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Peridotite

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Peridotites are an ultramafic rock containing more than 40% olivine.


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Classification of PeridotiteHide

Sub-divisions of PeridotiteHide

Mineralogy of PeridotiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
PyroxeneA petrological term for Pyroxene Group.
Accessory minerals - these are minor components, often far less than 1% of the total mineral material:
ChromiteFe2+Cr3+2O4

References for PeridotiteHide

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

Internet Links for PeridotiteHide

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