Evidence of a possible north-south shift of the western sector of the African plate—Discussion
Skinner, N J
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A negative anomaly in the vertical magnetic field component at a site in Nigeria has recently been interpreted by Oni in terms of a possible north-south shift of the western sector of the African plate. In this paper, comments are made under the headings of magnetic field reversals, polar wander and secular variation, which cast doubt on Oni's interpretation.