DIAMOND EXPLORATION: Underground sample returns over 2,500 commercial stones

SASKATCHEWAN - The final results from underground bulk sampling of the Orion South kimberlite returned 2,573 commer...

SASKATCHEWAN — The final results from underground bulk sampling of the Orion South kimberlite returned 2,573 commercial-sized diamonds collectively weighing 519.59 carats. The work was conducted by the Fort à la Corne joint venture (Shore Gold of Saskatoon 60% and Newmont Mining Corp. of Canada 40%).

 

A sample weighing 2,957.26 dry tonnes was collected about 150 to 200 metres from the shaft at 186 metres below the surface. A total of 64 diamonds greater than 1.0 carat were recovered. The largest ones weighed 32.96, 7.23, 5.97 and 3.17 carats. The largest stone was grey. The colour of 38% of the diamonds has been classified as white, and a further 40% as off-white.

 

Diamond-bearing concentrate is made on-site by a modular dense media separator (DMS). The concentrate is then passed through an x-ray Flow-sort, and those tails are passed across a grease table. Final diamond recovery is done by Mineral Services Canada.

 

A geological model of the Orion South kimberlite (as well as maps and photos) is posted at www.ShoreGold.com.

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