Abstract
In this work, via the DC resistivity technique, electricity is injected into the Gabba subsurface for the purpose of delineating subsurface fractures, providing access to stratigraphic information, assisting in groundwater development within the region and ameliorating past existent borehole errors; these benefits are delved towards addressing the acute water shortage problems within the Reverend Sisters’ Convent located at N9°17’26.3894 and E7°25’32.7181 and the Community Health Center at N9°17’31.134 and E7°25’24.540 and a major part of the Gaba II settlement.Vertical sounding technique and Schlumberger electrode array are employed. Five resistivity profile graphs, five iso-resistivty maps and one geo-section generated from varied collated data are presented by employing Winresist and Surfer 8 software. The outcome of results for VES 1, VES 2, VES 3, and VES 4 and VES 5 shows the potential for groundwater at depths of 72.5 m, 81.1 m, 79.4 m, 67.2 m and 72.6 m respectively. All VES measurements were observed on a single traverse of 600 m length.Additionally, the outcome work revealed lateritic top soil, laterite, partially fractured basement, fractured basement and fresh basement strata were revealed. The average thicknesses of lateritic topsoil, laterite, partially fractured basement, and fractured basement are 1.74 m, 9.22 m, 26.96 m, and 36.64 m respectively.
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