kimberlite definition

  • noun:
    • A rock formation in Southern Africa containing peridotite, where diamonds are created.
    • multiple peridotite containing a high proportion of co2; usually includes diamonds.
    • In petrography, a dense porphyritic peridotite, happening at Kimberley, South Africa, partly serpentinized with phenocrysts of olivin in accordance with a number of biotite, bronzite, ilmenite, perovskite, and pyrope.
    • an uncommon sort of peridotite that occasionally contains diamonds; present in Southern Africa and Siberia

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