Retrogression of Orthopyroxene-bearing Gneiss of Iboropa Akoko, Southwestern Nigeria

In this article, we report the mineral chemistry and petrographic features of charnockitic exposure of Iboropa within Precambrian Basement Complex of Nigeria. The mineral assemblages are pyroxene, plagioclase, biotite, hornblende, alkali feldspars, microperthite, quartz and ilmenite, with apatite oc...

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Bibliographic Details
Main Authors: Oziegbe E.J., Olarewaju V.O., Ocan O.O., Costin G.
Format: Article
Language:English
Published: Sciendo 2020-07-01
Series:Materials and Geoenvironment
Subjects:
Online Access:https://doi.org/10.2478/rmzmag-2020-0009