MAFIC ROCK


Meaning of MAFIC ROCK in English

In geology, any igneous rock dominated by the silicates pyroxene, amphibole, olivine, and mica.

These minerals are high in magnesium and ferrous iron, and their presence gives mafic rock its characteristic dark colour. It is usually contrasted with felsic rock . Common mafic rocks include basalt and gabbro .

Britannica Concise Encyclopedia.      Краткая энциклопедия Британика.