mineral reserves are stated within the final design pit based on a us$878/ounce gold price pit shell with a us$1,350 /ounce gold price for revenue. the equivalent cut-off grade was 0.34 g/t au for all pit phases. the mining cost averaged cad$ 1.94/tonne mined, processing averages cad$ 14.50/tonne milled, and ga was cad$ 1.06/tonne milled.,ball mill design and drawing for,energy-saving ball mill-henan kefan mining machinery co.,ltd. ball mill39s foundation design and construction consult ball mill assembly diagram and foundation drawing. draw plan ball mill cad england description ore crushing mill drawing plans diy plans cad drawings saw ore samples and ball mill for rock.