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Exploration diamond drilling differs from other geological drilling (such as Reverse Circulation (RC) Drilling [3]) in that a solid core is extracted from depth, for examination on the surface. 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.
After the yellow ground had been exhausted, miners in the late 19th century accidentally cut into the blue ground and found gem-quality diamonds in quantity. The economic situation at the time was such that, with a flood of diamonds being found, the miners undercut each other's prices and eventually decreased the diamonds' value down to cost in ...
Canadian diamonds are diamonds which have been mined in any one of the provinces and territories of Canada. Diamond-rich areas were not commercially extracted in Canada until the early 1990s. [1] For the first 60 years of the 20th century, diamonds originated from kimberlite pipes and alluvial deposits in places such as Africa and some from ...
That diamond on your wedding ring isn't as rare as you might think, according to new research. There are over a quadrillion tons of diamonds lurking 100 miles below the Earth's surface, according ...
Ekati Diamond Mine, 2010. Fipke is credited as a co-discoverer of the mine, and retained a 10% interest until 2014, which made him a very wealthy man. Charles Edgar "Chuck" Fipke CM (born 1946) is a Canadian geologist and prospector who discovered the existence of diamonds around Lac de Gras in Canada's Northwest Territories. He is now a ...
Argyle diamond mine The open pit of the Argyle diamond mine. A large mining truck is visible on the road for scale. Location Argyle Diamond Mine Location in Australia Location Lake Argyle State Western Australia Country Australia Coordinates 16°42′44″S 128°23′51″E / 16.71222°S 128.39750°E / -16.71222; 128.39750 Production Products Diamonds History Opened 1985 Closed ...
Big price tags and diamond jewelry typically go hand in hand. Engagement rings can easily set you back a few thousand dollars, especially if you are looking for the highest quality in cut, clarity ...
The Tiffany launch coincided with an exclusive "life of mine" offtake contract between Tiffany's diamond sourcing and polishing subsidiary, Laurelton Diamonds, and the Kimberley Diamond Company (a subsidiary of Gem Diamonds), for the supply of so called Tiffany Quality (TQ) Fancy Yellow diamonds from Ellendale. [2]