Definition of ultramafic in English:

ultramafic

adjective ˌʌltrəˈmafɪkˌəltrəˈmafik

Geology

Relating to or denoting igneous rocks composed chiefly of mafic minerals.
〔地质〕超镁铁质的
Example sentencesExamples
- Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area.
- Both Wadi Sikait and Regal Ridge classify as Type I emerald deposits, where Be-bearing quartz or pegmatite veins from a granitic pluton intruded Cr- or V-bearing mafic or ultramafic rocks.
- A major source of iron, called iron laterite, is a type of residual deposit generated by the intense weathering of iron-rich rocks such as mafic and ultramafic volcanic rocks.
- Despite the attention it has received, however, the tectonic setting of the high grade mafic and ultramafic rocks of the Cabo Ortegal Complex has remained uncertain.
- The provenance of the feldspar-bearing Crocker Formation and younger sandstones indicates a granitic source character, which conflicts with the abundance of mafic and ultramafic basement rocks exposed throughout much of Sabah.

Definition of ultramafic in US English:

ultramafic

adjectiveˌəltrəˈmafik

Geology

Relating to or denoting igneous rocks composed chiefly of mafic minerals.
〔地质〕超镁铁质的
Compare with ultrabasic
Example sentencesExamples
- Both Wadi Sikait and Regal Ridge classify as Type I emerald deposits, where Be-bearing quartz or pegmatite veins from a granitic pluton intruded Cr- or V-bearing mafic or ultramafic rocks.
- A major source of iron, called iron laterite, is a type of residual deposit generated by the intense weathering of iron-rich rocks such as mafic and ultramafic volcanic rocks.
- Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area.
- The provenance of the feldspar-bearing Crocker Formation and younger sandstones indicates a granitic source character, which conflicts with the abundance of mafic and ultramafic basement rocks exposed throughout much of Sabah.
- Despite the attention it has received, however, the tectonic setting of the high grade mafic and ultramafic rocks of the Cabo Ortegal Complex has remained uncertain.

单词	ultramafic
释义	Definition of ultramafic in English: ultramafic adjective ˌʌltrəˈmafɪkˌəltrəˈmafik Geology Relating to or denoting igneous rocks composed chiefly of mafic minerals. 〔地质〕超镁铁质的 Example sentencesExamples Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area. Both Wadi Sikait and Regal Ridge classify as Type I emerald deposits, where Be-bearing quartz or pegmatite veins from a granitic pluton intruded Cr- or V-bearing mafic or ultramafic rocks. A major source of iron, called iron laterite, is a type of residual deposit generated by the intense weathering of iron-rich rocks such as mafic and ultramafic volcanic rocks. Despite the attention it has received, however, the tectonic setting of the high grade mafic and ultramafic rocks of the Cabo Ortegal Complex has remained uncertain. The provenance of the feldspar-bearing Crocker Formation and younger sandstones indicates a granitic source character, which conflicts with the abundance of mafic and ultramafic basement rocks exposed throughout much of Sabah. Definition of ultramafic in US English: ultramafic adjectiveˌəltrəˈmafik Geology Relating to or denoting igneous rocks composed chiefly of mafic minerals. 〔地质〕超镁铁质的 Compare with ultrabasic Example sentencesExamples Both Wadi Sikait and Regal Ridge classify as Type I emerald deposits, where Be-bearing quartz or pegmatite veins from a granitic pluton intruded Cr- or V-bearing mafic or ultramafic rocks. A major source of iron, called iron laterite, is a type of residual deposit generated by the intense weathering of iron-rich rocks such as mafic and ultramafic volcanic rocks. Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area. The provenance of the feldspar-bearing Crocker Formation and younger sandstones indicates a granitic source character, which conflicts with the abundance of mafic and ultramafic basement rocks exposed throughout much of Sabah. Despite the attention it has received, however, the tectonic setting of the high grade mafic and ultramafic rocks of the Cabo Ortegal Complex has remained uncertain.
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