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The Jwaneng Diamond Mine is situated within the Orapa Kimberlite Field. [14] In the mine lies the "Jwaneng pipe," [15] a volcanic crater formed during the Permian period. [16] The mine consists of three kimberlite pipes. [17] Diamond-bearing ores are extracted from the vast pit and transported to processing facilities and manufacturing ...
The key technology of the diamond drill is the actual diamond bit itself. [4] It is composed of industrial diamonds set into a soft metallic matrix. As shown in the figure, the diamonds are scattered throughout the matrix, and the action relies on the matrix to slowly wear during the drilling process, so as to expose more diamonds.
Diavik Diamond Mine is an industrial complex set in a remote, subarctic landscape. It consists of four kimberlite pipes associated with the Lac de Gras kimberlite field and is located on an island 20 km 2 (7.7 sq mi) in Lac de Gras informally known as East Island. It is about 220 km (140 mi) south of the Arctic Circle.
The Williamson diamond mine is a large open pit mine currently about 90 meters (300 ft) deep. Diamond mining operations at the Williamson diamond mine are composed of four distinct activities: mining of the pit, re-treatment of tailings to recover missed diamonds, and gravel mining both on the property and adjacent to the property where gravel has been alluvially deposited.
The Aykhal mine is one of the largest diamond mines in Russia and in the world. [1] The mine is located in the north-eastern part of the country in the Sakha Republic, near the settlement of Aykhal. [1] The mine has estimated reserves of 40.7 million carats of diamonds and an annual production capacity of 1.3 million carats.
Golconda diamonds are mined in the Godavari-Krishna delta region of Andhra Pradesh, India. Golconda Fort in the western part of modern-day Hyderabad was a seat of the Golconda Sultanate and became an important centre for diamond enhancement, lapidary, and trading. Golconda diamonds are graded as Type IIa, are formed of pure carbon, are devoid ...
The Ekati Diamond Mine, often simply called Ekati, is Canada's first surface and underground diamond mine [1] and is owned by Burgundy Diamond Mines. It is located 310 km (190 mi) north-east of Yellowknife, [2] Northwest Territories, and about 200 km (120 mi) south of the Arctic Circle, near Lac de Gras. Until 2014, Ekati was a joint venture ...
The Argyle Diamond Mine was a diamond mine located in the East Kimberley region in the remote north of Western Australia. Argyle was at times the largest diamond producer in the world by volume (14 million carats in 2018 [1]), although the proportion of gem-quality diamonds was low. It was the only known significant source of pink and red ...