Show LOW GRADE ORES OF TINTIC fred C dern of salt lake has tile the fol lowing to say re regarding garding the low grade ores of the tintic gintic utah district and of the his hia tory of the new mill now being constructed to treat those ores the tintic gintic mining dis dig brict produced up to the end of the year 1914 ore valued at over in mining it the various companies encountered ore that would not pay to ship to the smelters shelters sm elters tremendous tonnages ton nages of that ore have been left in the various properties awaiting the advent of some process that would treat it at a profit to the companies tile the facts that the tintic gintic ores are of a highly nature causes the smelter charges to be higher than the ores of a better fluxing flexing nature only the higher grade ores can be mined and shipped direct to the smelters shelters sm elters there are several millions of tons of low grade ore that is ore that cannot be shipped at a profit standing in the following mines bullion beek beck black jack f beek beck tunnel carisa centennial eureka eureka hill iron blossom chief consolidated colorado dragon eagle blue bell gold chain grand central mammoth and the he victoria X when these facts were brought to the attention of N C christensen jr and theodore P holt metallurgists who had been working on a process for the treatment of low grade ores a series of elaborate tests were made on the tintic gintic IF ores the tests proved satisfactory from ie practically every point of view and as a result the tintic gintic milling company was formed the process had been discovered in 1911 and had been worked out on a small scale by the mines operating company inthe park city utah district it was perfected and standardized by march 1914 and the plant at that time was treating tons per day and getting an extraction of about 75 per cent of the values this was being done with a crude hand operated furnace i the present mill that is being con strutted ted at silver city in the tintic gintic district will have a daily capacity of tons by adding additional roasting facilities and leaching vats the capacity can be readia brought up to tons per day it is ajaj a zt steel concrete mill and modern in every dej de tail N |