WebThe grease tables, a method used to separate diamonds from rock fragments, at Millars’ plant on Prairie Creek; circa 1913-1918. Courtesy of Dean Banks Media Time Period Early Twentieth Century (1901 - 1940) … Webgrease table [ ′grēs ‚tā·bəl] (mining engineering) An apparatus for concentrating minerals, such as diamonds, which adhere to grease; usually a shaking table coated with grease or wax over which an aqueous pulp is flowed. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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WebApr 29, 2008 · The Armstrong Grease Table is a relatively light weight, large capacity machine with a large water recovery and temperature control system. REQUIREMENTS For efficient grease recovery the following … WebFinal processing can include a grease belt or just a carpeted table where the diamonds are handpicked from the remaining material. Where are the largest marine deposits in the world (we think)? Namibia, on the western coast of southern Africa, holds vast deposits of gem-quality diamonds—possibly the largest marine deposits in the world. populated us city

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WebMay 2, 2008 · The grease table processing water must be kept at an operational temperature of between 20-24°C. At temperature below 18°C definite diamond loss will occur. At temperatures above 26°C gunge … WebFirst by methods that separate by specific gravity and then by more selective means such as grease tables and X-ray extraction devices that most directly separate the diamonds. … WebAug 1, 2007 · A blade scrapes the diamond-bearing grease off the belt and into an 85C melting tank. The diamonds drop out of the melted grease and are recovered, the … populate english