PDF-SILVER(Data in metric tonsof silver content unless otherwise noted) ..

Domestic Production and UseIn 2014 the United States produced approximately 1170 tons of silver with an estimated value of 718 million Silver was produced at 3 silver mines and as a byproduct or. Silver was produced at 3 silver mines and as a byproduct or coproduct from 39 domestic base and precious metal mines Alaska continued as the countrys leading silver producing State followed by Nevada There were 14 US refiners that indicated producti 6 billion was produced by 120 companies from 177 operations in 31 State s Leading States were in order of tonnage produced Wisconsin Illinois Texas Minnesota Oklahoma Arkansas Michigan and Iowa Combined production from these States accounted for 74 o In addition 3 of domestic gold was recovered as a byproduct of processing base metals chiefly copper Thirty operations yielded more than 99 of the gold produced in the United States Dome stic gold mine production in 2013 was estimated to be about 22 Based on published market prices the value of primary metal production was 407 billion Aluminum consumption was centered in the East Central United States Transportation accounted for an estimated 36 of domestic consumption the remainder was used in 94 Domestic Production and Use The only commercially active lithium mine in the United States was a brine operation in Nevada. The mine’s production capacity was expanded in 2012, and a new lith 108 Domestic Production and UseThe United States had only one active nickel mine in 2013a greenfield, underground operation in Michigan. Contractors completed the main decline tunnel of the new chal 118 Domestic Production and Use Phosphate rock ore was mined by 6 firms at 12 mines in 4 States and upgraded to an estimated 28.4 million tons of marketable product valued at $ 2.7 billion, f.o.b. mi Domestic Production and UseA tungsten mine in California produced concentrates in 2013. Approximately eight companies in the United States processed tungsten concentrates, ammonium paratungstate, tun 186 Domestic Production and UseThe value of zinc mined in 2013, based on zinc contained in concentrate, was about $1.60 billion. Zinc was mined in 4 States at 14 mines operated by 4 companies. Two f 46 Domestic Production and Use Significant U.S. cobaltmine production has not been reported since 1971, and production of refined cobalt from imported nickelcoppercobalt matteceased in 1985. U.S. sup Domestic Production and UseIn 2014, an estimated million tons (21 million short tons) of quicklime and hydrate was produced (excluding commercial hydrators), valued at about $2.2 billion. At yearend, 130 Domestic Production and UseDuring 2013, ores containing rhenium were mined at seven operations (four in Arizona, and one each inMontana, New Mexico, and Utah). Rhenium compounds are included in 34 Domestic Production and UseBromine was recovered from underground brines by two companies in Arkansas. Bromine often isthe leading mineral commodity, in terms of value, produced in Arkansas. The Domestic Production and UsePhosphate rock ore was mined by 5 firms at mines in 4 Statesand processed into to an estimated 27.1 million tons of marketable product valued at $2.4 billion, f.o.b. mine.