kimberlite


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kim·ber·lite

 (kĭm′bər-līt′)
n.
A variety of peridotite forming pipes in which diamonds and garnets are often found.

[After Kimberley, a city in central South Africa where several kimberlite pipes mined for large diamonds are found.]

kim′ber·lit′ic (-lĭt′ĭk) adj.

kimberlite

(ˈkɪmbəˌlaɪt)
n
(Minerals) an intrusive igneous rock generated at great depth in the earth's mantle and consisting largely of olivine and phlogopite. It often contains diamonds
[C19: from Kimberley + -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.kimberlite - a rare type of peridotite that sometimes contains diamonds; found in South Africa and Siberia
peridotite - a dark coarse-grained igneous rock consisting principally of olivine
References in periodicals archive ?
Brad Wood, the superintendent of technical services for De Beers Canada, says 16 other diamond-bearing kimberlite pipes have been discovered on their Victor Project property and the company is starting a winter program of core drilling to evaluate the individual size, shape and make-up.
Most of the diamonds sparkling on wedding rings were born in the Earth's mantle, 150 kilometers underground, and shot up to the surface mixed into columns of hot, fast-moving lava called kimberlite.
Finding a kimberlite is like finding a needle in a haystack says Janet Reid, former geologist with the Ministry of Northern Development and Mines.
There is a bit of a staking rush in the Timiskaming-Cobalt area as juniors and larger mining houses scout for viable kimberlite pipes.
However, that all changed when a junior exploration company, Contact Diamond Corporation (previously known as Sudbury Contact), discovered a kimberlite in Lundy Township named 95-2 during a three-year exploration program in 1995.
It's the case with its most recent discovery of the Lapointe kimberlite, 60 kilometres northwest of New Liskeard, just off of Highway 11.
The partners announced in late April evidence of a third kimberlite about eight kilometres north of De Beers Canada's proposed Victor diamond mine project near Attawapiskat.