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granophyre
[ gran-uh-fahyuhr ]
noun
- a fine-grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass.
granophyre
/ ˌɡrænəʊˈfɪrɪk; ˈɡrænəʊˌfaɪə /
noun
- a fine-grained granitic rock in which irregular crystals of intergrown quartz and feldspar are embedded in a groundmass of these minerals
granophyre
/ grăn′ə-fīr′ /
- A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.
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Derived Forms
- granophyric, adjective
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Other Words From
- gran·o·phy·ric [gran-, uh, -, fir, -ik], adjective
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Word History and Origins
Origin of granophyre1
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Word History and Origins
Origin of granophyre1
C19: from gran ( ite ) + -phyre after porphyry
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Example Sentences
This is the essential distinction between a granite and a quartz-porphyry or a granophyre.
From Project Gutenberg
Still later, dolerite sills and sheets and dikes of granophyre and quartz felsite followed in the same region.
From Project Gutenberg
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