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单词 subduction
释义

Definition of subduction in English:

subduction

noun səbˈdʌkʃ(ə)nsəbˈdəkʃən
mass nounGeology
  • The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.

    as modifier subduction zone
    Example sentencesExamples
    • There are two possible tectonic settings for the deep subduction of Indian Plate continental crust in the early Tertiary.
    • These extensional faults were reactivated as reverse faults during Neogene compression associated with subduction beneath the North Island.
    • These rocks are interpreted as a forearc succession that developed in association with north-directed subduction beneath the Lhasa terrane.
    • Nevertheless, subduction of Africa beneath Iberia starting in the Late Eocene has been proposed.
    • The Spontang ophiolitc, for example, is associated with partial subduction of buoyant continental crust.

Derivatives

  • subduct

  • verb ˌsʌbˈdʌktsəbˈdək(t)
    [with object]be subductedGeology
    • (of a plate of the earth’s crust) undergo subduction.

      oceanic crust is subducted underneath continental tectonic plates
      Example sentencesExamples
      • no object the Pacific plate was subducting to the south-west beneath the Australian plate
      • What is the relationship at depth between the inboard strike-slip boundary and the slab subducted at the outboard subduction zone?
      • Distinct differences in the seismic reflection waveforms are expected from the subduction megathrust as sediments subduct through significant sediment-to-rock transitions.
      • In the early Himalayan case described here, the driving force would have been slab pull with Indian Plate continental crust and lithospheric mantle being subducted at a steep subduction angle.

Origin

1970s: via French from Latin subductio(n-), from subduct- 'drawn from below', from the verb subducere.

 
 

Definition of subduction in US English:

subduction

nounsəbˈdəkʃənsəbˈdəkSHən
Geology
  • The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.

    as modifier subduction zone
    Example sentencesExamples
    • There are two possible tectonic settings for the deep subduction of Indian Plate continental crust in the early Tertiary.
    • These rocks are interpreted as a forearc succession that developed in association with north-directed subduction beneath the Lhasa terrane.
    • These extensional faults were reactivated as reverse faults during Neogene compression associated with subduction beneath the North Island.
    • The Spontang ophiolitc, for example, is associated with partial subduction of buoyant continental crust.
    • Nevertheless, subduction of Africa beneath Iberia starting in the Late Eocene has been proposed.

Origin

1970s: via French from Latin subductio(n-), from subduct- ‘drawn from below’, from the verb subducere.

 
 
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更新时间:2024/12/23 9:02:29