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granophyre

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gran·o·phyre  (grn-fr)
n.
A fine-grained granite porphyry having a groundmass with irregular intergrowths of quartz and feldspar.

[German Granophyr : grano-, grano- + (Por)phyr, porphyry (from Medieval Latin porphyrium; see porphyry).]

grano·phyric (-fîrk) adj.

granophyre [ˈgrænəʊˌfaɪə]
n
(Earth Sciences / Geological Science) a fine-grained granitic rock in which irregular crystals of intergrown quartz and feldspar are embedded in a groundmass of these minerals
[from gran(ite) + -phyre after porphyry]
granophyric  [ˌgrænəʊˈfɪrɪk] adj

granophyre  (grn-fr)
A fine-grained igneous rock that has large intergrown crystals of quartz and feldspar in the matrix.


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DISCUSSION and CONCLUSIONS Fluid inclusion studies on zoned quartz crystals from the granophyric phase of the Nipissing diabase have been used to determine the pressures, temperatures, and compositions of the fluids associated with the Nipissing granophyres.
The Lady of the Lake Complex comprises a layered suite of rocks ranging in composition from mafic, pegmatoidal norite and gabbros to granophyre, and bears geologic similarities to both the Stillwater and Bushveld complexes.
 
 
 
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