PDF-LITHIUM(Data in metric tons of lithium content unless otherwise noted)

94 Domestic Production and Use The only active lithium carbonate plant in the United States was a brine operation in Nevada Two companies produced a large array of downstream lithium compounds in th. 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 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 The total value was estimated to be about 16 billion Twenty eight companies operated 61 plants in 16 States The estimated percentage of salt sold or used by type was salt in brine 46 rock salt 36 vacuum pan 11 and solar salt 7 The chemical industry 106 Domestic Production and UseIn 2013, molybdenum, valued at about $1.4 billion (based on an average oxide price), was produced at 11 mines. Molybdenum ore was produced as a primary product at thre 106 Domestic Production and Use In 2011, molybdenum, valued at about $2.2 billion (based on an average oxide price), was produced by mines. Molybdenum ore was produced as a primary product at four mi 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 186 Domestic Production and Use atural zeolites were mined by companies in the United States, with 1other company working from stockpiled materials or zeolites purchasedfrom other producers for resal 48 Domestic Production and Use Domestic mine production of copper in 2010 declined by about 5% to 1.12 million tons but its value rose to about $8.4billion. The principal mining States, in descending 70 Domestic Production and UseIn 2013, domestic production of crude gypsum was estimated to be 16.3 million tons with a value of about $130 million. The leading crude gypsumproducing States were, in 48 Domestic Production and UseIn 2014, U.S. mine production of copper increased by 10% to about 1.37 million tons, and was valued at about $9.7 billion. Arizona, Utah, New Mexico, Nevada, and Montan Domestic Production and UseIn 2014, the production value of marketable potash, f.o.b. mine, was about $700 million. Potash was produced in New Mexico and Utah. Most of the production was from southea 26 Domestic Production and UseIn 2014, bauxite consumption was estimated to be 9.6 million tons, nearly all of which was imported, worth an estimated 269 million dollars. More than 95% of the bauxit 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