| Show SHANNON COPPER ROASTING ORES IN THE MINE SHAFT FOR smokestack el paso texas june 23 J W bennie manager of the shannon copper companas Comp anys properties at gleeson ariz is experimenting with a novel method to handle the sulphide ores in the mine there we have set f ire fire to the sulphide ore bodies from the f foot oot level to the surface he said while in el paso a few days ago it is estimated it will take from 12 to 18 months to burn out the sulphur afterward the fire area will be flooded and the water used for leaching the copper contents mr bennies plan is to smelt the ore right 6 in the mine mine it is said to run f from rom 2 to 3 per cent copper and 25 per cent sulphur mine timbers will provide fuel the shaft will serve as a smokestack mining engineers in the southwest say this is one of the most ingenious methods ever heard of to treat low grade ore P economically on a big scale and they are watching the experiment with keen interest A later report f from rom the property states that considerable difficulty is being encountered in getting the fires to burn they have gone out twice and have been stated again cecur m ing a good draft seems to be the trouble mine to be developed in center of town plans of la flor del valle mining company of el paso which owns the potosi mine at cusihuiriachic chihuahua are to develop the property at depth the property properly consists of 38 acres within feet of the railroad between the chihuahua pacific and cus cusihuiriachic and practically in the center of the town th the e potosi mine is developed with a shaft shaf t feet in depth all timbered and a crosscut cross cut feet the shaft is sunk in andesite but feet of the crosscut cross cut is in rhyolite which assays essays f from rom 60 to grams silver to the ton the mine is equipped with all the tools and machinery necessary to continue the work by sinking the shaft to a depth of feet sulphide ore should be encountered which judging from the ores at that depth in the adjacent mining properties one above called the santa marina and the other below called the san miguel assays essays from three to eight kilos of silver per ton the santa marina mine has produced and the san miguel mine is now producing these two properties belong to the interests owning the eruption mine one of the most productive properties in the state of chihuahua officers of the la flor del valley mining company are president B blumenthal vice president adolf schwartz secretary E C held heid treasurer W H shelton the company is incorporated under the laws of arizona with a capitalization of in shares of 1 each phelps dodge operations 60 per cent normal E G beckett general manager of the phelps dodge corporation po ration says that copper production at douglas ariz is bein being maintained on a 60 per cent basis monthly production at douglas smelter including nacozari Naco zari concentrates is at the rate of about 10 pounds or two thirds of normal two furnaces and two or three blast furnaces are kept in operation the bisbee concentrator is treating tons a day from sacramento hill with direct smelting smelling sm elting ore coming from the deep mining operations and from a number of leases at nacozari Naco zari the moctezuma branch is concentrating about tons of ore a month the morenci branch is producing pounds of copper a month mainly from concentrates treated at the smelter below clifton no 6 concentrator at morenci is practically complete with daily capacity for tons although this full capacity will not be used until improvement is known in the copper situation at tyrone N M asdall a small production of copper precipitates is being made from the leaching of old dumps the phelps dodge coal mines at dawson N M and its coke ovens are being operated under normal capacity edward J foster of las cruces N M owner of the torpedo mine in the organ mountains has put a small force of men at work there they are cutting the dump three ways to ascertain what sort of leaching plant is best adapted to handle the ore practical mining men have been selected to deliver addresses to students in engineering at the university of arizona at tucson next term as follows percy P butler smelter superintendent with the phelps dodge company at douglas arthur crowfoot mill superintendent with the phelps dodge company at morenci J H R samuels head of the investigation department of phelps dodge company at douglas 6 W G mcbride general 6 manager of the old dominion copper company at globe ch charles arles consulting aultin engineer with officers at bisbee D M rait assistant 6 mine s superintendent ri with the calumet arizona copper company at warren dr louis F reber chief geologist with the united verde copper company at jerome and dr G J mitchel chief geologist with the cananea cananda consolidated copper company sonora mexico |
