High-Resolution
Aeromagnetic data for structural features mapping in the Mandjap I area, Douala-Cameroon:
Implications for structurally-controlled Mineralization Prospection
Mono Jean Aimé, Zanga Amougou Alain, Enyegue A Nyam Françoise Martine, Bouba Apollinaire
and Ndougsa Mbarga Théophile
Disaster Advances; Vol. 18(12); 1-18;
doi: https://doi.org/10.25303/1812da01018; (2025)
Abstract
A high-resolution aeromagnetic survey was conducted in the Mandjap I area, situated
in the Pan-African zone (Douala-Cameroon). Various techniques including first vertical
derivative, second vertical derivative, upward extension, signal analysis, spectral
analysis and Euler deconvolution, were employed to highlight the different geological
structures such as faults that could potentially host mineralization in the study
area. The study area's fault system responsible for structuring was revealed through
the current study which reveal a new magnetic-derived structural features with a
high mineral prospection interest.
Based on qualitative and quantitative analysis of the aeromagnetic lineaments, the
main identified directions in our study area are: ENE-WSW, NE-SW, E-W and N-S, with
depths ranging from 78.55 to 287.86 m according to Euler deconvolution. These preferential
directions are consistent with the directions of the great Pan-African tectonic
structures of Cameroon. Furthermore, based on spectral analysis, the calculated
depth of magnetic sources ranges from 0.258 km for shallow sources to 0.542 km for
deep sources, indicating a shallow magnetic basement.
