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

granodiorite

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.

Word History and Origins

Origin of granodiorite¹

C19: from grano + _diorite

Example Sentences

Early one Wednesday before the Met opened to the public, a gaggle of staffers from the imaging department clustered in the Egyptian wing around the granodiorite statue of Haremhab.

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The granodiorite slab announcing the kingly reign of Ptolemy V in Egypt circa 196 BC, better known as the Rosetta Stone, might be considered an early stab at the idea.

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They didn't have to worry about that when they were issuing decrees at Memphis on a nice bit of granodiorite.

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Carved from a single block of dark gray granodiorite, he sits in a form-fitting kilt on a cubic throne covered by hieroglyphics.

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The ore is in a series of parallel and overlapping veins striking with the trend of the range, associated with granodiorite intrusives in schist and slate.

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