Mining Stock Daily Construction and Commissioning Update from the Bunker Hill Mine in Idaho
Mar 19, 2026
Sam Ash, CEO of Bunker Hill Mine, leads the restart, construction and exploration at the historic Idaho silver‑zinc‑lead operation. He updates timelines for a June restart. He describes mill commissioning, the critical tails paste plant, underground development and ore stockpiles. He covers two-concentrate plans, exploration targets, and use of geophysics and AI to find high-grade silver.
AI Snips
Chapters
Transcript
Episode notes
Processing Plant Nears Commissioning
- Bunker Hill will enter production in June producing zinc, lead, and a silver-rich lead concentrate for North American supply chains.
- The processing plant is >90% complete with mechanical equipment installed and electrical commissioning underway, moving into wet commissioning.
Tails Paste Plant Is Critical Path
- The tails filtration (paste) plant is the project's single most expensive and schedule-critical element enabling paste backfill underground.
- The paste plant is ~75% complete with most mechanicals installed and will be finished and commissioned in ~2.5 months.
Build Stockpiles And Backup Faces
- Mitigate startup ore shortfalls by building underground broken stocks and multiple accessible mining faces.
- Bunker Hill has >20,000 tons stockpiled underground and holds the near-portal UTC area as a reserve while starting at 8.0–8.2 levels.