Reinterpretation of aeromagnetic data and contribution to the structural study of the Western part of Kipushi territory in DR Congo


Authors : Fulgence MULOPO SHINGINYEKA, Eli-Achille MANWANA MFUMUKANI, Jean LUKUSA

Volume/Issue : Volume 6 - 2021, Issue 10 - October

Google Scholar : http://bitly.ws/gu88

Scribd : https://bit.ly/3Ej59uz

The mineralization of the Kipushi territory in the Haut Katanga Province in DR Congo has propagated in the surrounding formations along the places where faults meet with lithostratigraphic contacts which seem to be very complex to interpret by direct observation methods. This is how, to overcome this problem, we reinterpreted the old airborne magnetic data that were digitized with the help of new software. The raw data obtained were processed using regional-residual separation methods, derivatives and analytical signal. We observed very high magnetic anomalies but also very fluctuating in the western part of our study area, which allowed us to identify magmatic intrusions as well as several faults which testify to the presence of an intense tectonic activity in this zone. On the other hand, the eastern part is characterized by medium and / or high anomalies varying very slowly. We have established a lineament map that is most certainly related to the mineralization of this zone. The majority of identified lineaments are found in the Roan, Nguba and Kundelungu Groups while others along their contacts. The depth of most of the identified contacts, faults and dykes has been estimated to be less than 1000 m using Euler's deconvolution and Peters half-slope methods.

Keywords : Magnetic Data, Structural Interpretation, Lineaments, Mineralization, Kipushi.

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