Show i MS M'S COPPER OUTPUT W V AS AS START Of BIG MINING The bi big results that have been obtained ob ob- ob tamed from mining the low grade copper copper cop cop- per ores iu in the tho mining district have astonished the tho mining world Operators Operators Opera Opera- Oper tors from froU every part of the tb country are aro I hunting for more of these porphyry ores Utah ha has the proud distinction of hein being the first fiel field to bo ho opened up upa upon on a profit making basis and now other low grade mineral districts aro are comin coming prominently to the front by reason ot 01 othe the thie he great r at profits that are arc being ma made o from the Bingham Binham copper coppe mines There never was a n time timo in in the tho copper copper cop cop- per business in in this country when minin mining operators were ere on the hunt for low lot grade grado porphyry copper ores n as at atthe atthe atthe the present time tm says the tho Now York Commercial Commercial- No 10 objection is made mado to I these deposits running into high grade but hut none none discovered to date show slow anything any any- an thing thin above aLoo 3 per cent copper at 1 a a maximum for foran an average run and anning min ann ann- jn ing ing operators arc quite satisfied with the present showing these deposits are making makl There Thero is no question questIn that aron among the tho big mining men who would just as soon throw info into a bi big deal as 1000 are on the hunt for this class of copper ore bearing deposits as they thoy were n before Tho great attraction of these 01 ore ote bodies lies in the tho fact that once you on determine what is the most efficient nt concentration for your ore the tho thoI I rest of tho the problem is jS merely a question I of work and blocking out tonnage The fact that these ores make into wi wide do I territories as us compared with wih ordinary vein ein deposits depo its makes it possible to expose ex I pose poso within n a period of two or three thre years what would take tako talo fifteen or twenty twenty I t ty ty- years to accomplish in tho the usual un tin- der ledge 1 mining In this fashion fash fash- ion once n a IH lug big tonnage is blocked out I all aJ worry wory about ore in si sight ht to keep tho the f mills mis busy ani vanishes es and a determined I value to tho enterprise is reached which could not be secured in an any other I fa fashion Won Tho Tilo big low grade copper deposits of this character opened open cd to date in this countr country aro those thos found at Bingham n ham Utah Ely Nov Kev Miami Ariz and tho the new developments dc at Kelvin Ariz While Whilo a good goo many prospectors are arc scouring tho the hills his for deposits of this I class no new ones hat havo recently been reported The rho strangest feature of these deposits de ile- ile posits is the fact that less than seven se years a ago o they were considered valueless value value- less because of the fact that it was impossible impossible im im- urn urn- possible to extract enough h copper from front the tho ore to make mako tho the transaction a profitable prof prof- one At present the extraction from these low grade deposits deposIt varies I from 67 to 70 O per ncr cent That is is in treat front in ing a ton of rock ock carrying 3 3 per per per- percent cent I copper or 60 GO pounds of metal to the ton tonof tonof tonof of ore ore if a saving n of 42 pounds of copper copper cop cop- copper per is made mado it represents a 1 70 per por percent percent porcen cen cent t extrac extraction tion I The Tho I The development in the han handling of these deposits dates brick back to tho the time wh when n work was abandoned on the old New York Nevada Copper company compan at El Ely as a gold told and silver mine mme and resumed several years ears later Inter as a 3 copper enterprise now represented by hy tho Nevada Nevada Ne Ne- o. o vada Consolidated Copper company company To J. J J Parker Channing belongs the tho credit for this discovery discover as 35 alter after his first examination of the thc property he lie foresaw foresaw fore fore- saw a future for it along lon the tuo lines of copper deposit which has developed eloped I into the tho bi big property that is well wel known toda today Later Colonel Wall Wal got the cue to open up his big holdin holdings s at lt Bingham Binham Utah now represented L by the estate of tho thue Utah Copper company compan for years cars thought to contain a 3 vast ast deposit of non commercial ore |