- a fine-grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass.
Origin of granophyre
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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.
This is the essential distinction between a granite and a quartz-porphyry or a granophyre.Volcanoes: Past and Present
- a fine-grained granitic rock in which irregular crystals of intergrown quartz and feldspar are embedded in a groundmass of these minerals
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
- A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.
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