gravity gradient map resulted from Bouguer anomaly reflect quite well the planar distribution of the faults with large scale in the area of XX block under study. But volcanic rocks developed at some locations in Eocene may disturb, to some extent, the extraction of fault information from gravity anomalies, therefore only gravity data are constrained for proper interpreting the faults in the basement. On another hand, the information of magnetic anomaly, especially paternoster magnetic anomalies and the magnetic anomalous features depicted by the first- vertical derivative map are mainly related to faults. This paper presents a case to identify the fault system by using gravity and magnetic data, and finally the reliable fault system is inferred.
Challenges in Environmental Science and Computer Engineering (CESCE), 2010 International Conference on (Volume:2 )
Date of Conference: 6-7 March 2010