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/ˈmafɪk/ · adjective
(geology) Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron..
Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite.
As a whole, rocks of this type are referred to as mafic, because of the importance of magnesium and iron in their composition.
Use mafic when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Mafic means (geology) Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron..
Common synonyms include ferromagnesic, basic.
Possible antonyms include felsic, acidic.
Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite.
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