Subsurface Structural Mapping for Groundwater Resource Development of a Part of Tudun-Fulani North- Central Nigeria Using Radial Vertical Electrical Sounding Technique
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 8
Abstract
The primary target for the development of groundwater resources in crystalline rocks of the basement complex are fractures which aid in enhancing their secondary porosities thus, making them aquiferous. It is to this end that Radial Vertical Electrical Sounding (RVES) in combination with detailed geologic and hydrogeologic mapping was employed to provide information about the subsurface structure and lithology with the aim of evaluating the groundwater potential of Tudun-Fulani area in Minna, North-central Nigeria. The study area is composed entirely of granitic rocks. A total of Nine RVES were made along three profiles of three sounding stations each within an area of 2km2. Geophysical sounding data obtained were used to produce Vertical Electrical Sounding (VES) curves, electrical pseudosections, geoelectrical sections and anisotropy polygons of the area. VES curves reveal that the area is generally characterised by three geo-electric layers. Resistivities and depths of top soil layer range from 15 Ωm to 167 Ωm and 1.3 m to 17.5 m respectively. The middle layer consisting of slightly weathered rocks have resistivity values ranging from 26 Ωm to 777 Ωm and depths of 4.6 m to 27.7 m. Generally, the area has not undergone appreciable weathering which is evident from the isopach map which showed that the average depth to basement is about 10 m. Iso-resistivty map show a trend of increasing resistivity values from the north-western portion of the map to the south-eastern part. Anisotropy polygons showed no definite joint direction which is in complete agreement with measurements made at the surface. RVES has been able to prove its usefulness in resolving the orientation of subsurface structures. However, the area does not have good groundwater potential because fractures mapped were not deep seated and interconnected.
Authors and Affiliations
Ejepu, S. J
Keywords
Related Articles
- EP ID EP148353
- DOI -
- Views 61
- Downloads 0
The Effect of Additives on Diesel Engine Emissions: An Experimental Investigation
This research work investigates that the emission characteristics of diesel engine by using additive Diisopropyl ether with neat diesel. The additives are mixed with standard diesel in the concentration of 5%, 10%...
CLASSIFYING THE STUDENTS AT RISK THROUGH THE PERFORMANCE REFLECTED IN PRE-REQUISITE AND NATURE OF MODULE IN HIGHER EDUCATIONAL SYSTEM
Educational institutions are growing diametrically to stand internationally in providing honorable merit employable graduates. Future prediction should be essential factor in an institute to take additional effort...
Study of Rear Impact Analysis using Sled Procedure
Rear impact on seat structure and Procedure of sled testing, safety requirement can be decided by deformation and damage caused during sled testing it is kind of dynamic analysis. The projected seat went a complet...
Wear Debris Analysis of Internal Combustion Engine by Ferrography Technique
IC engines are typically used for the auto vehicles. These engines are necessary for the auto as just like the heart for soul. Because the heart of soul is fail whole system of body additionally fail. Same issue i...
Alternative Refrigerants: A Review
During the last decade, substantial research activities have been undertaken regarding refrigeration cycles and systems with particular emphasis on the replacement of refrigerants like R134a by refrigerants like...