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词汇 laccolith
释义

Definition of laccolith in English:

laccolith

noun ˈlakəlɪθˈlakəˌliTH
Geology
  • A mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome.

    〔地质〕岩盖

    Example sentencesExamples
    • This age is essentially identical with the rhyodacite laccoliths in the Grosvenor Hills intrusion which are also reversely polarized.
    • The three laccoliths in this famous group were not all created at the same time.
    • The larger area below the laccolith could cover an area as large as several states.
    • Nearby Lime Butte, Gypsum Butte, and Green Mountain are all laccoliths with varying degrees of exposure.
    • Based on the position of the dikes, where was the source of the magma for the laccoliths located?

Origin

Late 19th century: from Greek lakkos 'reservoir' + -lith.

Definition of laccolith in US English:

laccolith

nounˈlakəˌliTH
Geology
  • A mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome.

    〔地质〕岩盖

    Example sentencesExamples
    • Nearby Lime Butte, Gypsum Butte, and Green Mountain are all laccoliths with varying degrees of exposure.
    • This age is essentially identical with the rhyodacite laccoliths in the Grosvenor Hills intrusion which are also reversely polarized.
    • Based on the position of the dikes, where was the source of the magma for the laccoliths located?
    • The three laccoliths in this famous group were not all created at the same time.
    • The larger area below the laccolith could cover an area as large as several states.

Origin

Late 19th century: from Greek lakkos ‘reservoir’ + -lith.

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