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Peridotite vs Pyroxenite - What's the difference?

peridotite | pyroxenite |

As nouns the difference between peridotite and pyroxenite

is that peridotite is a rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle while pyroxenite is a heavy, dark igneous rock consisting mostly of pyroxene minerals with smaller amounts of olivine and hornblende.

peridotite

English

(wikipedia peridotite)

Noun

(en noun)
  • (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.

    • pyroxenite

    English

    Noun

    (wikipedia pyroxenite) (-)
  • (geology) A heavy, dark igneous rock consisting mostly of pyroxene minerals with smaller amounts of olivine and hornblende.