NOTES KOTES ON leid LEAD IN NEVADA AND UTAH t BY 4 it JIA luiis M EJ continued Contin ocil ores rrt tho majority of pinching orm ores which the ent elters of utah tail and 0 o deal aro are guterm aad a it the carbonates carbona teet salpho anil and of leal lead according Accor to llie lite and quality of the gingue we may them is I 1 ores containing all lite slog fling forming ingredients ingredient ingred ienn oxide or of iron silica hmel lime ia the proper proper tion or Sn everal ores norbeit no reit con cos co i mines 2 II sw im r ores with lilac iliac and oxide of 0 iron or manganese and no silica or not in sufficient quantities while pine rist camjon can i on Cotton cottonwood wool 3 acil in tir or lord liard ores with ailien and day clay prevailing bingham coa yon stockton tintic gintic humboldt brov provided wed lite ting forming ingrodi ing ants alone bo be present gilena ores orel when passed through a hast blast do not yield metallic lead at once but a mixture or of metallic lead with aulph uret of lead acal regulus regu lut matte tatie ly and other lither sulphured sulphur ets if such bo be pree eat cot an article that cindi no maket in order to produce metallic mc lillic lead g al I 1 anai may he be smelter smelted w with ith a an ad of mc tallio iron irod 3 5 per cent or more abio according cc to or art after r roasting in the lie first caso iho file iron unites with theR lie alphur of the galena to toa 9 a I 1 buret of iron called irule 1 cwi iwi cartr t I 1 A lead is set act free 1119 reaction ip however lioneT cr not colu complete as IS a considerable c quantity of and with i it 1 silver is ia retained by the iron matte matle necessitating another roasting and smelting smelling sm elting operation the iron matte acin being lighter than the lead lloita on the to top of the iho litter latter and thus can be fitly separated from it after cooling tito combined 9 and sm smelling elting 7 process pi becs is i preferable to tho the aroa 1 roa re ducai m process the galena is er catt st roasted in heaps stalls or furnaces rotating in heaps and stalls is ig cheaper che oper as the ore roay may be used in lumps and no expensive op ap titus is n required but it ill ii more Y tedious ons and incomplete and only suited for galenas containing a large taga of ot at iron or capper cipper the latter prevents the ore ping the transit g process proc caia the roasting in is is by b nil all means mcana the beat of gallons galena ores orce for sm smelting smelling elting la in this country it is generally dono done in small blex mexican ican furnaces called gablin dors a corruption of galens dores of the a shape hope given in a Kust kusters els levadi and california Califor oia processes sacE after tho the routing operation is ia finished tho the deot is so increased aliat that tho the ore is if converted into anili a thick ia lag principally silicate e of bowl which is ia drawn out or of the f furnace tir cooled and broken up into large piece convenient size eize the agglomerated rated ore is then passed through the blast furnace with the proper quantity of fluxes cerro gordi cordo cal big i cottonwood corinne Oo rinne the quantity agglomerated is 10 tons ions iu in 21 91 baars boars at a cost ol of bout about 1 per ton before smelling smelting sm elting alii ores ought to ie reduced to th proper im some of the OK area yielding a very my basic ring ping may be thrown into the iho furnace in any size without disturbing diat arbing lie he smelling smelting sm elting opi rations cos coa ore dut but licious ni and cal calcareous cIre ought to be reduced to pea rici size bi ze in a battory ball batt try cry enlen this Is ij juno done no f furnace can bo be tun run without folgo 0 and bir bar ores orea carrying much oxide of I 1 iron lile the mite fine rine orem ought to lo be 10 agglomerated in ia conjunction with in a furnace allerby the tha oxide of iron is is slugged and cannot be reduced to metallic ine lillio iron ly by subsequent sm smelling elting in a furbus natallio Nc ble tallio tallia iron not finding beat enough io a lead furnace to keep it sufficiently laid to run out with the slog slag congeal in tho the hearth and erml what hat Sm shelters smelters elters term oio aars horver these thebo names indicate iod ical the aversion evereton ave reton of ol 01 lead amel teri accumulation of ol 01 me mc tallio iron in ia the furnace arl very fine ores orea ought to bo be liate n atad a if y milk or of libia brai lir or gg lonier ai tea td in a r aa they either escape from the tup top if f ill alit furnace or roil through the abar chargo 0 O and arrive raw r before the tu yeres thereby form ing dozilva and the furnace the burtla otts OK are arc principally with and aad auri uri forces carbonates carbon acea of lead interspersed 9 probably products of these metals inet alS remainders remain dera deis of aich are still found mixed with the ore tho the iron ore is chiefly in m the shape of hydrated oxide of obion iron but of pilli atren areen ide hod of iron are sequent aud and phosphates of iron probably occur ill althou boush gli they have not dot yet y et beau observed tho the principal lead anil orea am are ro cert cc russil mite ind and galeas in pocket packets lint of lead ila hia been found very fro quo n fly in cavities alt beautifully crystal ric aed a owing to la the pre presence preat since of ani eDic and sulphur ui it these theeo ores no rit illation tiba of 7 natallio nt ut tAllio iron irda need lie feared as ibia bi luccal W in ill carried off iff io in the of a mixed sulp buret and at r iron let wed ingalf or FI diriell a very fusible compound the of gold in ia these ibex ores area with lad rise in ia the ibe e of lead cd the reverse Rub Hill gres id is the ibe cue with the ilver T lere are arc however atones of 1 I ore or which ild di not carry gold at all ill and only about SO 80 gr ol al silver illarr pet per ton ion mine I 1 think the average of the ore delivered i at t tho nolting cm en of forella is 11 li per nine of gold and varying formerly e men en area only 6 km 1 3 8 vey pir cent of lead were ditled in one along with ill dry ores the resulting ling lend lead was very rich up lap as h high is aa 1500 in gold tannin n and 1 I silver but tho the matt was also rich aising absing loit about 70 in ardd anti silver As matt ic quires additional espen siva operations to lo extract the useful met als from it it is better to a malio mako it to poor as pos possible aril and throw it over I 1 lie d it mp to d ilo a th thil is we it a v a to C r v a the be m principle plo th more llad in the cli charge arge the less IMS of the noble nobi cm emali will go gi ina ile bye prod neti TO iny BR I 1