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Aureka Advances Gold and Silver Targets with High-Grade Intercepts and Tenure Renewal

Mining By Maxwell Dee 5 min read

Aureka Limited extends its Victorian gold resource ambitions with strong drilling results at Irvine and Comstock, backed by fresh geophysical data and secured tenure.

  • High-grade gold intercepts at Irvine reinforce resource growth potential
  • Record silver grades discovered at Comstock alongside gold
  • High-resolution drone magnetics survey completed at Irvine
  • Comstock exploration licence renewed for five years
  • Cash position steady at $3.7 million with ongoing drilling

Gold and Silver Intercepts Signal Resource Expansion

Aureka Limited (ASX:AKA) has reported a continuation of its strong exploration momentum in Victoria’s prolific goldfields, delivering further high-grade gold intercepts at its flagship Irvine Project and unveiling a new high-grade silver component at the Comstock Project near St Arnaud. The standout drill hole RD049 at Irvine returned a broad 18.4 metres at 1.54 grams per tonne (g/t) gold from 425.8m, including high-grade intervals of 0.75m at 10.2g/t and 1.15m at 9.73g/t gold, reinforcing the potential for expanding the existing 304,000-ounce inferred JORC resource. These results support the view that the Tenacity Hanging Wall Fault is a fertile structure with significant mineralisation continuity, which could underpin a step change in resource scale. This drilling success builds on earlier high-grade intercepts reported in 2025 and aligns with the company’s strategy to grow towards a 1 million ounce target at Irvine. The ongoing diamond drilling program is also targeting the 2-kilometre gap between the Resolution and Adventure lodes, aiming to extend the mineral system beyond known resources. The company’s approach to integrating new geophysical data is expected to sharpen targeting precision for future discovery holes.

Meanwhile, at the Comstock Project, assays from 2025 drilling have identified the highest silver grade recorded to date on the project: 0.3m at 650g/t silver with 1.91g/t gold from 192m depth. This high-grade silver intercept, coupled with visible gold intersections near surface, highlights new mineralised structures proximal to the existing pit that were previously untested. These findings suggest Comstock holds potential not only for resource growth but also for near-term small-scale production, supported by ongoing scoping studies and a partnership with local operators Core Prospecting. The renewal of exploration licence EL006819 for five years secures tenure stability for Comstock through to 2030, providing a solid foundation for advancing operational planning and regulatory work.

Geophysical Enhancements to Targeting at Irvine

Aureka completed a high-resolution drone magnetic survey over the Irvine Project during the March quarter, flying at low altitude to capture detailed subsurface geological features. This new dataset significantly improves on historical regional heli-borne surveys from the late 1980s and early 1990s conducted by the Geological Survey of Victoria. The drone magnetics data is currently being processed and interpreted to better define structural architecture, especially around the Resolution and Adventure lodes. Management anticipates that this enhanced understanding will enable the identification of robust new drill targets and potentially unlock further discoveries within the extensive Irvine mineral system. This geophysical work complements the continuous drilling program and surface mapping efforts, underscoring a methodical approach to exploration.

Operational and Financial Position

Cash at the end of the quarter stood at $3.7 million, with exploration and evaluation expenditures of $661,000 and corporate costs of $569,000 during the period. Payments to related parties, including salaries and fees for non-executive directors and the managing director, totalled $148,000. The Managing Director, James Gurry, transitioned from a consultancy arrangement to an employment contract without changes to terms, reflecting continuity in leadership during this critical growth phase. The company’s financial runway extends to just under three quarters at current spending levels, highlighting the importance of upcoming drilling results and potential funding initiatives.

At Irvine, diamond drilling remains the core activity, with a focus on discovery-style holes beyond the current resource boundaries. At Comstock, preparatory work including high-accuracy LiDAR and photogrammetry has generated detailed terrain and structural models to support engineering design and operational planning for potential near-term production. Drilling at Comstock is expected to commence shortly to further delineate mineralisation and support metallurgical test work.

Strategic Positioning in Victoria’s Goldfields

Aureka’s exploration strategy leverages its portfolio of advanced-stage projects in Victoria’s gold-rich districts, close to established mines and infrastructure. The Irvine Project, located within the Stawell Corridor Gold Project, benefits from proximity to the operating Stawell Gold Mine and a rich exploration history. The company’s recent high-grade intercepts, including those reported in earlier drilling campaigns, have been pivotal in building confidence for resource expansion. These developments follow a series of capital raises and strategic partnerships that have bolstered Aureka’s exploration capacity and community engagement. At Comstock, the combination of tenure renewal, new geophysical datasets, and encouraging assay results positions the project for a potential transition from exploration to production.

These advances come amid a competitive landscape of Victorian gold explorers, where detailed structural understanding and targeted drilling are key to unlocking value. Aureka’s integration of drone magnetics and LiDAR technology with traditional drilling exemplifies a modern approach to mineral exploration. The company’s efforts to secure land access and engage with local operators further enhance its operational readiness.

Investors following Aureka’s progress will note the consistent delivery of high-grade results and the methodical expansion of resource footprints, particularly at Irvine. The company’s focus on both gold and silver mineralisation at Comstock introduces a diversified commodity exposure that could add value if near-term production is realised. The upcoming June quarter promises to be pivotal, with expectations for further assay results, interpretation of geophysical data, and advancement of scoping studies. How Aureka navigates funding needs and regulatory pathways will be crucial to sustaining this momentum.

These developments build on the company’s earlier breakthroughs that included high-grade gold intercepts and record silver grades that have captured market attention. The integration of these findings with new geophysical insights sets the stage for a potentially transformative phase in Aureka’s Victorian exploration story.

Bottom Line?

Aureka’s blend of high-grade intercepts and advanced geophysical targeting bolsters its resource growth ambitions, but sustaining momentum will hinge on upcoming drilling outcomes and funding clarity.

Questions in the middle?

  • Will the high-resolution drone magnetics survey lead to new discovery drill targets at Irvine?
  • Can Comstock’s high-grade silver and gold intercepts translate into viable near-term production?
  • How will Aureka manage funding and operational risks given its limited cash runway?