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词汇 ophiolite
释义

Definition of ophiolite in English:

ophiolite

noun ˈɒfɪəlʌɪtˈɑfiəlaɪt
mass nounGeology
  • An igneous rock consisting largely of serpentine, believed to have been formed from the submarine eruption of oceanic crustal and upper mantle material.

    〔地质〕蛇绿岩,蛇纹石

    Example sentencesExamples
    • The Indus Suture Zone, also locally called the Sumdo Formation, contains the well-preserved Nidar ophiolite and the Zildat Ophiolitic Melange.
    • The differences between the ophiolite and Cretaceous arcrelated rocks are shown in Figure 4.
    • If this model does survive those tests, it has important implications for the tectonic environment in which the Troodos ophiolite formed.
    • These felsic rocks are contemporaneous with or only slightly younger than rocks from the Guevgueli ophiolite.
    • The Northland ophiolite crops out at headlands to the east and west of Cooper's Beach on the eastern Northland Peninsula.

Derivatives

  • ophiolitic

  • adjective
    Geology
    • We agree with Leong that a complex basement composed of both ophiolitic and granitic crust underlies much of Sabah.
      Example sentencesExamples
      • The ophiolitic material was derived from the Songpan-Ganzi ocean basin.
      • We interpret such variations as a result of sediment accumulation in small semi-isolated basins on the ophiolitic basement.
      • In addition, the Central Pontides include Late Mesozoic ophiolitic rocks and ‘Neotethyan’ melange.
      • The southsouthwestern boundary of the Indus Basin sediments is the shear zone of the Indus suture, with an ophiolitic melange exposed near Chilling.

Origin

Mid 19th century: from Greek ophis 'snake' + -lite.

Definition of ophiolite in US English:

ophiolite

nounˈäfēəlītˈɑfiəlaɪt
Geology
  • An igneous rock consisting largely of serpentine, believed to have been formed from the submarine eruption of oceanic crustal and upper mantle material.

    〔地质〕蛇绿岩,蛇纹石

    Example sentencesExamples
    • If this model does survive those tests, it has important implications for the tectonic environment in which the Troodos ophiolite formed.
    • These felsic rocks are contemporaneous with or only slightly younger than rocks from the Guevgueli ophiolite.
    • The differences between the ophiolite and Cretaceous arcrelated rocks are shown in Figure 4.
    • The Indus Suture Zone, also locally called the Sumdo Formation, contains the well-preserved Nidar ophiolite and the Zildat Ophiolitic Melange.
    • The Northland ophiolite crops out at headlands to the east and west of Cooper's Beach on the eastern Northland Peninsula.

Origin

Mid 19th century: from Greek ophis ‘snake’ + -lite.

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