The U.S. mining company United States Antimony Corporation(USAC) has commenced antimony mining operations on land adjacent to its smelter plant in Thompson Falls, Montana.
Geological evaluation and antimony extraction
Since early 2025, USAC has progressively reacquired mining claims and properties near its current facilities. The company owns 24 acres of surface land and unpatented rights to approximately 1,200 acres.
[post_relacionado]A detailed review of the historical records and geological observations determined the feasibility of resuming the project. mining project in three vein systems in three vein systems with profitable production potential.
With a Small Miner Exclusion Statement(SMES) filed, the company is authorized to begin mining on five acres of patented property. In addition, a second SMES is anticipated to be filed along with exploration permits with the Montana Department of Environmental Quality(DEQ) and the U.S. Forest Service.
USAC’ s Montana smelter, the only smelter in operation in the United States, has until now been dependent on foreign raw materials. By integrating supply from its Montana operations with material from Alaska, the company seeks to consolidate an internal value chain, minimizing dependence on foreign suppliers, particularly from China.
According to Gary C. Evans, president and CEO of USAC, the U.S. government has strengthened its efforts to secure the supply of strategic minerals. strategic minerals. China’s restrictions on antimony trade have prompted domestic initiatives to re-establish local production capabilities.
With this reactivation, USAC establishes itself as the first company to resume antimony mining operations in U.S. territory in decades, reinforcing its status as a fully integrated company in the antimony production cycle, from mining to smelting and marketing.
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