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Quartz-monzogabbro

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A gabbro with the felsic minerals comprising more than 5% quartz, and 10-35% K-feldspar.


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Classification of Quartz-monzogabbroHide

Quartz-monzogabbro is in section 9* of the QAPF diagram.

Sub-divisions of Quartz-monzogabbroHide

Mineralogy of Quartz-monzogabbroHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparFeldspar Group minerals rich in Potassium or Sodium.
Feldspar > PlagioclaseA petrological term for Albite-Anorthite Series.
Mafic mineralsA petrological term for dark, rock-forming minerals rich in magnesium and/or iron.
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 > BiotiteA series or subgroup of the Mica Group.

Internet Links for Quartz-monzogabbroHide

Mineral and/or Locality  
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