Stibnite Gold Project
America's attempt to restart domestic antimony mining after mining none in 2024.
- Material
- Antimony
- Stage
- Planned project
- Place
- Valley County, Idaho, United States
- Operator
- Perpetua Resources
- Coordinates
- 44.91° N, 115.33° W (approximate)
- Expected online
- 2029


Seen from orbit
- Heat
- 0 of the last 7 days and 0 of the last 30 had furnace-hot pixels within 6 km (NASA FIRMS).
- Surface temperature
- Landsat, 16 Oct 2026: typical ground 11.3 °C; 10.5 ha more than 8 °C warmer than the land around it; hottest spot 11.0 °C above it.
- Radar
- Latest Sentinel-1 radar picture: 29 Oct 2026.
Signals show activity, not output. They are measured automatically and can be affected by weather, terrain and fires.
Facts
- Expected to hold the only identified antimony reserve in the US
- Early construction began in 2026; gold and antimony production planned from 2029
- JPMorgan paid $75 million for a 2.7% stake (Fortune, Oct 2026)