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Forrestania Resources Limited (ASX:FRS) has announced the completion of its British Hill drilling program, revealing multiple high-grade gold intercepts that confirm mineralisation extends both at depth and up-dip across the deposit. The program included eight reverse circulation holes totaling 1,858 metres, targeting the British Hill Project situated 75 kilometres south-southeast of Southern Cross in Western Australia's Yilgarn Mineral Field. These drilling results enhance geological understanding of the deposit and support the company's plan to expand the British Hill Mineral Resource Estimate in the coming weeks.
Key Highlights
- Forrestania Resources Limited (ASX:FRS) is an Australian gold exploration and development company focused on building a significant gold business in Western Australia, with assets across Southern Cross, Eastern Goldfields, and Forrestania regions.
- The company completed a drilling campaign at British Hill consisting of eight reverse circulation holes totaling 1,858 metres, with assay results confirming mineralisation extends both up-dip and at depth.
- Notable high-grade gold intercepts include 4 metres at 7.46 g/t gold from 124 metres (including 1 metre at 22.76 g/t), 1 metre at 22.98 g/t gold from 141 metres, and 7 metres at 5.69 g/t gold from surface (including 1 metre at 17.89 g/t).
- The British Hill Project is located on granted Mining Lease M77/1256, with ore currently being transported to the company's Lake Johnston processing hub. A further Program of Work is pending approval to continue drilling.
- An expansion of the Mineral Resource Estimate is anticipated in the coming weeks as the company advances its strategy to develop complementary processing hubs at Edna May and Lake Johnston.
Drilling Confirms Deep Mineralisation Extensions at British Hill
Forrestania Resources has published assay results from its recently completed British Hill drilling program, aimed at expanding the existing gold deposit within Western Australia's Yilgarn Mineral Field. The eight reverse circulation holes, totaling 1,858 metres, successfully tested mineralisation at depth and along strike. The drilling was designed to improve geological knowledge of the deposit and explore ore extensions to support future resource and reserve growth.
The results show continuous gold mineralisation across multiple holes, with intersections consistently exceeding the 0.5 g/t gold cutoff and minimal internal dilution. Chairman David Geraghty stated that these results reinforce confidence in the British Hill deposit, with mineralisation extended both up-dip and at depth, highlighted by multiple high-grade gold intercepts. Reported intercept widths are down-hole measurements and may not represent true thicknesses of mineralised zones.
High-Grade Gold Intercepts Demonstrate Quality Mineralisation Across Several Holes
Forrestania Resources' drill results include several high-grade intercepts within the broader mineralisation profile. Hole 26BHRC0013 yielded 4 metres at 7.46 g/t gold from 124 metres, including 1 metre grading 22.76 g/t gold from 125 metres, and an additional 1 metre at 22.98 g/t gold from 141 metres. These represent some of the highest-grade intersections in the program, indicating discrete high-grade zones within the mineralised corridor.
Hole 26BHRC0015 delivered strong surface and deeper results, including 7 metres at 5.69 g/t gold from surface, with 1 metre at 17.89 g/t and 1 metre at 9.21 g/t gold from 2 metres. At depth, it returned 4 metres at 4.40 g/t gold from 277 metres, including 1 metre at 10.16 g/t gold. Hole 26BHRC0016 recorded 2 metres at 7.66 g/t gold from 274 metres, including 1 metre at 14.21 g/t gold. These results confirm high-grade gold mineralisation is distributed throughout the deposit rather than confined to a single zone.
British Hill Project Location and Geological Context in the Yilgarn Mineral Field
The British Hill Project is located on granted Mining Lease M77/1256, approximately 75 kilometres south-southeast of Southern Cross in Western Australia's Yilgarn Mineral Field. The tenement lies near the Parker Dome, centrally positioned within the Southern Cross-Forrestania Greenstone Belt, an Archaean greenstone rock package with metamorphic grades ranging from upper greenschist to amphibolite facies. This geological setting is typical of major gold deposits in the Yilgarn region.
Gold mineralisation at British Hill occurs within greenstone lithologies, featuring high-grade quartz veins formed during syn-mineralisation strain events. The lode is characterized by quartz stock-working corridors, often core-lined by laminated quartz veins. The southern deposit area is deeply weathered with potential supergene mineralisation, while northern areas exhibit less weathering. This geological variability influences mineralisation styles and may impact future mining and processing approaches.
Existing Mining Lease and Processing Infrastructure Enable Accelerated Development
A key advantage for British Hill is its location on a granted Mining Lease (M77/1256), reducing permitting risks compared to exploration tenements. Ore is currently being trucked from British Hill to Forrestania's Lake Johnston processing hub, indicating active mining and processing operations. This operational status places British Hill at an advanced development stage relative to typical exploration projects, enabling near-term ore supply to the regional processing strategy.
Forrestania's strategy focuses on developing complementary processing hubs at Edna May and Lake Johnston to establish a scalable production platform. British Hill's proximity to Lake Johnston and its mining lease status make it a valuable ore source within this regional plan. The company has a further Program of Work awaiting approval to commence additional drilling immediately upon grant, reflecting progress through regulatory processes for resource expansion.
Mineral Resource Estimate Expansion Anticipated in Coming Weeks
Forrestania Resources has indicated an updated Mineral Resource Estimate (MRE) for British Hill is expected soon. The recent drilling targeted expansion of the MRE by testing extensions at depth and along strike from the current resource. Incorporating assay results from the eight holes into resource modeling will define the scale and geometry of the mineralised body. Updated estimates typically include measured, indicated, and inferred categories, enhancing confidence for mine planning and reserve calculations.
Chairman David Geraghty emphasized that expanding the Mineral Resource Estimate increases British Hill's potential as a valuable ore source within the regional development strategy. The released results provide geological support for this outlook, with deep, high-grade intersections confirming significant depth extensions capable of supporting a larger resource.
Continuous Mineralisation Profile Supports Exploration and Development Potential
Beyond highlighted high-grade intercepts, the drilling program shows continuous mineralisation with numerous moderate-grade zones. For example, hole 26BHRC0015 included 10 metres at 1.72 g/t gold from 33 metres and 9 metres at 2.57 g/t gold from 66 metres. Hole 26BHRC0016 returned 11 metres at 1.35 g/t gold from 36 metres and 10 metres at 2.16 g/t gold from 230 metres. These broader moderate-grade zones complement the high-grade intervals, forming a mineralisation profile typical of economic gold deposits suitable for open-pit or underground mining.
The continuous mineralisation enables mining scenarios extracting the broader ore envelope rather than only high-grade zones, which is important for mine planning and cut-off grade determination critical to project economics. Drilling tested mineralisation over a wide vertical range, from surface to depths exceeding 300 metres, indicating extensions below weathered zones into fresh rock. This vertical extent suggests potential for both open-pit and underground mining depending on future economic and geological assessments.
Experienced Leadership and Regional Consolidation Strategy Underpin British Hill Development
Forrestania Resources is led by an experienced Board and management team with proven expertise in discovery, project development, and mining operations. The company is dedicated to creating long-term shareholder value through technical excellence, disciplined capital management, and responsible resource development. British Hill is being developed within a broader portfolio context, not as an isolated project, with a substantial gold asset base across Western Australia's premier mineral provinces including Southern Cross, Eastern Goldfields, and Forrestania regions, providing strategic flexibility.
The development of processing hubs at Edna May and Lake Johnston is central to Forrestania's consolidation strategy. British Hill serves as a regional ore source for the Lake Johnston hub. By sourcing ore from multiple deposits feeding shared processing infrastructure, the company aims to achieve operational scale and cost efficiencies. The strategy also includes value-accretive acquisitions alongside organic growth, reflecting management's commitment to building the resource base. This context positions British Hill as a key component of the company’s broader growth and value creation plan.
Pending Program of Work Approval to Enable Further Drilling
The company update notes a further Program of Work (POW) is pending approval, with plans to begin additional drilling immediately once granted. POW approvals are required in Western Australia for mining and exploration activities on granted tenements and involve regulatory review and stakeholder consultation. Forrestania's readiness to commence drilling upon approval demonstrates confidence in British Hill’s prospectivity and a robust pipeline of drill targets.
Investors should be aware that POW approval timing may affect future drilling schedules and results releases. However, the granted Mining Lease M77/1256 indicates a well-established regulatory framework. The company’s focus on securing POW approval and expanding drilling highlights ongoing exploration upside at British Hill beyond the current program. Continued drilling results and the forthcoming updated Mineral Resource Estimate will be key milestones in advancing the project towards mine development and ore supply to the Lake Johnston hub.
Forrestania’s Comprehensive Western Australian Gold Portfolio and Hub Strategy
British Hill is part of Forrestania Resources' wider strategy to build a significant Western Australian gold business through a diversified portfolio. The company holds gold assets across three premier mineral regions: Southern Cross (including British Hill), Eastern Goldfields, and Forrestania. This geographic diversification provides multiple discovery and development opportunities while mitigating geological and commodity risks. The strategy focuses on disciplined exploration, value-accretive acquisitions, and advancing high-quality development projects to support long-term production.
Developing two processing hubs—Edna May and Lake Johnston—is designed to create a scalable production platform fed by multiple ore sources across the regional portfolio. This hub-and-spoke model allows Forrestania to spread fixed processing costs and enhance operational resilience. British Hill’s contribution to the Lake Johnston hub, combined with other regional deposits, will influence the sustainability and scale of processing operations. As Forrestania expands British Hill’s resource and develops its broader portfolio, investors should monitor how each asset supports the company’s overall production profile and capital efficiency within the two-hub strategy.
