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Need synonyms for mafic? Here's a list of similar words from our thesaurus that you can use instead.
Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks
“As a whole, rocks of this type are referred to as mafic, because of the importance of magnesium and iron in their composition.”
Dark in color, containing at least 50-60% mafic minerals
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