Definition of mafic in English:
Relating to or denoting a group of dark-coloured, mainly ferromagnesian minerals such as pyroxene and olivine. Often contrasted with felsic.
- Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area.
- The alternating bands of mafic and felsic minerals are a striking and distinctive feature of all gneisses.
- If such adiabatic freezing were to control the ascent of hydrous mafic magmas, basalts would probably never erupt in volcanic arcs.
Definition of mafic in:
- US English dictionary
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