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词汇 mylonite
释义

Definition of mylonite in English:

mylonite

noun ˈmʌɪlənʌɪt
mass nounGeology
  • A fine-grained metamorphic rock, typically banded, resulting from the grinding or crushing of other rocks.

    〔地质〕糜棱岩

    count noun the mylonites occur in a complex zone
    Example sentencesExamples
    • The hanging-wall mylonite consists of an interconnected muscovite and chlorite network within a quartz-rich matrix.
    • Fine-grained mylonite developed in the fault corridor may have favoured aseismic deformation in the Shin volcano area.
    • These mylonites are microstructurally more homogeneous than other types, and consist of very finegrained calcite that displays an elongate grain shape fabric.
    • The formation and preservation of the peridotite mylonite in particular presents problems of interpretation.
    • However, quarry outcrops of mainly white halitic mylonites display isoclinal folds that suggest a more impressive past.

Origin

Late 19th century: from Greek mulōn 'mill' + -ite1.

Definition of mylonite in US English:

mylonite

noun
Geology
  • A fine-grained metamorphic rock, typically banded, resulting from the grinding or crushing of other rocks.

    〔地质〕糜棱岩

    count noun the mylonites occur in a complex zone
    Example sentencesExamples
    • Fine-grained mylonite developed in the fault corridor may have favoured aseismic deformation in the Shin volcano area.
    • However, quarry outcrops of mainly white halitic mylonites display isoclinal folds that suggest a more impressive past.
    • The hanging-wall mylonite consists of an interconnected muscovite and chlorite network within a quartz-rich matrix.
    • The formation and preservation of the peridotite mylonite in particular presents problems of interpretation.
    • These mylonites are microstructurally more homogeneous than other types, and consist of very finegrained calcite that displays an elongate grain shape fabric.

Origin

Late 19th century: from Greek mulōn ‘mill’ + -ite.

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