The US currently has no mined supply of antimony trisulphide. Perpetua is planning to re-establish a domestic supply of the critical mineral antimony as a byproduct from its Stibnite gold project located in central Idaho.
According to the United States Geological Survey, the Stibnite project contains one of the largest economic reserves of antimony (estimated at 14.2 million tonnes grading 0.42% antimony) and could supply approximately 35% of US demand in the first six years of production.
Site visit: Perpetua Resources’ Stibnite gold project in Idaho named preferred alternative
The DPA funding allows the company to advance the construction readiness of the Stibnite project while the company continues through the ongoing permitting process, including a final environmental impact statement and a final record of decision, led by the United States Forest Service.
Under the funding agreement, Perpetua said it may request…
