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SEPARATION OF TWO‐DIMENSIONAL RESIDUAL GRAVITY ANOMALIES USING LATERAL DENSITY VARIATION *
Author(s) -
SINGH J.,
GARDE S. C.
Publication year - 1974
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1974.tb00065.x
Subject(s) - residual , gravity anomaly , gemology , geology , variation (astronomy) , anomaly (physics) , interpretation (philosophy) , regional geology , density contrast , bouguer anomaly , geodesy , mineralogy , geophysics , geometry , engineering geology , mathematics , algorithm , telmatology , seismology , physics , hydrogeology , geotechnical engineering , paleontology , computer science , oil field , tectonics , condensed matter physics , programming language , volcanism , astrophysics , astronomy
A bstract A set of parabolae is defined to approximate the observed gravity profile for specifying the lateral density variation in a two dimensional causative body. This variation separates the “biased” as well as “unbiased” residual anomaly structure. The method may be directly incorporated into existing numerical and graphical techniques of interpretation for subsequent delineation of structural configuration. The simple relations derived by inspection of the observed gravity profile permit universal application of the technique and in particular for the determination of the size and shape of sub‐shelf structures. The suitability of the method in various problems of two dimensional interpretation has been indicated through an illustration of the Godavari Basin (India).
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