Show WORKING refractory ORES A da Dl torry atrich 1 r exported Export fd I 1 from tho the virgi Virgin I lt chronicle gib abel Pa a citizen of erf sao francisco las has after a protracted experience per peri ienco ence in the working or of refractory ores both bolli in utah and nj this state slain anile do some vAl nible discoveries me aich will bo be or of interest to 0 o mining and mill men A garnett and prof thomas price catelion Pal Pat olion elion in 10 me hia and it is from their heir records that the iho accompany accompanying in 9 0 late ments are gathered eig eight tons of belcher oro ore were worked by ilia Iotch cn at an oakland mill in 10 charges of 2000 pounds each firo fire boura being devoted to each charge fhe charges at the abo mills r mdge I 1 from r am 1500 to 2000 pounds ii nd the reason tor for fixing tho the chargo charge at t 2000 according to mr garnett was in order to demond rato the arao final value of tho the i oven tion tile tho tabulated statement of the th results achieved through the ho medium of ihn ibis process furnishes tile tho an n nerod fien ren the amay ay iy give gave for tho the eight tons 77 7 io in gold aad ad ils 7 72 62 in silver or a total of 49 the tailings assayed 7 35 in rold gold and 83 07 in silver or a total of 81 6 02 tho average per cent of bullion extracts extracted tl from ouch ton toa of oro ata as aa follows bold Gol silver lver making a total ot of the other averages avera afford this show jog edg pulp aar ay bold 26 2322 22 silver 16 09 total 31 tall aiom gold t tl I 1 03 08 total ta 2 lor for l or the of com comparison parl aas mr arnett 1 I hato bavo ex aminee into tho the milling results ob gained by the process and at present employed on the cam stock oros sod and while I 1 find that certain mills obtain 75 to 0 o 80 per cent tho the average is between 65 and nd 70 per coat cent only for november tho the result of the iho belcher from tons assaying aA tying per ton 60 66 per par cent an and 1 I fo for r december from tons abaiy faai y jog 45 per too ton wai wa i 67 per cent being 23 per eat cent and 20 26 below the results por achieved ha levid by tile alie proc process esq only two corn com panics seam however to have fur for dished in ia their heir annual reports the gold sad and silver in ia the pulp assay separately which is necos siry to ile de tormine cormine tho the percentage of the results obtained these aro are tho iho halo norcross Norro aa sod and the savage mr garnett Oara ott io ia speaking of the Pat chera Proc cei said eaid that tho iho atten lion of mining moo men has been almost solely devoted to the perfection of mechanical appliances for the mining and milling of ore and an d that for this remon tho the appliances appliance a of metallurgy zed and chemistry had not been improved in a degree the tha inventor of ilia iho process says ays that the cost of its introduction in a mill is merely nominal nomi oal OT as there is u LO EO imbor important taut chingo from the mechanic roa 1 1 basom ye om at in vogue tho the ro 3 of the tha invention are thus do ascribed scribed sori bcd it his hid been customary to chloro dizo amalgamate eta in ia iron pans iron being a og agent his has of course boon ao an opposing in tho the old process proc bad has prevented chlorination tho the chemical heretofore used were not adanto I 1 to the of a thoro thorough agh chlorination riot ri tion the third chemical olic mical clement which mr introduces 8 1 bioc ces th abo perfect the tha is is about to attract a gro at deal of attention attoa tion on oa account or of I 1 he ha value that ii placed upon it and the results of future experiments will be watched for with interest |