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Vitrophyric porphyry

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A porphyry with phenocrysts in a glassy groundmass


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Classification of Vitrophyric porphyryHide

Sub-divisions of Vitrophyric porphyryHide

Mineralogy of Vitrophyric porphyryHide

Essential minerals - these are minerals that are required within the classification of this rock:
GlassAn amorphous, homogeneous material with a random liquid-like structure generally formed due to rapid cooling.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
FeldsparA petrological term for Feldspar Group.
MicaA petrological term for Mica Group.
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Silica > QuartzSiO2

Synonyms of Vitrophyric porphyryHide

Internet Links for Vitrophyric porphyryHide

 
Mineral and/or Locality  
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