Abstract
A method to compute the gravity anomalies of strike limited listric fault structures among which the density contrast varies continuously with depth is presented along with a program, LSTRKFALTG. The expression for the gravity anomaly due to a listric fault structure having finite strike length is derived in the space domain using both analytical and numerical approaches. The main program is supported with a subroutine SIMP. Calculation of gravity anomalies at different offsets across a synthetic fault structure reveals the fact that the offset of the profile controls the magnitude of the gravity anomaly. Sample input and output data files pertaining to a synthetic fault model are presented. The validity and efficacy of the method is demonstrated with a real field example.
Published Version
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