Abstract
This paper presents review of the results of aeromagnetic geophysical works carried out over the Cretaceous Bida and Sokoto Basins of Nigeria. The objective of the study was to analyse multiple data from the isolated existing data for the two basins in order to determine the holistic basin architecture, and possible the topography of the basement underlying the two basins, as well as their structural trends and basin evolutions.
Highlights
This review work reveals the information about the Bida and Sokoto basins of Nigeria formed during the Cretaceous period
The basin is relatively shallow, it is characterized with rugged basement topography and undulating morphology
Depth to basement estimated using the source parameter imaging method over the Bida Basin gave a range of values from 60.23 m to 3.47 km, which corroborate the findings several previous works
Summary
This review work reveals the information about the Bida and Sokoto basins of Nigeria formed during the Cretaceous period. Geophysical works have been conducted in the basins using magnetic and other methods several earlier researchers. Ojo and Ajakaiye [3] delineated the presence of a positive gravity residual centre in the Bida Basin. They attributed this to the presence of a shallow metamorphic basement of high density and intermediate composition. They observed negative anomalies, which were ascribed to relatively great thicknesses of sediments, with maximum thickness ranging between 1.0 km and 2.0 km. Ojo [4] investigated a major east-west magnetic low, whose deep-seated structures dominate the southern
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