PDF-LIME(Data in thousand metric tons unless otherwise noted)

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 22 billion At yearend. S mine production of copper in 2012 increased by 4 to about 115 million tons and was valued at about 9 billion Arizona Utah New Mexico Nevada and Montana in descending order of production accounted for more than 99 of domestic mine production copper 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 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 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 68 Domestic Production and UseAlthough natural graphite was not produced in the United States in 2013, approximately 90 U.S. firms, primarily in the Northeastern and Great Lakes regions, used it for 98 Domestic Production and UseIn 2013, magnesium was produced by one company at a 63,500tonperyear plant in Utah by an electrolytic process that recovered magnesium from brines from the Great Salt L 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 122 Domestic Production and UseIn 2013, the production value of marketable potash, f.o.b. mine, was about $649 million. Potash was produced in Michigan, New Mexico, and Utah. Most of the production 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 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 158 Domestic Production and Usemestic talc production in 2013 was estimated to be 531,000 tons valued at$18 million. Four companies operated six talcproducing mines in four States in 2013. The top t 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 Domestic Production and UseIn 2014, 1.26 billion metric tons of crushed stone valued at more than $12.8 billion was produced by 1,550 companies operating 4,000 quarries, 91 underground mines, and 210 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.