Liberty Gold’s Black Pine NEPA review: permitting and design notes for mine planners
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
Liberty Gold’s Black Pine oxide gold project in southeastern Idaho has entered the US National Environmental Policy Act process, with the US Forest Service issuing a notice of intent to prepare a full environmental impact statement covering public scoping, technical studies and coordinated federal–state environmental analysis. The project, in the Great Basin, holds nearly 4.2 million oz indicated and is scoped to produce about 2.2 million oz over a 17‑year mine life, and is now a FAST‑41 covered project with a published, integrated permitting schedule. Idaho has committed to align state permitting with FAST‑41, making Black Pine the first precious metals mine to operate under a single coordinated federal–state framework, while feasibility‑level work continues toward a year‑end technical report.
Technical Brief
- Mine plan of operations was deemed administratively complete in November, enabling progression to full EIS.
- NEPA sequence will run from public scoping through draft EIS, public review, then final EIS issuance.
- Final EIS plus the mine plan will together underpin the federal record of decision for Black Pine.
- Pre‑NEPA technical and baseline workstreams are reported complete, implying substantial environmental and socio‑economic data already compiled.
- Black Pine is characterised as one of few large‑scale oxide gold deposits in the US Great Basin.
- October 2024 prefeasibility projects 2.2 million oz gold production over a 17‑year operating period.
- Liberty Gold’s market capitalisation rose to about C$650.6 million after the NOI announcement.
- Feasibility‑level engineering and economic work is ongoing, with a full technical report targeted before year‑end.
Our Take
Liberty Gold’s decision to sell the Goldstrike oxide gold project in Utah, as covered in our 24 March 2026 item, suggests Black Pine in southeastern Idaho is now the clear flagship, with capital and management attention likely concentrating on de‑risking this single large oxide gold system.
Within our 1,200‑plus mining stories, relatively few US gold projects combine multi‑million‑ounce oxide resources with coordinated state–federal permitting like Black Pine, which could make it a reference case for future Great Basin oxide gold developments seeking FAST-41 alignment.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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