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词汇 slickenside
释义

Definition of slickenside in English:

slickenside

noun ˈslɪk(ə)nsʌɪdˈslɪkənˌsaɪd
usually slickensidesGeology
  • A polished and striated rock surface that results from friction along a fault or bedding plane.

    〔地质〕(断层)擦痕面

    Example sentencesExamples
    • Where they are exposed, the surfaces of these faults are highly polished with slickenside lineations and the faults also have a mean dip of 45 degrees.
    • Some longitudinal faults display a second generation of slickensides due to a dextral reactivation that locally modifies the geometry of the fault network.
    • There is limited evidence from slickensides for dip-slip movement along this fault.
    • Main normal-throw components are documented both by steps on the fault slickensides and by downthrown offsets of basaltic layers.
    • Brittle deformation is evident from a number of fault planes showing quartz slickensides consistently dipping at c.40 deg to the southeast.

Origin

Mid 18th century: from a dialect variant of the adjective slick + side.

Definition of slickenside in US English:

slickenside

nounˈslikənˌsīdˈslɪkənˌsaɪd
usually slickensidesGeology
  • A polished and striated rock surface that results from friction along a fault or bedding plane.

    〔地质〕(断层)擦痕面

    Example sentencesExamples
    • Where they are exposed, the surfaces of these faults are highly polished with slickenside lineations and the faults also have a mean dip of 45 degrees.
    • Main normal-throw components are documented both by steps on the fault slickensides and by downthrown offsets of basaltic layers.
    • There is limited evidence from slickensides for dip-slip movement along this fault.
    • Some longitudinal faults display a second generation of slickensides due to a dextral reactivation that locally modifies the geometry of the fault network.
    • Brittle deformation is evident from a number of fault planes showing quartz slickensides consistently dipping at c.40 deg to the southeast.

Origin

Mid 18th century: from a dialect variant of the adjective slick + side.

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