Abstract

Analysis of aeromagnetic data from the Nigerian continental mass reveals magnetic lineations and regions of distinct magnetic character and field level which are interpreted as expressions of tectonic features related to igneous intrusives of various ages. The total field magnetic intensity data derives from the crystalline shield area with its characteristic Jurassic granitic ring complexes and Neogene volcanics, and the Benue Trough which is considered to be a failed-rift arm. Classical analytical techniques were adopted for upward and downward continuation, frequency domain filtering of the data, and for the interpretation of surface and subsurface structures in the area. Major intrusives and fault zones were clearly delineated. The results of the analyses also revealed aspects of the regional tectonic framework of West Africa and its relationship with major structures in the adjacent Atlantic basins.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.