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kimberlite |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
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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.
Properties..... Click the link for more information. . kimberliteor blue groundDark, 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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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As announced on December 19, 2006, the primary purpose of the 2007 winter core drilling program is to more fully define the volume, geology, dilution, density and grade of the Tuzo kimberlite pipe and also to upgrade the Tuzo resource. nbsp;Diamond property where kimberlite pipe MR 8 was discovered in Sept. Tuzo Kimberlite Pipe Materially Larger Than Previously Modeled |
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