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Abstract

An interpretation of regional aeromagnetic-survey data for Baluchistan Province, Pakistan, demonstrates important implications of magnetic data with regard to plate tectonics as well as to mining and hydrocarbon and ground-water exploration.

Magnetic anomalies in the western part of the survey show the locations of intrusive magmatic belts that have been uplifted and displaced through thrust faulting as a consequence of oceanic-crust subduction. Observed copper and iron deposits are spatially related to the intrusive bodies. Fifty-two sites that involve magnetic features prospective for porphyry-type and metasomatic-type mineralization have been identified from the survey data and are recommended for mining exploration. For the eastern part of the survey, magnetic anomalies show the presence of Precambrian basement rocks developed in a north-trending structure at depths varying from 5 000 to 14 000 m. Structures in sedimentary rocks overlying this structure may have hydrocarbon potential. In addition, magnetic depth determinations in the arid western part of the survey show the positions of 14 sediment-filled depressions which are targets for ground-water exploration.

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