Integration of Aeromagnetic Interpretation and Induced Polarization Methods in Delineating Mineral Deposits and Basement Configuration within Southern Bida Basin, North-West Nigeria

U, Ayatu Ojonugwa; C, Chukwudi Ezeh; Chinwuko, Augustine Ifeanyi

doi:10.4172/2381-8719.1000449

Cited by 4 publications

(5 citation statements)

References 15 publications

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“…The major lineament structural trends defined from the shaded relief map ( Figure 5) are NE-SW while the minor trends are visible along E-W and NW-SE directions. The lineament trends obtained here is in confirmation with previous studies carried out within the Bida Basin and its surrounding Basement Complex (Ikumbur et al, 2013, Obaje, et al, 2013, and Ojonugwa et al, 2018. Juxtaposing these lineaments on the geological map of the area, it depicts that the lineament orientations are predominately within the area underlain by basement rocks compared with the area covered by sedimentary basin.…”

Section: Lineament Trendsupporting

confidence: 90%

“…Immediately after obtaining the main amplitude, the next was to obtain the gradient of the linear segments of the first and second longest wavelengths of the spectrum as discussed by previous authors (Bhattacharyya, 1966, Bhattacharyya and Leu, 1975, Okubo et al, 1985, Tanaka et al, 1999, Nwankwo and Ekine, 2010, Frashëri et al, 2011, Mandal et al, 2013, Abraham et al, 2015, Singh and Biswas, 2016, Ojonugwa et al, 2018.…”

Section: Methodsmentioning

confidence: 99%

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Evaluation of thermomagnetic properties and geothermal energy potential in parts of Bida Basin, Nigeria, using spectral analysis

Okonkwo¹,

Chinwuko²,

Onwuemesi³

et al. 2020

Bulletin of the Mineral Research and Exploration

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Thermomagnetic properties and geothermal energy potential in parts of Bida Basin, Nigeria have been evaluated using spectral analysis of integrated nine aeromagnetic data. The study area covering 27,225km 2 of aeromagnetic data was examined and construed in order to delineate the thermal properties of the country rock in the area. The result of the visual inception of residual map reveals that the area comprises an extremely irregular pattern of magnetic intensities that range from 220 to 240nT. Two structural features of folding evidence were also delineated in the area namely; uplift and depression. The result of the lineament structures from the shaded relief map and Rose diagram depicts NE-SW as the major trend with the minor trend in NW-SE. Two depths to magnetic sources were distinguished in the area: the shallower bodies which vary from 1.27 to 1.96km and the deeper bodies that vary from 2.01 to 4.27km. The result also shows an average depth to the centroid as 12.97km in the area. The thermomagnetic properties analysis show average values of 23.12km Curie isotherm, 25.27 o C/km geothermal gradients and 63.17mWm 2 heat flows in the area. The study concludes that the study area possess good potential quality for geothermal energy generation and exploration.

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Section: Lineament Trendsupporting

confidence: 90%

Section: Methodsmentioning

confidence: 99%

Evaluation of thermomagnetic properties and geothermal energy potential in parts of Bida Basin, Nigeria, using spectral analysis

Okonkwo¹,

Chinwuko²,

Onwuemesi³

et al. 2020

Bulletin of the Mineral Research and Exploration

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show abstract

“…Bello et al 2017, Idarraga-García & Vargaz, 2018Aliyu et al, 2018). Moreover, some publications use the wrong equations or units (Usman et al, 2018). Errors like these automatically invalidate the results obtained, since they lack physical and geological meaning.…”

Section: Considerations About the Centroid Methodsmentioning

confidence: 99%

“…Dolmaz et al, 2005a;Qingqing et al, 2008;Bilim et al, 2011;Hisarli et al, 2011, Githiri et al, 2012Saleh et al, 2012;Hsieh et al, 2014;Afshar et al, 2016;Mousa et al, 2017;Aydemir et al, 2018;Quintero et al, 2019), some others use a wrong unit system (e.g. Azab, 2014;Usman et al, 2018).…”

Section: Unit Systemsmentioning

confidence: 99%

Review of Curie point depth determination through different spectral methods applied to magnetic data

Demarco

Prezzi

Bettucci

2020

Geophysical Journal International

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Summary Spectral methods have been applied for more than 40 years to calculate the depth to magnetic sources and the Curie point depth or Moho depth. Unfortunately, conceptual, theoretical and methodological errors, as well as, subjective approaches and lack of rigor in the application of the method are common. This has affected reproducibility, credibility and confidence in this method. We carried out a detailed mathematical and methodological revision of the spectral methods (centroid, spectral peak, forward and fractal methods) applied to magnetic data for the determination of the depth to magnetic sources. Moreover, a systematic analysis of more than 110 articles was done in order to compile and compare the different approaches and values of key parameters used by different authors in their calculations. We discuss difficulties, conditions and methodological procedures, as well as several misapplications and misinterpretation of the different methods.

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“…A 2D resistivity survey was targeted at determining the lateral extents of the coal seam, resistivity values associated with the coal seam and depth to the coal seam (Ojonugwa, et al 2018). Geo-electrical resistivity surveying has improved and has become a vital and worthwhile tool in groundwater investigation, mineral exploration and exploitation, environmental and engineering geology etc.…”

Section: Introductionmentioning

confidence: 99%

2-Dimensional Resistivity Imaging of Inyi Coal-Field, Anambra Basin, Nigeria

Ezeh

Oti

Usman

et al. 2022

JLMA

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2-Dimensional resistivity imaging of Inyi coalfield has been carried out with a view of imaging the coal field for possible location and future exploitation of the coal seam in the area and to carry out detailed geological mapping aimed at producing the geologic map of the area and to provide recommendations for managing the exploitation and exploration of solid minerals in the area. ABEM Terrameter SAS 1000 was used for resistivity data collection and Wenner-Schlumberger array electrode configuration was used because of its sensitivity to both horizontal and vertical structures. 2-D imaging was targeted at determining the lateral extent of the coal seam, the depth to the coal seam and the thickness of the coal seam. 50 VES points was conducted to help in delineating lithology and to be used in correlating 2-D results. Result reveals a resistivity values ranging from 600Ωm to 45000Ωm around the surveyed area. It also show that the coal in the area occurred at varying depth between 4m to about 14.3m which could be extensive below this depth and the thickness ranging from 1m to 3m. Twenty one (21) points of coal seams was identified using VES at various depths ranging from about 0.9m to 23m. The thickness of the coal seams found in the area ranges from about 0.2m to 4m. The coal in the study area is disseminated and occurred at shallow depth hence it’s not in economic quantity but the coal can be mined locally.

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Integration of Aeromagnetic Interpretation and Induced Polarization Methods in Delineating Mineral Deposits and Basement Configuration within Southern Bida Basin, North-West Nigeria

Cited by 4 publications

References 15 publications

Evaluation of thermomagnetic properties and geothermal energy potential in parts of Bida Basin, Nigeria, using spectral analysis

Evaluation of thermomagnetic properties and geothermal energy potential in parts of Bida Basin, Nigeria, using spectral analysis

Review of Curie point depth determination through different spectral methods applied to magnetic data

2-Dimensional Resistivity Imaging of Inyi Coal-Field, Anambra Basin, Nigeria

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