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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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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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Word History and Origins

Origin of granodiorite1

C19: from grano + diorite
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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.

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.

From Time

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

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

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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grano-granola