Quartz-anorthosite
A rock classification type
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A quartz-bearing anorthosite
Unique Identifiers
Mindat ID:
48322
Long-form identifier:
mindat:1:1:48322:7
GUID
(UUID V4):
(UUID V4):
d99a5d6b-2a70-418c-94c4-b75d0c2076cc
Classification of Quartz-anorthosite
Quartz-anorthosite is in section 10* of the QAPF diagram.
Mineralogy of Quartz-anorthosite
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Silica > Quartz | SiO2 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > Hornblende | An informal name for dark green to black amphiboles, mostly ferro-hornblende or ... |
Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Internet Links for Quartz-anorthosite
mindat.org URL:
https://www.mindat.org/min-48322.html
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References for Quartz-anorthosite
Reference List: