Portuguese Tungsten Discovery
Allied Reports Broad Tungsten Intercepts at Borralha Project in Portugal
Anonymous
Allied Critical Metals reported results from four additional 2026 infill drill holes at the Santa Helena Breccia, part of its Borralha tungsten project in northern Portugal, confirming broad mineralization within the existing resource envelope. Highlights included 63.4 meters grading 0.16% WO₃, including 15.8 meters at 0.36% WO₃, and 43.4 meters grading 0.17% WO₃, including 25.6 meters at 0.25% WO₃. The results show broad tungsten zones containing narrower higher-grade intervals, consistent with the geological model and bulk underground mining concept evaluated in Borralha’s preliminary economic assessment. Allied said the drilling will support resource conversion, mine planning, geotechnical and metallurgical studies, and the project’s progression toward feasibility-level work. The company is also exploring the Venise Breccia, about 400 meters northwest of Santa Helena, where earlier drilling identified additional tungsten and molybdenum mineralization.
Key Points
1
The reported intercepts were estimated true widths and included additional higher-grade subintervals: Bo_19/26 returned 7.9 metres at 0.45% WO₃ within its broader interval, while Bo_18/26 included 7.9 metres at 0.38% WO₃.
2
The two additional holes not highlighted in the summary also produced mineralization: Bo_16/26 returned 22.1 metres at 0.10% WO₃, including 1.8 metres at 0.61%, and Bo_14/26 returned 7.9 metres at 0.22%, including 2.0 metres at 0.72%.
3
The results add to a previously reported Santa Helena intercept from Bo_13/26 of 81.5 metres at 0.22% WO₃, including 23.8 metres at 0.68% and 4.0 metres at 2.96%.
4
Two holes, Bo_15/26 and Bo_17/26, were drilled primarily for geotechnical and mine-planning purposes, while Bo_23/26 and Bo_26/26 had been completed but were still awaiting assays.
5
At the Venise Breccia, the initial discovery hole Bo_BV_01b returned 13 metres at 1.00% WO₃, including 3 metres at 4.15% WO₃; assays from Bo_BV_02b and Bo_BV_04a were pending, with drilling continuing in Bo_BV_05a and Bo_BV_06b.
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