granodiorite

British

/ ˌɡrænəʊˈdaɪəˌraɪt /

noun

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 Scientific

/ grăn′ə-dī′ə-rīt′ /

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.

Etymology

Origin of granodiorite

C19: from grano + _diorite

Example Sentences

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granodiorite

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 ● Mar. 24, 2015

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.

From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023