Drill Results
Radisson Expands High-Grade Gold Mineralization Across Previously Undrilled "Trend 1-Trend 2 Gap" at the O'Brien Gold Project
Radisson Mining Validates Deep Vein Continuity at O'Brien as Step-Out Campaign Targets 2.5km Horizon

Executive Summary
- Announced assay results from seven drill holes targeting the previously under-explored "Trend 1-Trend 2 Gap" at the 100%-owned O'Brien Gold Project in Québec.
- Six of seven holes returned significant high-grade intercepts, with highlights including 69.05 g/t Au over 1.0 m and 7.57 g/t Au over 9.7 m.
- Results demonstrate lateral mineral continuity between previously thought-discrete structural trends, directly informing future stope continuity modeling and mine infrastructure placement.
- The holes are part of an aggressive 140,000-metre step-out program that has achieved a 79.8% success rate since December 2024.
- Company guidance indicates a strategic shift to extend the exploration floor from 2 kilometres to 2.5 kilometres using pilot holes and directional wedging.
- MRE parameters maintained at a 2.20 g/t Au cutoff, US$2,500/oz gold price assumption, and a 60 g/t Au upper cap on individual assays.
Material Impact
- The release functions as an incremental validation of the established step-out exploration thesis rather than a market-moving discovery.
- The "Trend 1-Trend 2 Gap" was explicitly identified as a target in prior operational updates; closing this gap confirms geological continuity but does not drastically alter the resource envelope or PEA economics.
- High-grade intercepts are consistent with previous reporting and align with the company's stated 3-4 Moz exploration target.
- The market has been continuously pricing in lateral and vertical expansion through the publicly funded 140,000-metre campaign, making these results expected and routine.
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Company Overview
- Radisson Mining Resources Inc. is a Canadian exploration and development-stage company focused on the O'Brien Gold Project in the prolific Bousquet-Cadillac mining camp of Québec.
- The flagship asset features a high-grade, deep-seated quartz-sulphide gold vein system with multiple parallel mineralized zones.
- A July 2025 Preliminary Economic Assessment (PEA) outlined an 11-year mine life, C$532 million after-tax NPV (5%), 48% IRR, and US$861/oz cash costs at a US$2,550/oz gold price.
- Project design strategically relies on underground long-hole stoping and toll-milling at the nearby IAMGOLD Doyon mill to minimize initial capital expenditure and environmental footprint.
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Jul 07, 2026 · 06:32