kimberlite

noun
kim·​ber·​lite | \ ˈkim-bər-ˌlīt How to pronounce kimberlite (audio) \

Definition of kimberlite

: an agglomerate biotite-peridotite that occurs in pipes especially in southern Africa and that often contains diamonds

Examples of kimberlite in a Sentence

Recent Examples on the Web The samples of kimberlite, an igneous rock which sometimes contains diamonds, came from deep beneath Chidliak Kimberlite Province in southern Baffin Island. Rory Sullivan, CNN, "Scientists in Canada discover that an ancient continent was larger than we thought," 22 Mar. 2020 Diamonds come from kimberlite, a volcanic rock found in deep layers under the earth. Micaela Erlanger, Harper's BAZAAR, "This Hollywood Stylist Traveled to Africa to See How Diamonds Are Recovered Firsthand," 12 Dec. 2019 Conveniently, kimberlites record the erosion they experience, which wears them away from the top down. Quanta Magazine, "Asteroid Rate Jumped in Solar System’s Past," 17 Jan. 2019 On most old blocks of Earth’s continental crust, erosion has accomplished only a modest scrubbing, wearing down less than a kilometer of rock from kimberlites. Quanta Magazine, "Asteroid Rate Jumped in Solar System’s Past," 17 Jan. 2019 That accolade belongs to the kimberlites, ancient explosive volcanoes that propelled mantle material to the surface at frankly ridiculous speeds of around 110 miles an hour, carrying diamonds from the depths far closer to the surface. Robin George Andrews, National Geographic, "Magma speed record set by Icelandic volcano," 23 July 2019 The Nyurbinsky open pit mine spirals down for about a thousand feet, circling around a core of ore called a kimberlite pipe. Andrew E. Kramer, New York Times, "A Diamond Giant Plays Up Its Russian Ties to Appeal to Americans," 11 July 2018 The diamond-bearing kimberlite formations in the 11,000-foot high Maluti mountains had for years been largely untouched by mining companies, due to the difficulty and cost involved in extracting the stones from such heights. Alexandra Wexler, WSJ, "Miners Dig High to Hunt for the Most Valuable Diamonds," 12 July 2017 Kimberlites are volcanic eruptions that bring material from the depths where diamonds can form. Erik Klemetti, WIRED, "The Crazy Eruptions That Spit Up Diamonds," 5 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kimberlite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of kimberlite

1887, in the meaning defined above

History and Etymology for kimberlite

Kimberley, South Africa + -ite entry 1

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Time Traveler for kimberlite

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The first known use of kimberlite was in 1887

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Cite this Entry

“Kimberlite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kimberlite. Accessed 13 Jul. 2020.

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Rhyming Dictionary: Words that rhyme with kimberlite

Britannica.com: Encyclopedia article about kimberlite

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