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词汇 nunatak
释义

Definition of nunatak in English:

nunatak

noun ˈnʌnətakˈnənəˌtak
  • An isolated peak of rock projecting above a surface of inland ice or snow.

    冰原岛峰

    Example sentencesExamples
    • McCarroll & Ballantyne suggested that the ice reached an elevation of only between 750 and 850 m a.s.l. in Snowdonia, NW Wales, and that the higher summits remained above the ice surface as nunataks.
    • Distinctive rock types found on the westernmost nunataks around Hamberg Gletscher are interpreted as autochthonous Caledonian foreland.
    • Remapping of several nunataks and ridge exposures reveals that the basal Neptune Group truncates a large-scale, closed syncline, developed within the Nelson Limestone.
    • Although no evidence for discrete dextral structures has been found in the Neptune Range, such a structure or structures could lie unexposed along the Roderick Valley or outside of the mountains and nunataks of the Neptune Range.
    • This would leave Scafell Pikes and other peaks protruding as nunataks, consistent with the observations of Lamb & Ballantyne.

Origin

Late 19th century: from Greenlandic nunataq.

Definition of nunatak in US English:

nunatak

nounˈnənəˌtak
  • An isolated peak of rock projecting above a surface of inland ice or snow.

    冰原岛峰

    Example sentencesExamples
    • McCarroll & Ballantyne suggested that the ice reached an elevation of only between 750 and 850 m a.s.l. in Snowdonia, NW Wales, and that the higher summits remained above the ice surface as nunataks.
    • This would leave Scafell Pikes and other peaks protruding as nunataks, consistent with the observations of Lamb & Ballantyne.
    • Although no evidence for discrete dextral structures has been found in the Neptune Range, such a structure or structures could lie unexposed along the Roderick Valley or outside of the mountains and nunataks of the Neptune Range.
    • Distinctive rock types found on the westernmost nunataks around Hamberg Gletscher are interpreted as autochthonous Caledonian foreland.
    • Remapping of several nunataks and ridge exposures reveals that the basal Neptune Group truncates a large-scale, closed syncline, developed within the Nelson Limestone.

Origin

Late 19th century: from Greenlandic nunataq.

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