A Gradient Analysis-Based Study of Aeromagnetic Anomalies of Some Dikes in the Nupe Basin of Nigeria.

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dc.contributor.authorOlasehinde, Ibikunle
dc.contributor.authorOlawuyi, Kehinde
dc.date.accessioned2021-05-06T09:25:04Z
dc.date.available2021-05-06T09:25:04Z
dc.date.issued2013
dc.description.abstractAn aeromagnetic intensity contour map of a part of Nupe Basin of Nigeria was acquired, digitized and analysed. This work was carried out for a better understanding of the study area using the Gradient analysis-based technique to calculate depth to basement and to interpret the aeromagnetic anomaly map of the area. Statistical method of Olasehinde (1991) was employed to produce a geological map of the area. Regional-residual separation of the total intensity map was done to produce a residual aeromagnetic intensity data. Depths to the magnetic source bodies were estimated from the profiles obtained from residual data using Pal’s (1985) gradient analysis method. The estimated depths ranged from 0.44km to 1.67km which agrees with those predicted by some earlier workers on the Nupe Basin. These depths fall within the lithospheric layer of the earth and the causative magnetic anomalies body are likely basic intrusives. While this approach appears cheap, accurate and cost-effective, it is recommended that other ground geological and geophysical techniques be applied to further strengthen the assertions made in this work.en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/5056
dc.publisherFederal University of Technology, Minna, Nigeria.en_US
dc.subjectGradienten_US
dc.subjectDigitizeden_US
dc.subjectAeromagneticen_US
dc.subjectIntensityen_US
dc.subjectRegionalen_US
dc.subjectResidualen_US
dc.subjectIntrusiveen_US
dc.titleA Gradient Analysis-Based Study of Aeromagnetic Anomalies of Some Dikes in the Nupe Basin of Nigeria.en_US
dc.typeArticleen_US

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