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Classification of Troctolitic anorthositeHide
Mineralogy of Troctolitic anorthositeHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Feldspar > Plagioclase > Anorthite||Ca(Al2Si2O8)|
|Olivine||Equivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: