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tangible benefits environmental gold mine mineral processing production line in USA

Feb 06, 2020· U.S. metalmine productionin 2019 was estimated to be $28.1 billion, or almost $500 million higher than in 2018. The principal contributors to the total value of metalmine productionin 2018 weregold(32%), copper (28%), iron ore (19%) and zinc (7%). U.S.productionof 13mineralcommodities were valued at more than $1 billion each in 2019.

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