Copper-market analysts believe that Zaire's high-grade ore could help create a world surplus of copper by the end of the decade, and bring prices down heavily.

ECONOMIST: Zaire

The current phase of production at the Ekati Diamond Mine includes ore sourced primarily from the lower grade, but high carat value, Fox open pit supplemented by underground production from the lower portion of the Koala kimberlite pipe and from the Koala North pipe.

FORBES: Harry Winston to Purchase Ekati Diamond Mine For $500 Million