Troctolitic anorthosite
A rock subtype
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Unique Identifiers
Mindat ID:
48325
Long-form identifier:
mindat:1:1:48325:4
GUID
(UUID V4):
(UUID V4):
c81d19f6-fb4a-4edf-84fc-19b11a87bf1b
Classification of Troctolitic anorthosite
Anorthosite is in section 10 of the QAPF diagram.
Mineralogy of Troctolitic anorthosite
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspar > Plagioclase > Anorthite | Ca(Al2Si2O8) |
| Olivine | Commonly used as a synonym for a member of the Fayalite-Forsterite Series, but more generally and properly ... |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Amphibole > Hornblende | A commonly used informal name for dark green to black amphiboles, largely in the Hornblende Root Name ... |
| Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Internet Links for Troctolitic anorthosite
mindat.org URL:
https://www.mindat.org/min-48325.html
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References for Troctolitic anorthosite
Reference List:
