Corvus Gold Receives Sulfide Gold Recovery of +90% Using AAO Process at the North Bullfrog Project, Nevada
VANCOUVER, BRITISH COLUMBIA--(Marketwired - April 27, 2017) - Corvus Gold Inc. ("Corvus" or the "Company") - (TSX:KOR)(OTCQX:CORVF) announces the initial results from testing the Atmospheric Alkaline Oxidation ("AAO") method of oxidizing sulfide mineralization for low cost cyanide gold extraction (Figure 1). Initial results of the AAO method for oxidizing sulfide material resulted in overall gold recoveries of approximately 93% from milled material in the Sierra Blanca tuff (largest host unit), which is comparable to oxidized milled material recoveries in the current production plan. Results for the remaining three units are pending. Estimated additional operational cost to the mill material for the AAO process would raise the mill cutoff grade to approximately 0.65 g/t.