Mafic
/ˈmeɪfɪk/ adj, noun
adj, noun ·Rare ·Advanced level
Definitions
Noun
- 1 A rock with such properties.
Adjective
- 1 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."
Synonyms
All synonymsAntonyms
All antonymsExample
More examples"Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite."
Etymology
Blend of magnesium + ferric.