Largest Primary Silver Miner’s Average Yield Declines 13% In 2012

The top primary silver mining company in the world, Fresnillo LLC saw its averge silver yield decline 13% in 2012.  The large percentage of the decline came from its flagship Fresnillo mine whose average silver ore grade fell from 396 g/t in 2011 to 328 g/t in 2012. The figures for the chart above came from Fresnillo LLC’s two primary…

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