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...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Sciendo
2020-07-01
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Series: | Materials and Geoenvironment |
Subjects: | |
Online Access: | https://doi.org/10.2478/rmzmag-2020-0009 |