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Results 1 - 3 from 3 for kimberlite pipes in 0.088 sec.
Debswana Diamond Mines Mining Technology
There are four pipes at Damtshaa. The 5.5ha B/K1, which was actually the first kimberlite to be discovered in the Orapa/Letlhakane province, partly comprises tuffisitic kimberlite breccia (TKB). ... /K15 kimberlite can generally be described as a diatreme-facies TKB. "In 2005, Debswana recovered a third successive record amount of diamond, despite a major slope failure." The kimberlite pipes at ...
www.mining-technology.com
De Beers Diamond Mine Mining Technology
Near Musina, northern South Africa Ownership De Beers Consolidated Mines Ltd (100%) Geology type Kimberlite pipes and dykes Mineral type Diamonds Reserve base 117.4Mt containing 115.7Mct of diamonds ( ... De Beers launched a reconnaissance sampling programme to locate the source of these alluvials. Viable kimberlite pipes were discovered in 1980, construction of the mine began in 1990 and full output ...
www.mining-technology.com
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diamonds | uncut diamond | gemstones | minerals | gems
Kimberlite pipes that were created as magma flowed through deep fractures in the earth. The magma inside the kimberlite pipes acts like an elevator, pushing the diamonds ...
extremescience.com
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