Brightstar Resources Returns 305m @ 2.66g/t Au from Deep Diamond Drilling at Two Mile Hill

Sonal Goyal

12 November 2026 10:15 AM AEDT

Brightstar Resources Returns 305m @ 2.66g/t Au from Deep Diamond Drilling at Two Mile Hill

Image Source: Krish Capital Pty Ltd

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Brightstar Resources (ASX:BTR) has reported assay results from two deep diamond drillholes at the Two Mile Hill-Shillington deposit within the Sandstone Gold Project, with drillhole TMHDD26005 returning a bulk intercept of 305m @ 2.66g/t Au from 503m depth, described by the company as its biggest-ever intercept at Sandstone on a gram-metre basis, totalling over 800 gram-metres.

Key Points

TMHDD26005 returned 305m @ 2.66g/t Au from 503m, including 4m @ 60.8g/t Au from 679.9m, within host tonalite at the Shirvington Zone
TMHDD26004 returned two bulk intercepts of 80m @ 2.64g/t Au from 499m and 240m @ 1.16g/t Au from 601m, including 1m @ 160g/t Au from 516m
The Two Mile Hill-Shillington deposit holds a current Mineral Resource Estimate of 24.6Mt @ 1.8g/t Au for 1.45Moz Au, within the broader 3.6Moz @ 1.4g/t Au Sandstone Gold Project
Assay results for the fourth and final hole, TMHDD26006, remain pending
A follow-up two-rig drilling program totalling approximately 6,500m commenced in October, targeting extensions to the Shirvington Zone along strike and at depth

Shirvington Zone Drilling Results at Two Mile Hill

The four-hole, approximately 3,800m deep diamond drilling program was designed to test the continuity of the Shirvington Zone at depth. TMHDD26005 was drilled 50m to the north of the centrally located TMHDD26004. Bulk intercepts from both holes extended materially below the current Mineral Resource Estimate into the tonalite at depth. Significant visible gold was identified across all four drillholes in the program, totalling 93 individual occurrences. Mineralisation within the host tonalite is present as northeast-dipping lodes, typically associated with quartz-sulphide veins, with coarse visible gold also identified within the matrix of the tonalite outside of veins.

High-Grade Zones Within Bulk Intercepts

Within the broad bulk intercept reported from TMHDD26005, significant high-grade zones included 4.1m @ 26.1g/t Au from 531.9m, 5.5m @ 25.2g/t Au from 617.6m, 21m @ 2.20g/t Au from 655m, and 4m @ 60.8g/t Au from 679.9m, which included 0.9m @ 241g/t Au from 682m. Within TMHDD26004, notable high-grade zones included 1m @ 160g/t Au from 516m, 9m @ 3.58g/t Au from 542m, and 43m @ 3.49g/t Au from 608m, which included 0.5m @ 119g/t Au from 626.8m. Additional intercepts of 2.2m @ 23.7g/t Au from 484.7m were also recorded outside the reported bulk intercepts within the tonalite.

Follow-Up Drilling Program Under Way

Assay results for TMHDD26003, the third hole in the program, were previously reported on 22 October 2026 and returned 305m @ 1.33g/t Au from 584m. Results for TMHDD26006, the final hole, are pending. A multi-rig follow-up drilling program totalling approximately 6,500m commenced in October, targeting extensions to the Shirvington Zone along strike and at depth and aiming to define the extent of the tonalite, including its western contact. The current drilling program extended the known width of the tonalite unit to more than 400m at depth.

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