Shut Nova Scotia mine’s $86M gold: stockpile plan and closure lens for engineers
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
St Barbara has secured Nova Scotia approval to reprocess about three million tonnes of 0.4 g/t stockpiled ore at the closed Touquoy gold mine, targeting 38,000 oz of gold over 10–14 months with all-in sustaining costs of $1,598/oz and capital outlay of C$11.4 million to refurbish the mill. The industrial permit prohibits new mining, confines activity to the existing footprint, and requires all tailings to be backfilled into the open pit under an C$80 million reclamation bond. The campaign, expected to support 197 jobs, also underpins St Barbara’s 15‑Mile hub concept, aiming for 100,000 oz/year from 2030–2040 across 697 sq. km and 56 exploration targets.
Technical Brief
- Permit is issued as an industrial approval regulating processing only, with explicit environmental and human health conditions.
- Ore stockpile originates from mining that ceased in 2023 at Touquoy, ~100 km northeast of Halifax.
- Nova Scotia holds a C$80 million reclamation bond from Atlantic Mining to guarantee full closure works.
- Site reclamation, initiated in 2024, continues across most of the lease, paused only around the mill during processing.
- All processed waste must be deposited into the existing open pit, eliminating need for new tailings infrastructure.
- Nova Scotia’s new Large Infrastructure File Team delivered the approval within the province’s target permitting timeframe.
- The reprocessing campaign is expected to support 197 jobs, including rehiring Touquoy’s former management team.
- Provincial critical minerals strategy (2024, updated 2025) designates gold as a strategic mineral alongside 20 critical minerals.
Our Take
The related February 2026 piece on St Barbara’s 697 sq. km exploration push around the 15-Mile hub shows that the 56 targets within a 75-km radius are already part of a much larger, district-scale mesothermal gold play in Nova Scotia rather than a standalone stockpile clean-up.
With only a handful of gold-price pieces but many project- and sustainability-tagged items in our database, Touquoy’s low-grade (0.4 g/t) stockpile reprocessing fits a pattern where operators in Canada are trying to extract marginal ounces while simultaneously demonstrating progressive closure and reclamation performance.
For a mid-tier valued at about A$853 million, the C$11.4 million capital outlay at Touquoy is relatively modest, suggesting St Barbara can treat this as a short-cycle option on higher gold prices while preserving balance sheet capacity for larger Nova Scotia or international growth moves flagged in other coverage.
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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