peridotite

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English[edit]

Peridodite
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Etymology[edit]

From peridot +‎ -ite.

Pronunciation[edit]

Noun[edit]

peridotite (countable and uncountable, plural peridotites)

  1. (geology) 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.

Translations[edit]