Browsing by Author "Omosuyi, Gregory"
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Item Integration of Magnetic, Gravity and Geologic Data in Mapping Geologic Structures: A Case Study of a Part of Lafiagi (Sheet 203), Southwestern Nigeria.(AAPG Datapages, Inc., 2015-11-30) Olawuyi, Kehinde; Ako, Bankole; Omosuyi, Gregory; Adelusi, ObasanmiStructural evaluation of the pegmatite-rich zones in a part of the Lafiagi (Sheet 203), southwestern Nigeria was carried out. It was aimed at the identification of the structures responsible for both the hydrogeology and rich mineralization of the area. This work involved the qualitative and quantitative analysis of aeromagnetic, pseudo-gravity, and geological data using Oasis MontajTM and Rockwork15TM software. The 3-D Euler Deconvolution and 2-D Forward modeling and inversion of the acquired aero-magnetic and pseudo-gravity data augmented with geological information obtained from reliable sources were employed in the lineaments extraction and other structural interpretation works. The results have shown that the identified faults and lineament features obtained from geophysical data generally coincide with the river channels on the geologic and drainage maps. This indicates a structural control of the drainage system while the abundance of 2D and 3D structures that are commonly associated with gemstones and precious minerals explain why the study area is rich in mineral deposits.