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Aninterpretation of high resolution aeromagnetic data was carried out to providenew information about the study area. Located between latitude 10°30-N and 11°00-N and longitude 8°30-E and 9°00-E, the interpretation revealedpreviously unknown folds and magnetic anomaly with a signature that is similarto those associated with ring complexes in the study area but without thesurface manifestation that is associated with the complexes. Qualitativelyinterpreted as unexposed ring complex, the magnetic anomaly is underlain bycross-over of major lineaments; implying presence of weak zone that probablyallowed the volcanic eruption that initiated the emplacement of the source ofthe anomaly. A depth that ranges from outcrop to 1200 m and from outcrop to1800 m is respectively suggested for the unexposed ring complex and folds bythe Euler deconvolution results.

KEYWORDS

Aeromagnetic; Euler Deconvolution; Ring Complex; Lineaments; Folds

Cite this paper

Raimi, J. , Dewu, B. and Sule, P. 2014 An Interpretation of Structures from the Aeromagnetic Field over a Region in the Nigerian Younger Granite Province. International Journal of Geosciences, 5, 313-323. doi: 10.4236-ijg.2014.53031.





Autor: J. Raimi, B. B. M. Dewu, P. Sule

Fuente: http://www.scirp.org/



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