Abstract— The aim of this study is to investigate the boundaries of geological structures of the western part of Iraqi Western Desert using aeromagnetic and Bouguer gravity data. To achieve this, The CET (Centre for Exploration Targeting) Grid Analysis extension was applied to aeromagnetic and gravity data, and It is supposed that the provide results are unbiased. Decompensative anomaly map of an isostatic residual gravity anomaly map shows NNW maxima trend in western part of the study area, while the eastern part shows NS minima, where this gravity low is thought to be an important basin. The reduced to the pole magnetic map in general agrees with the gravity interpretation, however there are some differences related to the magnetic susceptibility variations within the basement. The basement topography was furthermore estimated using Oasis Montaj that based on Bill Pearson’s implementation of R. L. Parker’s algorithm (1972). Four sets of lineaments were determined using the CET grid and derivative analysis. These lineaments are thought to be related to the formation of the basins in the Western Desert.
Keywords— Iraq, Aeromagnetic methods, Gravity methods, Lineaments Determination.
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