Show LEACHING SIOUX ORTS OETS rul FUL experiments BE ING MADE the and mcarthur forrett forres t process being beine tried by the sioux company good results we wb had the h pleasure ples eurt yer verday rJay ct cf A tinting alting the laboratory of mr W 11 sunderland in the building burldine buil dine adjoining S S jones janes gos cos store score mr sunderland is experimenting experiment inz on en the ores 0 of the sioux group of mines with the simp son aon and mcarthur farrest dairre L precess of leading and is meeting with great line euc ceils ceab ho BO finds dads that te le cm can got get i a larger pt of rai mineral out ont of the ore than was at first tup apposed ap posed I 1 and od sa as this laboratory was started f for or the purpose of determining if the sioux ores could be profitably treated bythe by the simpson kimpaon and mcarthur McArt faar forest process there is ia no glubt bat the largo leaching works contemplated bytha by tha sioux company will be erected at once the process is is the 0 one n e in use in the mercur mill at lewiston the metals are separated irom from the ruck in in the following fal lowing manner A tub or tat v with ich a false bottom is filled the crushed ore and a liquid charged with various chemicals is ia poured on the tha ore ora this percolates perca lates or filters through the ore and drips into a mier filter trough of various various compartments charged with zinc sine chips the liquid as it percolates through the was maes of ore becomes chstr charad cd with the gold and silver c contained on in tho ore and as aa it f filard ailt ra through the zinc line into the filter 1 arr u ah the zinc attracts the gold and silvi silver when the zinc is sufficiently charged it is ia taken out dried and sold as aa bullion according to its assay aasal value i the tailings are washed and dried and an assay one having bavin abeen been takes before the ore is treated shows what per cont age adoo of mi mineal has baa been taken out |