Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
kimberlite .
Etymologies
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Examples
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Magmas known as kimberlites have the deepest origins of all magmas on Earth.
The Full Feed from HuffingtonPost.com James Gerken 2012
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Magmas known as kimberlites have the deepest origins of all magmas on Earth.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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Diamonds are formed under high pressure at least 150km within the earth's mantle, and are brought to the surface by volcanic eruptions in rocks called kimberlites, named after
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Eventually, volcanic rocks known as kimberlites are propelled to the surface during rapid eruptions, bringing the gems up to the surface.
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X-ray diffraction, and quantitative electron microprobe analysis of diamond indicator minerals, 'kimberlites', ore minerals and process metallurgical products (ores, concentrates, leach residues, etc.).
Recently Uploaded Slideshows davisonandassociates@slideshare.net(davisonandasso 2009
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Most are found in kimberlites, which are pipe-like formations created as a result of volcanic and tectonic activity.
Diamond 2007
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As diamonds in the Ekati kimberlites are only present at 1/5 of a gram per tonne, the geologist used more prolific diamond indicator minerals, like G-10 garnets and chrome minerals to point the way to diamondiferous pipes.
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"The country has more than a thousand kimberlites," or rocks which could contain diamonds, he said.
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"Much of the area covered by the Orapa and Jwaneng prospecting licences has never been fully explored using modern geophysical exploration techniques, and is considered to be highly prospective for the discovery of new diamondiferous kimberlites," the companies said.
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In terms of the agreements, De Beers will finance and carry out all exploration and evaluation work on kimberlites discovered in the project area.
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