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Kersantite

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About KersantiteHide

Name:
Defined by Delesse in 1851; named for the village of Kersanton, France.
A lamprophyre with plagioclase > K-feldspar and biotite as the dominant mafic mineral; no feldspathoid. A lamprophyre containing biotite and plagioclase (usually oligoclase or andesine), with or without clinopyroxene and olivine.


Classification of KersantiteHide

Sub-divisions of KersantiteHide

Mineralogy of KersantiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > PlagioclaseA petrological term for Albite-Anorthite Series.
Mica > BiotiteA series or subgroup of the Mica Group.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
AmphiboleAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Feldspar > Alkali Feldspar > K FeldsparPotassium-dominant feldspars with unknown crystal symmetry and Al-Si ordering state.
MicaA petrological term for Mica Group.

References for KersantiteHide

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

Internet Links for KersantiteHide

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