Definition
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Discoverer
Etymology
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Other Categories
Granophyre is a type of granitic rock which consists of intergrown feldspar and quartz crystals in a medium to fine grained groundmass
From German Granophyr, from Granit granite + Porphyr
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish
Coarse Grained Rock, Medium Grained Rock, Opaque Rock