Show ORE concentration on 01 rado ores nt at lp donar urr A gentleman well know in mining circlet circles has hail aiton alvon the following follow nig state run ma coral rating or of cazin ri sebor in denver Col colorado raJo the method of tort iq ii knoian as cobins ono one pla DewJi system i tho ore cro operated on WM vim twelve tons toile af 0 tellurium mixed with iron front from gold kooij hill cola ool as aa detoro concentration as lot lol IOWA silver sl 81 eleven and berith te tenths rith ounces etu 13 11 two and ono one tenth ounces total roin eoin baloe per too Sr tho the after concentration gave an silver 1 l ono one awl two tenths ou acas I gold ISM 60 twelve and suren soven months onnic on nrc etolil coin coia value per ton increase in ia 31 the tailings three and ono one hundred anti and eighty seven one entices in ia silver bierer and one bandied and ono one orinoco onecca in gold value per ton tho ila material could not be a d correctly for this lot boing being boa bea the first fill ap ot of the tha battene batte nei 4 ji j isi S oto ate it wilt be seen by tho the con that about 8 aj 14 evo been concentrated into ono it will also lio be toan on that tile the concentration of gold is ii not in the simo same ratio antio us its that of tho the silver the abo latter increase ino be bog to or ora 8 3 10 times if therold the galil had bud increased in the same proportion they should have had hal instead of 12 7 it ll is supposed tatt ilia gold will bo be fouad in ia tho the jigs slaves vie etc where it would probably remain on account of its itaR eat reat gravity graT ity Z looking 0 king at this from a oal 1 point 0 liow anyone boyone will at ones once seethe see the value of concentration 1 few ea would poy pay anything fo ore assaying it 11 ounces of at elvor and two ounce canoes of gold after concentration the smelter would 1 ply about the cost COBI of concentrating ii if about sa 3 per par ton or st 21 for tho the eight eig littin ama leav leaving ing a balatico to the minor miner of S 2 1 GC or 83 33 3 per ton tho the not only in increase the iba amount of rold gold and silver but banu iti value also ores as braying 00 aro or worth about 1 1 i cents per ounce when a 0 ounce oro ore ii n worth 1 01 per ounce concentration is ia based on the difference of gravity bot bottson tOon tho to lacta me tal sod the the chii ahm difference the thoi more noto casy my the separation the oro ore referred t ti aboto as operated on lad it a gravity ol of 2 27 for or gingaro and 45 lor for the ilia pyrite py rit while a loail lesl ore would have stood blood caneno 27 i ralena ralen ai the simpler assa yett rare taken not when tile concentrator was working at tho the most moa favored moment moin ont but from the lir general avor ngo ago at ils nominal working condition it will lie be broj that wo ill do ascribed scribed calias Ja ono one plunge jig a few cw months monalia ogo ago anil and the process is ia probably familiar to those in the concentration of ores tito alio gentleman who fornias tho the abobo facts WM was staying in ia deiv r nt at this ilia time the works star toJ and bozof in in the aun idt paid it close attention ho he ii in no wiy or shape in tho the works mentioned |