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[kim-ber-lahyt] /ˈkɪm bərˌlaɪt/
Petrology. a variety of micaceous peridotite, low in silica content and high in magnesium content, in which diamonds are formed.
Origin of kimberlite
1885-90; named after Kimberley, South Africa; see -ite1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for kimberlite
Historical Examples
  • The diamonds at Kimberley are found in a blue earth, technically known as kimberlite and commonly called "blue ground."

    An African Adventure Isaac F. Marcosson
  • "We placed the instruments without difficulty," Balgos began—and Connel's eye caught sight of the kimberlite samples on the table.

    The Flaming Mountain Harold Leland Goodwin
British Dictionary definitions for kimberlite


an intrusive igneous rock generated at great depth in the earth's mantle and consisting largely of olivine and phlogopite. It often contains diamonds
Word Origin
C19: from Kimberley + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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kimberlite in Science
A type of peridotite consisting of a fine-grained matrix of calcite and olivine and containing phenocrysts of olivine, garnet, and sometimes diamonds. Kimberlites are found in long, vertical volcanic pipes, especially in South Africa.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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