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Feldspar porphyry

A rock subtype
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03918810017272472721398.jpg
Feldspar porphyry

Green Peter Dam, Quartzville Mining District, Linn County, Oregon, USA
03918810017272472721398.jpg
Feldspar porphyry

Green Peter Dam, Quartzville Mining District, Linn County, Oregon, USA
06314060017272043477049.jpg
Feldspar porphyry

Green Peter Dam, Quartzville Mining District, Linn County, Oregon, USA
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About Feldspar porphyryHide

Feldspar-phyric porphyry.


Unique IdentifiersHide

Mindat ID:
48436
Long-form identifier:
mindat:1:1:48436:9

Classification of Feldspar porphyryHide

Mineralogy of Feldspar porphyryHide

Essential minerals - these are minerals that are required within the classification of this rock:
FeldsparA petrological term for Feldspar Group.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > HornblendeAnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Silica > QuartzSiO2

Synonyms of Feldspar porphyryHide

Internet Links for Feldspar porphyryHide

References for Feldspar porphyryHide

Reference List:
Quick NavTopAbout Feldspar porphyryUnique IdentifiersClassification Mineralogy SynonymsInternet Links References
 
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