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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 > Plagioclase||A petrological term for Albite-Anorthite Series.|
|Mica > Biotite||K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: