Geophysical features of Douala Sedimentary Basin inferred from the analysis of Aeromagnetic data
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 11
Abstract
The Douala Sedimentary Basin (DSB) isacoastalsedimentary basin withbasement made up of granite and gneiss. Itscomplextectonicswasbornedfrom the separation of African and American plates. The first geological sketch wascarried out in 1955 by Hourq and supplemented by variousstratigraphsworking in the petroleumfield and the synthesis of theirresultscan help today to determine a seriousstratigraphy of the geological stages and formations of the basin. To supplementthis information, we are going to use the aeromagnetic data collected by CGG society in 1980 to bring out the geologicalfeatures of the study area. To achievethis, we first proceedwith the Blakely and Simpson method to determine the maxima of the maps of the horizontal gradient and of the analytic signal, then, next, analyse them in orderto bring out the differentlineaments, and finally, interprettheselineaments in order to bring out their nature. To verify the validity of ourresults, we have drawn up Euler’sdeconvolutionmapwhichreveals the existence of manyfaultsthatpreviousstudies have not been able to point out.
Authors and Affiliations
Alain Rodrigue Nzeuga, Robert Nouayou, Philippe Njandjock Nouck, James Derek Fairhead
Keywords
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