The Fucauma diamond mine is a diamondmine under construction in Angola. The mine is owned by a consortium of diamond mining companies, the two largest holders being Endiama with 40 percent ownership and Trans Hex with 35 % ownership. There are a limited number of commercially viable diamond mines currently operating in the world. ... A scattering of round-brilliant cut diamonds shows off the many reflecting facets. ... The El Chino Mine located near Silver City, New Mexico is an open-pit copper mine This article is about mineral extraction. ...
Following sampling and drilling research completed in 2004, a pilot mine was built at Fucauma. Full scale mining is expected to commence in mid-2005, with capacity to handle up to 750,000 cubic meters of ore per year producing an estimated 120,000 carats (24 kg) annually. 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... 2005 (MMV) is a common year starting on Saturday of the Gregorian calendar. ... The cubic metre (symbol m³) is the SI derived unit of volume. ... Iron ore (Banded iron formation) Manganese ore Lead ore Gold ore An ore is a mineral deposit containing a metal or other valuable resource in economically viable concentrations. ... The carat is a unit of mass used for gems, and equals 200 milligrams. ...
Probable reserves are 849,000 cubic meters of ore at an ore grade of 20.0 carats per 100 cubic meters (40 mg/m³). There is a waste rock overburden of about 3.3 million cubic meters. Ore grade is a measure that describes the concentration of a valuable natural material (such as metals or minerals) in its surrounding ore. ... Overburden is the term used in mining to describe material that lies above the area of economic interest. ...
References
Trans Hex 2004 Annual Report
Republic of Angola, United Kingdom Embassy (October 2002). "Newsletter No. 85".
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