Drill Results
Mines D'Or Orbec Announces First Batch of Assay Results from Summer 2025 Drill Campaign at Lac Bernard Sud Shows Promising Gold-Bearing Mineralization with Geologic Similarities to Adjacent Large Nelligan Discovery

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Executive Summary
- Preliminary assays from the inaugural seven‑hole drill program at Lac Bernard Sud (Muus Property) reveal multiple anomalous gold zones, confirming an orogenic gold system similar to IAMGOLD’s adjacent Nelligan deposit.
- Highest reported intercepts: 0.23 g/t Au over 3 m and a combined ~45 m interval with grades up to 0.20 g/t Au across holes MUUS25‑19 and MUUS25‑23.
- The mineralized zone remains open along strike and at depth; further drilling is planned to test continuity, expand the target, and evaluate higher‑grade zones.
Key Details
- Drill Program: 7 holes (4 reported) spaced over ~2.5 km in the Lac Bernard Sud anomaly, part of Phase 1 2025 campaign.
- Assay Highlights:
- MUUS25‑19: 15.8 m @ 0.15 g/t Au (incl. 0.97 ppm Au over 0.5 m; 0.28 ppm Au over 3.5 m).
- MUUS25‑23: Two intervals – 3 m @ 0.23 g/t Au (greywacke, silicified, ankerite, pyrite, arsenopyrite) and 17.7 m @ 0.20 g/t Au (siltstone/greywacke, ankerite, trace pyrite).
- Geological Context: Intercepts intersect sediment‑hosted, highly sheared, pyritized and silicified rocks within the Guercheville Deformation Zone, mirroring the lithology of the Nelligan orogenic gold system.
- Additional Holes: MUUS25‑21 and MUUS25‑22 returned no significant gold; assays pending for MUUS25‑20, MUUS25‑24, and MUUS25‑25.
- Future Work:
- Review all Phase 1 data and refine geological models.
- Conduct strike‑extension and depth drilling to the south.
- Await results from additional summer field work targeting surface expressions of sulfide‑bearing gabbro sills along the GDZ.
- Qualified Person: Technical information approved by Lucie Mathieu, P.Geo., QP (NI 43‑101).
Notable Quotes
“We are extremely excited to have intersected a sediment‑hosted mineralized zone with many geologic similarities to the adjacent Nelligan gold deposit… This has exceeded our target for this year’s drill campaign at Lac Bernard Sud.” – John Tait, CEO
All non‑material boilerplate and forward‑looking disclaimer text have been omitted.
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Dec 22, 2025 · 11:50