Groundwater Exploration in the Basement Complex Around Chibok Area in North- Eastern Nigeria Using Vertical Electrical Sounding Method

Abdullahi, Ibrahim; Yelwa, Nura Abdulmumini; Abdulmumin, A.; Nabage, N. A.

doi:10.4314/njbas.v24i2.6

Cited by 6 publications

(4 citation statements)

References 3 publications

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“…The Very Low Frequency Electromagnetic Method has proven to be effective in groundwater studies [22,1,17,5,19]. Its usefulness in groundwater exploration, investigating fracture zones, impact of solid waste disposal in the quality of groundwater, detecting the protective capacity of aquifers cannot be overemphasized.…”

Section: Study Location and General Geologymentioning

confidence: 99%

Investigation of Groundwater Potential Using Electromagnetic Method at a Basement Complex Area of University of Abuja, Gwagwalada

Adokiye

Mallam

2021

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The Very Low Frequency Electromagnetic Method (VLF-EM) was used in view of detecting fractured or weathered zones within the University of Abuja Staff Quarters, Gwagwalada, Federal Capital Territory. The VLF -EM data measured along seventeen profiles of 400m at inter profile distance of 25m and interstation separation of 10m were done using the Scintrex ENVI Instrument. The VLF-EM survey revealed features significant to groundwater potential as conductive zones in the Fraser Filter maps and current density pseudosections. Three distinct zones were delineated based on the current density distribution. The fresh basement terrain corresponds to the highly resistive zone with current density value less than -20. The intermediate zone has current density value range of -20 to 25 typical of rocks and soil component which are slightly resistive to slightly conductive and corresponds to the partially saturated units. The third zone is highly conductive with current density value greater than 30 which includes the saturated weathered or fractured basement, fault zones, clay units and saturated sandy units within the study area. The north eastern, north western (profiles 1-8) and some parts of the southern region (profiles 16 and 17) of the study area show higher conductive zones than the central parts of the study area. This survey has helped in detecting sites that are suitable for groundwater exploration by identifying water bearing fractures and weathered zones in the study area. The areas with high conductivity response are areas with conductive overburden material such as clayey soil, saturated soil, water filled fractures and faults or weathered zone within the basement.

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Section: Study Location and General Geologymentioning

confidence: 99%

Investigation of Groundwater Potential Using Electromagnetic Method at a Basement Complex Area of University of Abuja, Gwagwalada

Adokiye

Mallam

2021

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“…The hills extend into the Republic of Cameroon. Previous works in the Hawal Basement Complex include Bassey (2006a,b), Unachukwu (2014), Kwache and Ntekim (2014), Abdulahi et al (2016) and several others. These authors worked in different capacities but each of them reported the occurrence of gneisses, migmatites, Older granites and Tertiary Basalt within the region.…”

Section: Location and Geologic Settings Of The Study Areamentioning

confidence: 99%

Structure and tectonics of Hong Hills in Hawal Precambrian Basement Complex, North East Nigeria

Bassey¹,

Udinmwen²

2019

J. Geol. Min. Res.

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The tectonics and impact of the Pan-African orogeny on the Hong Hills area of North Eastern Nigeria has been unraveled. This work basically used structural identification and tectonic inference to decipher the deformation episodes in this region. The results show that this area was subjected to multiple episodes of deformation and there were evidence of reworking of older structures by younger ones. Foliation, folds and dykes/vein data suggests that the metamorphic rocks in this area experienced a predominant E-W compression during the Pan-African Orogeny. Structural evidence and the presence of dominant ductile shear zones also confirm that the deformation in this region is predominantly ductile. The relatively younger granite intrusions show structural trends which are consistent with the closing periods of the Pan-African Orogeny. Evidences show the emplacement of these plutons followed regional structural direction defined by major fold trends and rock foliation. Salient isolated features suggest the occurrence of pre Pan-African orogenic structures but there aren't enough data or evidences to buttress this claim. From this work, we can safely say that the Hong Hills region is a complex Pan-African zone with two major episodes of deformation.

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“…This is because if such investigations are not carried out in advance and the drilling or digging of wells is undertaken, then everything may result futile if sufficient and good quality water is not available. There are different methods of geophysical techniques however, the electrical resistivity method has been successfully used in recent time by numerous authors [1][2][3][4][5] to investigate the groundwater potentials.…”

Section: Introductionmentioning

confidence: 99%

Geophysical Investigation of Groundwater Potentials Using Resistivity Method: A Case Study of Abu Phase Ii Students’ Hostel

OGBOZIGE¹,

SANI²

2022

JESR

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Geophysical survey for groundwater was conducted in two newly built halls of residence (hostels) named Dangote and Shehu Idris at the second phase of Ahmadu Bello University (ABU), Zaria in Nigeria. The vertical electrical sounding (VES) technique of resistivity method was employed with Schlumberger array in seven VES points distributed within the two hostels. Results showed that 4 to 6 geoelectric layers exist within the study area for a spacing of at most 200 m between current electrodes. The resistivity values of the geoelectric layers in all the VES points ranged from 26.6 Ωm – 30342 Ωm while the thickness and depth ranged from 0.263 m – 40.34 m and 0.572 m – 50.66 m respectively. However, four VES points (two in each hostel) were identified to be suitable for borehole drilling though, three out of these four VES points have single aquifer in each with resistivity and thickness ranging from 34.4 Ωm – 40.57 Ωm and 2.02 m – 7.49 m respectively. Conversely, the fourth VES point has two aquifers positioned at the third and fifth layers with resistivity values ranging from 26.6 Ωm – 51.4 Ωm and thickness ranging from 1.93 m – 18.7 m. It was recommended that among the four VES points (two in each hostel) identified to contain aquifers, priority should be given to the ones with larger thickness in each hostel.

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Groundwater Exploration in the Basement Complex Around Chibok Area in North- Eastern Nigeria Using Vertical Electrical Sounding Method

Cited by 6 publications

References 3 publications

Investigation of Groundwater Potential Using Electromagnetic Method at a Basement Complex Area of University of Abuja, Gwagwalada

Investigation of Groundwater Potential Using Electromagnetic Method at a Basement Complex Area of University of Abuja, Gwagwalada

Structure and tectonics of Hong Hills in Hawal Precambrian Basement Complex, North East Nigeria

Geophysical Investigation of Groundwater Potentials Using Resistivity Method: A Case Study of Abu Phase Ii Students’ Hostel

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