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Augite syenite

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About Augite syeniteHide

A syenite containing prominent augite.


Classification of Augite syeniteHide

QAPF_P_7.png

Syenite is in section 7 of the QAPF diagram.

Sub-divisions of Augite syeniteHide

Mineralogy of Augite syeniteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparFeldspar Group minerals rich in Potassium or Sodium.
Pyroxene > Clinopyroxene > Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > HornblendeAn informal name for dark green to black amphiboles, mostly ferro-hornblende or ...
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

Internet Links for Augite syeniteHide

 
Mineral and/or Locality  
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