Currently, the US is the leader in lithium ore mining.
"Chile was the largest lithium chemical producer in the world; Argentina, China,
Russia, and the United States were large producers also. Australia,
Canada, and Zimbabwe were major producers of lithium ore
"Approximately 50% of U.S. production came from spodumene ore in Bessemer
City, North Carolina (Lithco), 25% from spodumene ore in Kings Mountain,
North Carolina (Foote Mineral Company), and 25% from brine in Silver
Peak, Nevada (Foote Mineral Company). Chemetall sourced most of its sales from
Foote Mineral in the United States."
"Nevada is the leading U.S. producer of gold, silver, and barite; the
second largest producer of diatomite and lithium and the sole producer
of mined magnesite and mercury."
This page lists some mine sites around the world:
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Lithium ore mining
Lithium ore mining + US