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ABSTRACT
The experimental approach of two-dimensional (2D) geoelectrical resistivity imaging in which the resistivity is allowed to vary both laterally along and vertically beneath the survey line but constant in the perpendicular direction was carried out for mineral exploration.
A series of 2D apparent resistivity data were generated in a parallel and perpendicular direction using Wenner array electrode configuration engaging Pasi-Earth Resistivity meter. 10m electrode separations (interline spacing) in the study area was adopted.
The 2D data sets were collated and inverted separately using RES2DINV software producing 2D model for the various transverses, precisely two. These survey locations were observed to be composed of topsoil, dry sand, sand (partially saturated) and sand (saturated). In UGBOGIOBO area, the resistivity of the topsoil varies from 1109 - 2377 Ωm, dry sand (1154 – 2377 Ωm), partially saturated sand (1109 – 1912 Ωm) and saturated sand (341 – 512 Ωm).
