| Show CHEAP AND EFFECTIVE ORE REDUCTION perhaps in no other I 1 1 austry is ig there so much waste and expense as in that of reducing ores an I 1 extracting from them the more precious antl devise as we may there is ie always a certain perc percentage outage of the desired articles clings tenaciously to their longtime long time associates and cannot be separated this circumstance in count con ott on in with the ex pou sebas hus ma e the milling or smelting smelling sm elting ot of low grade ores below a certain limit out 0 the question Ln and thus a large quantity ot or trea treasure gure la in a widely diffused salate MI ate Is 18 altogether undisturbed the amount of such uncovered wealth in utah territory Is i of course only a conjecture but that it amounts to enough to square off what is let of the nat onal debt something over a billion there would seem to be no doubt under such circumstances inventive skill has been put to aud and kept on a strain to devise some means meana of at 0 anoe nef a increasing the percentage of mutala metals extracted aud and making the process cheaper and that we are destined to reach this an and d at a not very distant day is well assured A now new process has been recently patented by mr gervase gervace brown of this city aud and it is now in operation at the sampling works dr dry urea ores from utah idaho aud nevada have been i by this process by J C barvin esq of leadville colorado a gentle gentieu maii ua i of many years experience peri ence lu iu the reduction of ores orea currying carrying the metals there have been several working tests testa made under this process of different grades of sulphide ores carrying both gold and silver which were roasted alter after pulverizing from five to twenty minutes and the result showed a saving alter after leaching of 99 per cent of the asay value in oi 01 a made in the mill at the conklin smelting smelling Sm elting wi the ore was put through a twenty mesh screen and boasted for five mi minu Dutee tec atter after which it was wag put in the leaching tank for eight hours and the result showed a saving of 99 per cent of the silver and 90 per cent of the gold another test of sulphide ore carry inie inic 50 per cent ceni of iron and copper 36 in goll gold and 18 ounces in silver was roasted twenty minutes in the leaching tank ton ten hours and there was bothi g but a trace of either gold or all silver ver left ef t in the ti tailings I 1 i these tests were made under more unfavorable circumstances than auld w uld exist in the liao treatment of large quantities in a properly constructed mill mid with team steam to beat the solution and hold it at a proper temperature which la 18 very es essential tu to obtain the best results the gervase brown process it hao been demo nitrated net rated wili w I 1 I 1 I 1 treat quickly and successfully all dry gold silver ilter and copper coppe ores The capperis j by itself and the gold silver and lead are got out together and run into bullion some of which has baa run from 2800 to per ton this process proc eai simply reduces re luces any kind of ore into bullion at a cost coat of per ton unless the ore carries pyrites of iron I 1 in n which case there is incurred an additional cost of fifty cents per ton the produced to i floe due and when the gold silver aud and lead are separated it runs rune as already state 1 from 2800 to per too ton rho cost coat of a ton plant is about it ane 0 a is very rebellious and has baa to bj bd roasted roi ted the roaster will cost coat about additional a an interview with the inventor in this city was waa the means meana of ratifying the foregoing t who is ia not only willing to explain the workings of the new process proceed but to show its mechanism laai auf results it would seem to point to something of 0 a revolution in our processes ot ol reduction and thus be the means of bringing any number of mini g properties iea at present obscure and unworked prominently an I 1 profitably before the public papers evoked exclusively to mining and its oon con speak in the abe highest terms of the he invention and it would seem as it if by this and other means a now new con of things was upon us now let some one invent a cheaper more thorough more rapid and less dangerous moth method d of extrAct log ores from the bowels of the earth to which complexion alexion n we may come at last an i the wealth ot this favored land could not be measured |
