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kimberlite
(redirected from kimberlitic)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.05 sec.
kimberlite: see diamond diamond, mineral, one of two crystalline forms of the element carbon (see allotropy ), the hardest natural substance known, used as a gem and in industry.

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kimberlite

 or blue ground

Dark, heavy, often fragmented igneous rock that may contain diamonds in the rock matrix. Kimberlite is a mica peridotite, an ultrabasic rock type with a complex and often highly altered mineral composition. It occurs in the Kimberley district of South Africa and the Kimberley and Lake Argyle regions of Australia, as well as near Ithaca, N.Y.

kimberlite [′kim·bər‚līt]
(petrology)
A form of mica periodite that is formed mainly of phenocrysts, olivine, phlogopite, and subordinate melilite with minor amounts of pyroxene, apatite, perovskite, and opaque oxides.


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The SUV/UCA exploration program has consisted principally up until now of the collection of heavy mineral sampling for kimberlitic and diamond indicators supplemented by analysis of airborne geophysics.
Star Uranium Announces Exploration Update by Business Wire
1 tonnes of kimberlitic material collected from the Lynx dyke system on the Foxtrot property in north-central Quebec.
Ashton Mining of Canada Inc.: Second and Third Lynx Trench Samples ... by Business Wire
TSX:MOY) (AIM:MOY) announced that Moydow has undertaken a ground geophysical survey on the Dala project in Angola and has identified several targets which bear all the hallmarks of kimberlitic style gravity signatures.
Moydow Mines International Inc.: Progress Report on the Dala Diamond ... by Business Wire
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