Search For Solid Minerals in Some Parts of Nigeria Using Gravity Method

Desmond Okechukwu Ugbor, John Akor Yakubu and Emmanuel Awucha Igwe
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Desmond Okechukwu Ugbor: Department of Physics and Astronmy, University of Nigeria, Nsukka
John Akor Yakubu: Department of Physics and Astronmy, University of Nigeria, Nsukka
Emmanuel Awucha Igwe: Department of Physics and Astronmy, University of Nigeria, Nsukka

International Journal of Research and Innovation in Applied Science, 2025, vol. 10, issue 7, 615-622

Abstract: In this study, gravity method have been used in prospecting for solid minerals in Lafia and Akiri parts of Nigeria. The gravity data were acquired from Nigerian Geological Survey Agency (NGSA), the data were grided, separated into regional and residual fields. The residual field ranges from – 30.5 to 27.7 mGal. First and second vertical derivatives and horizontal derivative were applied to the residual field data, which helped in locating the boundaries of the anomalous bodies and faults respectively. From the forward and inverse modeling method, it was observed that Lafia has limestone that is seated at about 2943 m with density of 2.55 g/cm3 and granite with a density of 2.63 g/cm3 at the depth of 1156 m, while Akiri parts showed abnormal response to forward and inverse modeling which could be due to either inconsistency in the data or the minerals in the area are more susceptible to magnetic field.

Date: 2025
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