Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A fine-grained granite porphyry having a groundmass with irregular intergrowths of quartz and feldspar.
from The Century Dictionary.
- noun In lithology, the ground-mass of the porphyritic rocks when this is made up either entirely or almost, entirely of a crystalline mixture of the component minerals.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[German Granophyr : grano-, grano- + (Por)phyr, porphyry (from Medieval Latin porphyrium; see porphyry).]
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Examples
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Mount Barney itself is a mountain mass composed of granophyre, about 24 million years old.
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Abstracts on origin of granophyre at Alid volcanic center (or photos of granophyre).
The Alid Page 1998
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A-type granophyre and rhyolite from the Alid volcanic center, Eritrea, northeast Africa.
references 1998
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A full article on the Alid granophyre is available in the December 1997 issue of the
Granophyre.html 1998
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Blocks of anorthoclase - and clinopyroxene-bearing micorgaphic granophyre (click for photo) were ejected with rhyolitic pumice during a late-Pleistocene eruption at the Alid volcanic center, Eritrea.
Granophyre.html 1998
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