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

Granophyre Sentence Examples

  • Another granite area appears on the south side of the road between Brodick and Shiskine, where it is associated with granophyre and quartz-diorite and traverses the volcanic vent of post-Cretaceous or Tertiary age already described.

  • In pegmatite (graphic granite) and granophyre it often forms a regular intergrowth with felspar.

  • F. Magma is intruded into older rocks and crystallizes into a pink igneous rock called granophyre.

  • A. The overlying rocks are eroded until the pink granophyre is exposed at the earth's surface.

  • Granophyre, because the conglomerate and quartz sandstone lie on top of it and the conglomerate contains some pebbles of granophyre.

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Words near granophyre in the Dictionary