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词汇 phosphorite
释义

Definition of phosphorite in English:

phosphorite

noun ˈfɒsfərʌɪtˈfɑsfəˌraɪt
mass noun
  • A sedimentary rock containing a high proportion of calcium phosphate.

    磷钙土,磷灰岩

    Example sentencesExamples
    • Fossiliferous, thin marine shales, associated with biochemical precipitates such as glauconite and phosphorite, are common in transgressive systems tracts.
    • Then, in 1987, the ‘Phosphorite War’ broke out when Soviet plans to extract northeast Estonia's large deposits of phosphorite galvanized opposition throughout the country.
    • The late Neoproterozoic Doushantuo Formation in South China contains several exceptionally preserved biotas in its cherts, phosphorites, and black shales.
    • Under such conditions biogenic carbonate may be replaced by phosphorite (as off the coast of South Africa beneath the Benguela Current).
    • The phosphorite marks the base of the Roberts Mountains Formation at this locality.

Origin

Late 18th century: from phosphorus + -ite1.

Definition of phosphorite in US English:

phosphorite

nounˈfɑsfəˌraɪtˈfäsfəˌrīt
  • A sedimentary rock containing a high proportion of calcium phosphate.

    磷钙土,磷灰岩

    Example sentencesExamples
    • Under such conditions biogenic carbonate may be replaced by phosphorite (as off the coast of South Africa beneath the Benguela Current).
    • The late Neoproterozoic Doushantuo Formation in South China contains several exceptionally preserved biotas in its cherts, phosphorites, and black shales.
    • The phosphorite marks the base of the Roberts Mountains Formation at this locality.
    • Fossiliferous, thin marine shales, associated with biochemical precipitates such as glauconite and phosphorite, are common in transgressive systems tracts.
    • Then, in 1987, the ‘Phosphorite War’ broke out when Soviet plans to extract northeast Estonia's large deposits of phosphorite galvanized opposition throughout the country.

Origin

Late 18th century: from phosphorus + -ite.

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