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.
This project is known as the Stella Polaris Project and it has been disclosed that there is the presence of a large pyrope dominated kimberlite indicator dispersion plume in the Wyoming craton in southern Saskatchewan.
Finding a kimberlite is like finding a needle in a haystack says Janet Reid, former geologist with the Ministry of Northern Development and Mines.
These claims are situated 2 to 26 km to the south of Shore Gold's diamond-bearing kimberlite bodies known as Star and 141.
There is a bit of a staking rush in the Timiskaming-Cobalt area as juniors and larger mining houses scout for viable kimberlite pipes.
Prior heavy mineral sampling by Motapa has recovered kimberlite indicator minerals with encouraging diamond inclusion chemical compositions in these license areas.
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.
Prospecting, till sampling and reconnaissance stream sediment sampling have resulted in the discovery of eight kimberlites in outcrop and an additional five areas with kimberlite rubble in glacial till where bedrock sources have not yet been found.
It's the case with its most recent discovery of the Lapointe kimberlite, 60 kilometres northwest of New Liskeard, just off of Highway 11.
VAA - TSXV) (60% interest) are pleased to report that delineation drilling at the Brauna diamond property in Bahia state, northeastern Brazil, has resulted in the expansion of the size of the Brauna 3 kimberlite.
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.