granophyre

[gran-uh-fahyuh r]

noun

a fine-grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass.

Origin of granophyre

First recorded in 1880–85; grano- + -phyre

Related formsgran·o·phy·ric

[gran-uh-fir-ik] /ˌgræn əˈfɪr ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for granophyre

Historical Examples of granophyre

Still later, dolerite sills and sheets and dikes of granophyre and quartz felsite followed in the same region.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 6
Various
This is the essential distinction between a granite and a quartz-porphyry or a granophyre.
Volcanoes: Past and Present
Edward Hull

British Dictionary definitions for granophyre

granophyre

noun

a fine-grained granitic rock in which irregular crystals of intergrown quartz and feldspar are embedded in a groundmass of these minerals

Derived Formsgranophyric (ˌɡrænəʊˈfɪrɪk), adjective

Word Origin for granophyre

C19: from gran (ite) + -phyre after porphyry

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

granophyre in Science

granophyre

[grăn′ə-fīr′]

A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.