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APPLICATION OF 3D APPARENT DENSITY INVERSION OF GRAVITY FIELD IN THE YAOJIALING AREA

SUN Xiao-feng;Public Geological Survey management center of Anhui Province;  
Gravity field data treatment involves in the filed continuation,directional derivative,separation and extraction of local and ambient field,which all belong to separation of gravitational anomaly.Three-dimension apparent density inversion of gravity field is a technology to determine 3D distribution of apparent density of the field source,and the apparent density distribution map directly corresponds to stratigraphic lithology,geological structures and underground ore bodies.The inversion results for the Yaojialing area indicated that the apparent density distribution map well reflected the distribution of strata of different lithology,folds and depressions in the area.
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