Abstract
Newmont Mining Corporation began commercial gold production using whole-ore bio-oxidation from Carlin Trend ores in 2000. Commercialization of the bio-oxidation process culminates a 12-year R&D project designed to recover gold from low-grade siliceous sulfidic refractory ores and low-grade sulfidic carbonaceous refractory. This paper outlines Newmont’s biomilling process and reviews data from the first year of commercial operation.
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