See Also: granophyre(dictionary)

granophyre (iou)



granophyre noun. L19.
[German Granophyr, from Granit GRANITE + -O- + Porphyr PORPHYRY.]
Geology. Any of a class of porphyritic plutonic rocks of granitic composition characterized by a medium- to fine-grained groundmass of intergrown feldspar and quartz.
grano'phyric adjective L19.