[ gran-uh-fahyuh r ]
/ ˈgræn əˌfaɪər /
a fine-grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass.
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
Still later, dolerite sills and sheets and dikes of granophyre and quartz felsite followed in the same region.
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
/ (ˈɡrænəʊˌfaɪə) /
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
Science definitions for granophyre
[ grăn′ə-fīr′ ]
A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.