Show Ds dips ap spurs and angles J near silver city new mexico edwards and mcadams have taken the eckard share of the hardscrabble lease and with J T janes have started work again at the melcher mine in the near vicinity of albion idaho a long tunnel is being driven in mine development and some ore is being encountered the mining review is informed that the property of the company is in excellent physical condition work on both sides of the pinos altos mountains in new mexico is pr progressing og rapidly on the west the empire zinc company is developing the cleveland and utter group and on the east and wright are working the savannah property william P fletcher has charge of work on the old gillet shaft which caved some time ago the total quantity of ore sold or treated in utah in 1913 was short tons an increase of tons the average total recoverable value per ton was in 1913 against in 1912 many tons of mine dump material produced years ago and of too low grade to ship were sold at a small profit practically all the early slag dumps have been disposed of the last being shipped from frisco U S G S actual work will soon begin in the construction st of the new COPP copper er leaching plant mine at ludwig for the nevada douglas nevada the first unit of the plant will have a capacity of tons daily the process the details which have not yet been made public is for the leaching of copper sulphide ore ores s in practice sulphuric acid will be produced in sufficient fent quantity to treat oxide ores it will require from five to six months to construct the plant and place it in commission the output of porphyry copper ores in utah in 1913 aggregated tons in 1913 against tons in 1912 the quantity of ores treated by the cyanide precess process decreased from tons in 1912 to tons in 1913 concentrating mills reduced tons of ore to tons of concentrates which with tons of crude ore were sent to smelters shelters sm elters salt lake county as shown by the following table continues to produce 65 per cent of the total metal output by value chiefly from its copper having furnished per cent of the total production of that metal and 90 per cent of the total tonnage of ore treated U S G S copper production increased in utah from pounds in 1912 to pounds in 1913 the bingham district led in production with pounds of copper against pounds in 1912 pounds in 1911 and pounds in 1910 the tintic gintic district yielded pounds in 1913 against pounds in 1912 and 10 pounds in 1911 the park city district of summit and wasatch counties produced pounds in 1913 against 1 pounds in 1912 and il pounds in 1911 beaver county yielded pounds in 1913 against pounds in 1912 and pounds in 1911 U S G S I 1 the value of the mine output of gold silver copper lead and zinc in utah in 1913 was compared with 42 in 1912 according to victor C heikes of the united states instates geological survey the production of gold was valued at a decrease of or 1642 per cent compared with 1912 the largest producer of gold was salt lake county which yielded against in 1912 the west mountain or bingham district in salt lake county produced or per cent of the total output the tintic gintic district in juab and utah counties ranked first in gold output in 1912 but was second in 1913 with or per cent of the total tooele thoele county produced in 1913 in 1912 and in 1911 for many years the largest producer of gold was the consolidated mercur mine in the camp floyd district this mine was closed in 1913 and its cyanide mill dismantled and sold the ore bodies having become exhausted |