Loyalist discloses gold grade sensitivity for Tully resource estimate

what happened

Canadian explorer Loyalist Exploration has released additional grade-tonnage sensitivity data for the 2026 mineral resource estimate on its wholly owned Tully gold project in the Timmins camp of northeastern Ontario. Reuters reported the release, which the company issued itself.

The table shows how tonnage and gold grade in the underground estimate change at cut-off grades from 1.0 to 3.0 g/t Au. The calculations use stope shapes built at a 1.1 g/t Au cut-off with a 1.25-metre minimum mining width. At the 1.1 g/t cut-off, the indicated category holds 1,014 thousand tonnes at 4.80 g/t, or 156 thousand ounces of gold. The inferred category totals 604 thousand tonnes at 2.96 g/t, or 57 thousand ounces.

The company stressed that this is not a new or updated resource estimate and is provided for illustrative purposes. The data will inform a preliminary economic assessment (PEA) being prepared by P&E Mining Consultants, which will test underground mining scenarios. Loyalist said the higher-grade core remains robust even at elevated cut-offs.

why it matters

For markets this is company-level news from a small explorer and does not move the gold price. Investors may watch the PEA, since it could show whether an underground scenario is economic. The project is at an early stage, and there is no assurance the PEA will finish on schedule or produce positive results.

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