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Mugearite

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A sodic basaltic-trachybasalt where Na2O-2>K2O.


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Classification of MugeariteHide

Rock ➔ Igneous rock ➔ Normal crystalline igneous rock ➔ Fine-grained ("volcanic") normal crystalline igneous rock ➔ Trachytoid ➔ Basaltic-trachyandesite ➔ Mugearite

Mugearite is found in field S2 in the TAS diagram [glossary item missing].

Mineralogy of MugeariteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparFeldspar Group minerals rich in Potassium or Sodium.
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.
Pyroxene > Clinopyroxene > Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
MagnetiteFe2+Fe3+2O4

Internet Links for MugeariteHide

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