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Kentallenite

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A local term for a melanocratic variety of monzonite composed of olivine, augite, zoned plagioclase, biotite and green micas and interstitial alkali feldspar.


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Classification of KentalleniteHide

Quartz-alkali-feldspar-syenite is in section 6* of the QAPF diagram.

Mineralogy of KentalleniteHide

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.
MicaA petrological term for Mica Group.
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.
Pyroxene > Clinopyroxene > Augite(CaxMgyFez)(Mgy1Fez1)Si2O6

References for KentalleniteHide

Reference List:
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Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press

Internet Links for KentalleniteHide

 
Mineral and/or Locality  
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