CHICAGO — Silver equivalent production for Coeur Mining Inc. reached the highest in company history at 39.4 million ounces in 2017, according to fourth quarter production and sales results released early January. Coeur’s full-year gold production was 383,444 ounces, 7 percent higher than in 2016.
Production growth was driven primarily by the Palmarejo mine in Mexico, where 2017 silver equivalent production increased 64 percent compared to 2016. The company also runs operations in Nevada, Alaska, South Dakota and Bolivia.
At the open pit heap leach Rochester mine in Pershing County, Coeur placed 16,444,270 tons in 2017, including 4,171,451 in the fourth quarter with an average recovery rate of 92 percent.
The Rochester mine produces silver and gold. For the year, the average silver grade at Rochester was 0.53 ounces per ton, and the average gold grade was 0.003 ounces per ton. Fourth quarter silver produced totaled 1,361 ounces, and gold totaled 18,995.
Coeur Mining has operated the Nevada mine since 1986 and celebrated 150 million ounces of gold poured in June 2017, according to Elko Daily Free Press archives.