Data Acquisation and Interpretation of Hydrogeological Survey in Parts of MALETE, Southwestern Nigeria
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Date
2022-07
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Journal ISSN
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Publisher
iosrjournals.org
Abstract
This study was carried out to acquire hydro-geophysical data and provide detailed interpretation of the data in
parts of Malete, Moro local government, Kwara State, Nigeria. The geographical coordinates of the study area
are longitude 8˚ 42’ 0” East and Latitude 4˚ 28’ 0” North. A total of 16 Vertical Electrical Soundings were
carried/ estimated out across three profiles using the Schlumberger electrode array configuration, with current
electrode separation (AB/2) varying from 1m to 80 m. The data obtained were subjected to interpretation by
partial curve matching and then by computer iteration. The interpretation of the VES data also assisted in the
characterization of three to four geo-electric layers from which the aquifer unit was delineated. The layers are
divided into Topsoil, Laterites, weathered basement and Fresh bed rock. The weathered and fractured
basements are the aquifer unit delineated across the area. The thickness of the weathered basement unit varies
from 10.1m to 38.3m in the area.