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Anorthositoid

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A coarse-grained crystalline rock composed mostly of plagioclase.


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Classification of AnorthositoidHide

Anorthositic rocks are in sections 10,10* and 10' of the QAPF diagram.

Sub-divisions of AnorthositoidHide

Mineralogy of AnorthositoidHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > PlagioclaseA petrological term for Albite-Anorthite Series.
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 > BiotiteA series or subgroup of the Mica Group.

Synonyms of AnorthositoidHide

Other Language Names for AnorthositoidHide

Internet Links for AnorthositoidHide

Mineral and/or Locality  
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