Peridotite vs Dunite - What's the difference?
peridotite | dunite |
(geology, mineralogy) A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle.
*2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 60:
*:Varieties of peridotite' are distinguished by their mineral composition; for example, dunite is a ' peridotite which is virtually all olivine, and a dense, dark green in colour.