Calculation of Cost Data
Cu the mine would cost US$250 million, regardless whether the mine had a grade of 0.5% Cu or 1.5% Cu. With a grade of 0.5% Cu and a beneficiation recovery of 90%, ... is an operating cost cutoff grade. The mill recovery is 90%, i.e. ε= 0.9 (see Sect. 4.3). The general price trend at the time of the mine visit is around 40 US¢/lb Zn. WhatWeb
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