A worker walks on a site of the Tongon g

A worker walks on a site of the Tongon gold mine operated by South African company on October 24, 2011 in Tongon, northern Ivory Coast. South Africa’s Randgold Resources Marc Bristow expects to be producing 1.2 million ounces of gold per year by 2015, and its operations will meet its 20 percent profit target even if gold falls to $1,000 per ounce, CEO Mark Bristow said. AFP PHOTO / ISSOUF SANOGO (Photo credit should read ISSOUF SANOGO/AFP/Getty Images)