Gurmeet singh Asked a Question
December 30, 2020 10:00 pmpts 30 pts
. A mafic rock metamorphosed into a garnetif- erous amphibolite indicates: A Mg enriched mafic protolith B. Fe enriched mafic protolith C. Al enriched mafic protolith B. D. Ca enriched mafic protolith (DU-2014)
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  • Rahul kumar Best Answer
    Answer: (C) Al enriched mafic protolith Garnets are essentially iron or calcium aluminum silicates. In order to form garnetiferous amphibolite rock, the protolith should be Al-enr...
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