CANADA - MARCH 26:  Colin Steyn, president and chief executive officer of LionOre Mining International Ltd., speaks during a news conference in Toronto, Ontario, Canada, with Ian Pearce, chief executive officer of the Xstrata Plc nickel unit, left, Monday, March 26, 2007. Xstrata Plc, the world's fifth-largest mining company, agreed to buy Canada's LionOre Mining International Ltd. for $4 billion, increasing nickel production by 36 percent at a time of record-high metal prices.  (Photo by Norm Betts/Bloomberg via Getty Images)