Brightstar Resources Expands High-Grade Gold at Bull Oak and Havilah Deposits
Brightstar Resources Limited announced strong reverse circulation (RC) drilling results from its Bull Oak and Havilah deposits within the Sandstone Hub in Western Australia. These intercepts confirm extensions beyond the current Mineral Resource Estimate (MRE) of 2.4 million ounces at 1.5 g/t gold for the hub. Drilling targeted areas below existing resources to test for growth potential.
Key Intercepts for Brightstar Resources at Bull Oak
Bull Oak, with its existing MRE of 90koz at 1.1 g/t gold, showed broad zones of mineralization in granodiorite-hosted quartz veins and banded iron formations. Highlights include BORC25006 with 3m at 31.40 g/t Au from 130m (within 157m at 1.13 g/t Au from 18m), BORC25013 with 10m at 5.83 g/t Au from 11m (within 73m at 1.14 g/t Au), and BORC25010 with 9m at 4.44 g/t Au from 162m. These results suggest high-tonnage potential similar to nearby deposits like Two Mile Hill-Shillington (0.7Moz at 1.5 g/t Au).
Highlights at Havilah
At Havilah, historically producing 34koz at 22 g/t Au from quartz veins in dolerite and ultramafics, down-plunge extensions delivered HVRC25015 with 5m at 12.8 g/t Au from 142m (including 1m at 55.2 g/t Au). Other notable hits were 3m at 1.39 g/t Au from 172m in HVRC25028 and 1m at 3.47 g/t Au from 126m in HVRC25027. The program involved 17 RC holes for 3,200m plus diamond drilling for geotechnical data.
Ongoing Exploration and Outlook
Brightstar Resources’s Managing Director Alex Rovira noted the intercepts outside current resources highlight MRE growth opportunities at both sites. Six rigs are active across the portfolio, including four at Sandstone for resource expansion, infill, and Pre-Feasibility Study support targeting a 2026 PFS. The company aims for mid-tier production with 3.9Moz total group resources.
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