Diamond

Dominion Diamond Corp. (TSX:DDC,NYSE:DDC) released a prefeasibility study for the Jay kimberlite pipe deposit, which is located within the Northwest Territories-based Buffer Zone joint venture property.

Dominion Diamond Corp. (TSX:DDC,NYSE:DDC) released a prefeasibility study for the Jay kimberlite pipe deposit, which is located within the Northwest Territories-based Buffer Zone joint venture property.

As quoted in the press release:

Jay is the most significant undeveloped deposit at the Ekati Diamond Mine due to its large size and high grade. Jay is located beneath Lac du Sauvage, a moderate sized lake north of Lac de Gras, and is approximately 1.2 km from the shoreline. The Jay pipe is approximately 7 km to the northeast of the Misery Pit and related infrastructure, and 30km to the southeast of the main Ekati mine infrastructure.

Highlights include:

Mined waste182.1 million tonnes
Mined ore45.6 million tonnes
Strip ratio3.99
Recovered carats84.6 million carats
Recovered grade1.9 carats per tonne
Initial development capitalUS$657 million1
Pre-stripping capitalUS$33 million1
Sustaining capitalUS$148 million1
Average diamond priceUS$86 per carat2
Pre-tax NPVUS$1,127 million
Post-tax NPVUS$610 million3
Real discount rate7%
Mine operational life11 years
Average total operating cost per tonne processed$75 per tonne4
Pre-tax IRR21%
Post-tax IRR16%3

Brendan Bell, acting CEO of Dominion, commented:

Completing this pre-feasibility study is an important milestone for Jay, a project that we hope will be a significant growth opportunity for the company and a long-term pillar of the Northwest Territories economy.

Click here to read the full Dominion Diamond Corp. (TSX:DDC,NYSE:DDC) press release.

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