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单词 lithosphere
释义

Definition of lithosphere in English:

lithosphere

nounˈlɪθəsfɪəˈlɪθəˌsfɪr
Geology
  • The rigid outer part of the earth, consisting of the crust and upper mantle.

    〔地质〕岩石圈,陆界

    the lithosphere comprises a number of plates
    mass noun continental lithosphere has a lower mean density than oceanic lithosphere
    Example sentencesExamples
    • At the same time, material that was eroded must be deposited offshore, amplifying the downward load where Mesozoic extension had already thinned the crust and weakened the lithosphere.
    • An alternative to an active mantle thermal anomaly is greater stretching of the mantle lithosphere than the crust.
    • We attribute base level changes to the influence of the proto-Iceland mantle plume beneath the lithosphere, providing support until continental break-up west of the Faroe Islands.
    • This allows us to place much tighter constraints on the tectonic and thermal evolution of the lithosphere during late orogenic extension than has previously been possible.
    • After new oceanic crust forms, the lithosphere cools and thickens as it moves away from the ocean ridge.

Derivatives

  • lithospheric

  • adjectivelɪθəˈsfɛrɪk
    Geology
    • Magmas erupted in continental volcanic arcs typically contain components from many sources in the crust, lithospheric mantle and asthenosphere.
      Example sentencesExamples
      • Mineral compositions vary as magmas evolve in sub-volcanic, lithospheric magma chambers by assimilation and differentiation.
      • They are interpreted to have been derived from subduction modified lithospheric and asthenospheric mantle sources.
      • These features of the Moine succession are instead most consistent with accumulation in a regionally extensive shallow marine basin formed during subsidence following initial lithospheric thinning.
      • This suggests that the peralkaline volcanic magma was derived from a lithospheric mantle source that had not been previously depleted in incompatible elements.

Definition of lithosphere in US English:

lithosphere

nounˈliTHəˌsfirˈlɪθəˌsfɪr
Geology
  • The rigid outer part of the earth, consisting of the crust and upper mantle.

    〔地质〕岩石圈,陆界

    the lithosphere comprises a number of plates
    mass noun continental lithosphere has a lower mean density than oceanic lithosphere
    Example sentencesExamples
    • At the same time, material that was eroded must be deposited offshore, amplifying the downward load where Mesozoic extension had already thinned the crust and weakened the lithosphere.
    • An alternative to an active mantle thermal anomaly is greater stretching of the mantle lithosphere than the crust.
    • After new oceanic crust forms, the lithosphere cools and thickens as it moves away from the ocean ridge.
    • This allows us to place much tighter constraints on the tectonic and thermal evolution of the lithosphere during late orogenic extension than has previously been possible.
    • We attribute base level changes to the influence of the proto-Iceland mantle plume beneath the lithosphere, providing support until continental break-up west of the Faroe Islands.
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更新时间:2024/10/19 8:48:46