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Aeromagnetic Interpretation of Basement Structures and Geometry in Parts of the Middle Benue Trough,North Central,Nigeria

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Advances in Geological and Geotechnical Engineering Research 2022年第4期4卷 22-40页

作者： Esho Oluwaseyi Olatubosun osisanya olajuwon wasiu Ibitoye Taiwo Abel Ajibade Femi Zephaniah Tokunbo Sanmi Fagbemigun Department of Geology University of IbadanIbadanNigeria Department of Physics University of BeninBeninNigeria Department of Petroleum Engineering and Geosciences Petroleum Training InstituteEffurunNigeria Department of Geophysics Federal UniversityOye-EkitiNigeria

The research of an analysis of aeromagnetic data collected in the middle Benue Trough in north-central Nigeria is presented.A detailed analysis of basement structures is conducted in order to identify regions with high hydrocarbon potential that is different from those discovered by earlier *** data were filtered by using the Butterworth and Gaussian filters,transformed by engaging the reduction to the equator technique,and subsequently *** estimate magnetic basement depths at various places throughout the basin,the Euler deconvolution depth weighting approach was ***(11)sub-basins with depths ranging from-2000 m to-8000 m were also identified by Euler’s *** sub-basins trend in the NE-SW direction while the average sediment thickness is found to be more than 3 *** extracted structural features indicate areas like Kadi Blam and Kado areas in the southeastern part and Ogoja and Obudu in the southern part of the study area as regions with high structural *** areas coincide with the areas delineated as the *** cross-sections generated reveal depressions caused by the action of some tectonic activities in the *** study identified undulating basement topography believed to be due to tectonic activities as well as five areas that are possible targets for hydrocarbon exploration.

关键词： Aeromagnetic data Euler deconvolution Basement structures Hydrocarbon potentials Middle Benue Trough

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