February 20, 2013 Yamana Gold Inc. updated the reserve and/or resource estimates for its mineral projects.
December 31, 2008 For the year ended, reported that metallurgical recoveries are estimated at an average of 70 percent based on work completed to date.
July 24, 2008 The first resource estimate was announced. At a cut-off grade of 0.5 g/t gold, Measured and Indicated Resources are estimated at 1.985 million contained ounces of gold (87.5 million tonnes grading 0.71 g/t). Inferred Resources add an additional 561,000 contained ounces of gold (28.1 million tonnes grading 0.62 g/t). This resource estimate was prepared based on reverse circulation and diamond drilling, with a total of 107 drill holes (92 reverse circulation and 15 diamond drills) having been completed. In addition, 10 surface trenches have been completed utilizing an ordinary kriging method. Metallurgical testwork continues.