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Orapa is an open pit style of mine and is the largest diamond mine in the world by area. The mine is located on two kimberlite pipes that converge near the surface, covering 1.18 km 2 (0.46 sq mi). Orapa operates seven days per week, and produces 20 million tonnes (20,000,000 long tons; 22,000,000 short tons) of ore and an additional 40 million ...
Cullinan Diamond. The Cullinan Diamond is the largest gem-quality rough diamond ever found, [2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the owner of the mine. In April 1905, it was put on sale in London, but despite considerable ...
Deep sea mining is the extraction of minerals from the seabed of the deep sea. The main ores of commercial interest are polymetallic nodules, which are found at depths of 4–6 km (2.5–3.7 mi) primarily on the abyssal plain. The Clarion–Clipperton zone (CCZ) alone contains over 21 billion metric tons of these nodules, with minerals such as ...
Opal is a hydrated amorphous form of silica (SiO 2 · n H 2 O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous chemical structure, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals. It is deposited at a relatively low temperature and ...
Lupin Mine was a gold mine in Nunavut, Canada. It opened in 1982 and was originally owned and operated by Echo Bay Mines Limited, [2] who in 2003 became a fully owned subsidiary of Kinross Gold Corporation. [citation needed] The mine ceased production briefly in August 2003, but was restarted in early 2004 to recover old stope pillars with a ...
The mine produced 366,000 troy ounces (11,400 kg) of gold through 1959. [14] The last gold mine to operate in Arizona was the Gold Road mine at Oatman, which shut down in 1998. Patriot Gold is exploration drilling at the Moss mine at Oatman. [15] In 2006, all of Arizona's gold production came as a byproduct of copper mining.
Gold Rush. (TV series) Gold Rush (titled Gold Rush: Alaska in the first season) is a reality television series that airs on Discovery and its affiliates worldwide. The series follows the placer gold mining efforts of various family-run mining companies, initially in Alaska, but then mostly in the Klondike region of Dawson City, Yukon, Canada.
HK36TTS Super Dimona. The HK36TTS has an 86 kW (115 hp) Rotax 914 F3 or F4 turbocharged engine, a Muhlbauer MTV-21-A-C-F/CF 175-05 propeller, 16.6 m (54.5 ft) wingspan, 28:1 glide ratio, and conventional landing gear. Received US FAA type approval on 25 September 1997 in the utility category at a gross weight of 770 kg (1,698 lb).