Abstract
THE “Younger Granites”, dated as Jurassic1, intrude the Nigerian basement complex and occur characteristically as ring-complexes, which are prominent topographic features in this part of Nigeria (Fig. 1). These complexes are acidic in composition and include a wide variety of biotite granites, alkaline granites and rhyolites2,3. The great variety of different rock types and the economic importance of the region have stimulated much geological interest. Most of the minerals mined in commercial quantities in Nigeria, including cassiterite, columbite, monazite, tantalite and zircon, are associated with the Younger Granites.
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AJAKAIYE, D. Gravity Measurements over the Nigerian Younger Granite Province. Nature 225, 50–52 (1970). https://doi.org/10.1038/225050b0
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DOI: https://doi.org/10.1038/225050b0
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