Detection of Fracture Zones for Groundwater Investigation from Interpretation of VLF-EM Anomalies of Kwara State Polytechnic Ilorin and its Environs
Keywords:
very low frequency –electromagnetic (VLF-EM), moro lga, abem wadi, em anomalies, fracture zones, groundwater
Abstract
The Very Low Frequency-Electromagnetic (VLF-EM) geophysical methods have been used to map selected settlements in Kwara State Polytechnic (Permanent Site) and its environs, Ilorin, Northcentral Nigeria with a view to determine the groundwater potential of the area. A total of thirteen (13) profiles were covered during VLF data collection with 20m sample interval along each profile with spread length of between 100m. The VLF data were collected using ABEM WADI instrument. The data were interpreted using KHFFILT software. The qualitative interpretation of the acquired VLF-EM data identified areas of hydro-geologic importance. The results further showed that the EM anomalies vary greatly. Some of the anomaly peaks are narrow and sharp while others are broad with varying width extent. The values of the filtered real range from -0.9 to 22.5 across the study area. The study area is adjudged, based on the VLF data interpretation which indicates the presence of interconnected fracture zones, to have potentially good prospects for groundwater development; while recommendation is made for further geophysical methods to be employed in order to detect suitable locations for productive and sustainable borehole.
Downloads
- Article PDF
- TEI XML Kaleidoscope (download in zip)* (Beta by AI)
- Lens* NISO JATS XML (Beta by AI)
- HTML Kaleidoscope* (Beta by AI)
- DBK XML Kaleidoscope (download in zip)* (Beta by AI)
- LaTeX pdf Kaleidoscope* (Beta by AI)
- EPUB Kaleidoscope* (Beta by AI)
- MD Kaleidoscope* (Beta by AI)
- FO Kaleidoscope* (Beta by AI)
- BIB Kaleidoscope* (Beta by AI)
- LaTeX Kaleidoscope* (Beta by AI)
How to Cite
References
K Adiat, G Olayanju, G M; Omosuyi, Ako (2009) Electromagnetic profiling and electrical resistivity soundings in groundwater investigation of a typical basement complex -A case study of Oda town South western Nigeria. 333-363.
O Alagbe, L Sunmonu, M Adabanija (2013) Study on the Groundwater Accumulation of Oke-Ogba Area using Groundmagnetic Survey. 14(4), 1-5.
U Amadi, S Nurudeen (1990) Electromagnetic survey and the search for groundwater in the crystalline basement complex of Nigeria. 45-53.
O Deborah, O Ayobami (2013) Unknown Title. 420-431.
George M;Abong, A Obi, D (2013) Fracture zone detection using very low frequency (VLF) electromagnetic method in parts of Oban Massif, southeastern Nigeria. 104-121.
Roger Guerin, Alain Tabbagh, Pierre Andrieux (1994) Field and/or resistivity mapping in MT-VLF and implications for data processing. 59(11), 1695-1712.
R; Geurin, A; Tabbagh, Y Benderitter, P Andrieux (1994) Invariants for correcting field polarisation effect in MT-VLF resistivity mapping. 375-383.
J Mcneill (1980) VEHICLE IDENTIFICATION NUMBERS-SNOWMOBILE AND ALL-TERRAIN VEHICLES. 15.
J Mcneil (1985) The galvanic current component in electromagnetic surveys. 17.
J Mcneill, V Labson (1991) 7. Geological Mapping Using VLF Radio Fields. 521-640.
Levi Nwankwo (2011) 2D Resistivity Survey for Groundwater Exploration in a Hard Rock Terrain: A Case Study of MAGDAS Observatory, UNILORIN, Nigeria. 4(1), 46-53.
L Nwankwo, P Olasehinde, O Bayewu (2004) Depth estimates from a ground magnetic survey across a North- South trending geologic structure in a part of the basement complex terrain of Ilorin, west of central Nigeria. 13(2), 1676-1682.
D Mohamed, A ; Haydar, Alain (1998) Interpretation of VLF-EM anomalies of 3D structures by using linear filtering techniques. 151-163.
M Olorunfem, M Dan-Hassan, J Ojo (1995) On the scope and limitations of the electromagnetic method in groundwater prospecting in a Precambrian basement terrain - a Nigerian case study. 20(2), 151-160.
K Ozegin, A Oseghale, E Ogedegbe (2012) Unknown Title. 475-480.
G Palacky, I Ritsema, De Jong, S (1981) Electromagnetic prospecting for Groundwater on the Republic of Upper Volta. 932-955.
S Sharma, V Baranwal (2005) Delineation of groundwater-bearing fracture zones in a hard rock area integrating very low frequency electromagnetic and resistivity data. 57(2), 155-166.
L Sunmonu, O Alagbe (2011) Groundmagnetic study to locate buried faults (A case study of abandoned Local Government Secretariat in Ogbomoso). 70-75.
A Tabbagh (1985) The response of a three-dimensional magnetic and conductive body in shallow depth electromagnetic prospecting. 81(1), 215-230.
A Theophilus, A Lukman (2012) Groundwater survey to investigate on the fault pattern of industrial estate, Ogbomoso, Southwestern Nigeria. 3142-3149.
Published
2019-05-11
Issue
Section
License
Copyright (c) 2019 Authors and Global Journals Private Limited
This work is licensed under a Creative Commons Attribution 4.0 International License.