TITLE

A Combination of Electrical Resistivity and Seismic Refraction Surveys for Ground Water Exploration in Basement Region of Ifon, Ondo State, Nigeria

AUTHOR(S)
Egbai, J. C.
PUB. DATE
May 2011
SOURCE
Australian Journal of Basic & Applied Sciences;2011, Vol. 5 Issue 5, p1007
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A geophysical survey employing seismic refraction and vertical electrical soundings were carried out in parts of Ifon town and environs using a 24 channel seismograph and Abem Terrameter model SAS 1000B with inbuilt booster. The VES has a maximum current electrode separation of 700m. The result of the surveys has enabled the delineation of the aquifer system of the area. Four to five distinct geoelectric layers were observed namely clay, sand of various types, gravel and fresh crystallic basement with resistivities varying from 62.1Om to 18530.0 Om with depth ranging from 1.0m to about 150.3m. The seismic sections show two layers with the first layers showing weathered layers while the second layers shows the fresh crystalline basement. Viable boreholes for good portable water should be sited at locations 2 and 5 (Orin-Oyih River Road II and Orin-Oyih Quarry Site II) having a fine Aquifer at a depth of 41.2m and 31.5m respectively.
ACCESSION #
65070339

 

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