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Absarokite

A rock subtype
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A basaltic-trachyandesite rock containing phenocrysts of olivine and augite in a groundmass of augite, calcic plagioclase, alkali feldspar and sometimes leucite.


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Unique IdentifiersHide

Mindat ID:
48464
Long-form identifier:
mindat:1:1:48464:2

Classification of AbsarokiteHide

TAS_S2.png

Absarokite is found in field S2 in the TAS diagram.

Mineralogy of AbsarokiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Calcic plagioclaseA petrological term for plagioclase series feldspars dominant in calcium.
Feldspar > Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
OlivineM2SiO4
Pyroxene > Clinopyroxene > Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Feldspathoid > LeuciteK(AlSi2O6)

Other Language Names for AbsarokiteHide

Norwegian:Absarokitt

Internet Links for AbsarokiteHide

References for AbsarokiteHide

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