granodiorite

/ (ˌɡrænəʊˈdaɪəˌraɪt) /


noun
  1. a coarse-grained acid igneous rock containing almost twice as much plagioclase as orthoclase: intermediate in composition between granite and diorite

Origin of granodiorite

1
C19: from grano + diorite

Words Nearby granodiorite

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How to use granodiorite in a sentence

Scientific definitions for granodiorite

granodiorite

[ grăn′ə-dīə-rīt′ ]


  1. A coarse-grained igneous rock consisting primarily of quartz, plagioclase, and potassium feldspar, and also containing biotite, hornblende, or pyroxene. It is the coarse-grained equivalent of dacite.

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