Definition of mafic in English:

mafic

adjective ˈmafɪkˈmafik

Geology

Relating to or denoting a group of dark-coloured, mainly ferromagnesian minerals such as pyroxene and olivine.
〔地质〕铁镁质的；镁铁矿石的。常与FELSIC 相对
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:

mafic

adjectiveˈmafik

Geology

Relating to, denoting, or containing a group of dark-colored, mainly ferromagnesian minerals such as pyroxene and olivine.
〔地质〕铁镁质的；镁铁矿石的。常与FELSIC 相对
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.

词汇	mafic
释义	Definition of mafic in English: mafic adjective ˈmafɪkˈmafik Geology Relating to or denoting a group of dark-coloured, mainly ferromagnesian minerals such as pyroxene and olivine. 〔地质〕铁镁质的；镁铁矿石的。常与FELSIC 相对 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: mafic adjectiveˈmafik Geology Relating to, denoting, or containing a group of dark-colored, mainly ferromagnesian minerals such as pyroxene and olivine. 〔地质〕铁镁质的；镁铁矿石的。常与FELSIC 相对 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.
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