I know that Lmcat was asking about the size of the tailings piles. From the MDA portion of the latest 10K
Copper grade ranged from a minimum of 0.16% Cu to a maximum of 0.43% Cu with the average being 0.36% Cu. The report also estimated the tailings to contain approximately 1.2 million tons of material.
with .36% copper that results in 8.64 million lbs of copper with .63% magnesium that results in 15.12 million lbs of magnesium with .32% zinc that results in 7.68 million lbs of zinc
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