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词汇 peridotite
释义

Definition of peridotite in English:

peridotite

noun ˈpɛrɪdɒtʌɪtpəˈridəˌtīt
mass nounGeology
  • A dense, coarse-grained plutonic rock containing a large amount of olivine, believed to be the main constituent of the earth's mantle.

    〔地质〕橄榄岩

    Example sentencesExamples
    • The magma contains components of the sediments and weathered oceanic crust from the Nazca plate as well as the peridotite in the mantle beneath South America.
    • Such rocks are important in defining ages for crustal rocks underlying the peridotite.
    • Diamonds sometimes contain minute inclusions of the minerals garnet, olivine, and pyroxene, which indicate formation in two major mantle rock-types, peridotite and eclogite.
    • The mantle is thought to be made up mostly of peridotite, a type of rock composed of iron, magnesium, silicon, and oxygen.
    • The intellectual and creative processes by which we improve infrastructural code are no less natural than the geological forces that turn granite into gneiss, limestone into marble and peridotite into serpentine.

Derivatives

  • peridotitic

  • adjective pɛrɪdəˈtɪtɪk
    Geology
    • Point 2 represents the formation of garnet-bearing peridotitic mylonite on the western boundary.
      Example sentencesExamples
      • The origin of the deposits is considered to be similar to that of the volcanic - peridotitic ores, where segregation from an ultrabasic magma appears the most likely scenario.

Definition of peridotite in US English:

peridotite

nounpəˈridəˌtīt
Geology
  • A dense, coarse-grained plutonic rock containing a large amount of olivine, believed to be the main constituent of the earth's mantle.

    〔地质〕橄榄岩

    Example sentencesExamples
    • Such rocks are important in defining ages for crustal rocks underlying the peridotite.
    • Diamonds sometimes contain minute inclusions of the minerals garnet, olivine, and pyroxene, which indicate formation in two major mantle rock-types, peridotite and eclogite.
    • The mantle is thought to be made up mostly of peridotite, a type of rock composed of iron, magnesium, silicon, and oxygen.
    • The intellectual and creative processes by which we improve infrastructural code are no less natural than the geological forces that turn granite into gneiss, limestone into marble and peridotite into serpentine.
    • The magma contains components of the sediments and weathered oceanic crust from the Nazca plate as well as the peridotite in the mantle beneath South America.
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