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Research Article Open access CC BY 4.0

Petrography and Provenance of Eze-Aku Sandstones in Afikpo Basin, Southeastern Benue Trough

Kiamuke Itiowe, Minapuye Isaac Odigi, Biokpo Kingson Kurah, Bariborve Kpegeol

Asian Journal of Geological Research · pp. 110–120 · Published 7 May 2021

Abstract

Petrographic study of the Eze-Aku sandstones exposed within the Afikpo basin were analysed to determine the petrography, provenance and tectonic setting of the area. Petrographic studies showed that the Eze-Aku sandstones were predominantly quartz, feldspar and lithic fragments. The QFL triangular plot shows that the Eze-Aku sandstones are mainly sub-arkoses with subordinate amount of arkoses and quartz arenites. The ternary plot of the provenance category showed that the Eze-Aku sandstones were plotted within the basement uplift continental block, indicating that the sandstones could have been a product of high relief and erosion from the Oban and Cameroon Massifs, located east part of the Abakaliki anticlinorium and Afikpo Basin.

Eze-Aku Quartz Feldspar Massif Anticlinorium Basin

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