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词汇 titanite
释义

Definition of titanite in English:

titanite

noun ˈtʌɪtənʌɪtˈtītnˌīt
  • another term for sphene
    Example sentencesExamples
    • Some calcareous veins contain epidote, titanite and apatite.
    • Secondary titanite, chlorite, white mica and pyrrhotite are abundant, and some samples contain metamorphic biotite.
    • Finer-grained titanite is also a common matrix mineral.
    • During obduction, mantle-derived magmas most likely evolved to granitic compositions by assimilation of sediments and by fractional crystallization of amphibole, feldspar, titanite and allanite.
    • Magnetite, apatite, titanite and zircon make up the accessory minerals.

Origin

Late 18th century: from titanium + -ite1.

Definition of titanite in US English:

titanite

nounˈtītnˌīt
  • another term for sphene
    Example sentencesExamples
    • Finer-grained titanite is also a common matrix mineral.
    • During obduction, mantle-derived magmas most likely evolved to granitic compositions by assimilation of sediments and by fractional crystallization of amphibole, feldspar, titanite and allanite.
    • Secondary titanite, chlorite, white mica and pyrrhotite are abundant, and some samples contain metamorphic biotite.
    • Some calcareous veins contain epidote, titanite and apatite.
    • Magnetite, apatite, titanite and zircon make up the accessory minerals.

Origin

Late 18th century: from titanium + -ite.

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