Granophyre definition

grănə-fīr
A fine-grained granite porphyry having a groundmass with irregular intergrowths of quartz and feldspar.
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An igneous rock similar to granite in composition and appearance, but containing larger crystals of quartz and feldspar in a matrix of a finer grain.
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A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.
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Origin of granophyre

  • German Granophyr grano- grano- (Por)phyr porphyry (from Medieval Latin porphyrium porphyry)

    From American Heritage Dictionary of the English Language, 5th Edition