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Definition of mafic in English: maficadjective ˈmafɪkˈmafik Geology Relating to or denoting a group of dark-coloured, mainly ferromagnesian minerals such as pyroxene and olivine. Often contrasted with felsic Example sentencesExamples - In particular, in most of the eastern part of the complex, mafic minerals are very uncommon.
- The Musgrave Block consists of granulite-facies felsic gneisses, granites, felsic and mafic granulites, and voluminous mafic-ultramafic intrusive rocks.
- 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.
Origin Early 20th century: blend of magnesium and a contracted form of ferric. Definition of mafic in US English: maficadjectiveˈmafik Geology Relating to, denoting, or containing a group of dark-colored, mainly ferromagnesian minerals such as pyroxene and olivine. Often contrasted with felsic Example sentencesExamples - The alternating bands of mafic and felsic minerals are a striking and distinctive feature of all gneisses.
- Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area.
- If such adiabatic freezing were to control the ascent of hydrous mafic magmas, basalts would probably never erupt in volcanic arcs.
- In particular, in most of the eastern part of the complex, mafic minerals are very uncommon.
- The Musgrave Block consists of granulite-facies felsic gneisses, granites, felsic and mafic granulites, and voluminous mafic-ultramafic intrusive rocks.
Origin Early 20th century: blend of magnesium and a contracted form of ferric. |