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Charnockitic tonalite

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A pyroxene-bearing tonalite.


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Classification of Charnockitic tonaliteHide

Tonalite is in section 5 of the QAPF diagram.

Sub-divisions of Charnockitic tonaliteHide

Mineralogy of Charnockitic tonaliteHide

Essential minerals - these are minerals that are required within the classification of this rock:
AntiperthiteAn intergrowth of orthoclase (often as lamellae) enclosed in a plagioclase host.
MagnetiteFe2+Fe3+2O4
Pyroxene > OrthopyroxeneA petrological term for Orthopyroxene Subgroup.
Silica > QuartzSiO2
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

Synonyms of Charnockitic tonaliteHide

Internet Links for Charnockitic tonaliteHide

 
Mineral and/or Locality  
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