Delineation of shallow groundwater aquifers in the coastal plain sands of Calabar area (Southern Nigeria) using surface resistivity and hydrogeological data
AE Edet, CS Okereke - Journal of African Earth Sciences, 2002 - Elsevier
A combination of surface resistivity and hydrogeological data has been used to identify
different water bearing horizons within the coastal plain sands of the Calabar area in
southern Nigeria. Results show that two major water bearing horizons exist in the area:(i) an
upper zone consisting of medium-to coarse-grained sands and gravels having a mean
formation resistivity of 1500 Ω m (gravelly zone) and (ii) a lower zone consisting of fine-to
medium-grained sands with a mean formation resistivity of 320 Ω m (sandy zone). The …
different water bearing horizons within the coastal plain sands of the Calabar area in
southern Nigeria. Results show that two major water bearing horizons exist in the area:(i) an
upper zone consisting of medium-to coarse-grained sands and gravels having a mean
formation resistivity of 1500 Ω m (gravelly zone) and (ii) a lower zone consisting of fine-to
medium-grained sands with a mean formation resistivity of 320 Ω m (sandy zone). The …
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