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Youanmi’s High-Grade Gold Continuity Raises Stakes Ahead of Resource Update

Mining By Maxwell Dee 3 min read

Rox Resources has completed a 35,000m drilling campaign at its Youanmi Gold Project, delivering multiple high-grade gold intercepts that confirm mineralisation continuity and underpin an upcoming resource upgrade.

  • Completion of 35,000m Step-up diamond drilling program
  • Multiple high-grade gold assay results across Youanmi Main, Prospect, Interceptor, and United North
  • Continuity of mineralisation confirmed at depth and along strike
  • Mineral Resource Estimate update scheduled for July 2025
  • Preparations for Definitive Feasibility Study and production advancement underway
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Drilling Success at Youanmi

Rox Resources Limited (ASX: RXL) has announced the completion of a significant 35,000-metre diamond drilling program at its Youanmi Gold Project in Western Australia. The campaign, the largest surface drilling effort at Youanmi in recent years, has yielded a series of impressive high-grade gold assay results that reinforce the project's potential as a high-quality gold system.

Key intercepts include 11.90 metres at 4.37 grams per tonne (g/t) gold from 451 metres depth at Youanmi Main, and standout hits such as 1.96 metres at 17.13 g/t from 471.9 metres. Other deposits within the project, including Prospect, Interceptor, and United North, also returned encouraging grades, confirming mineralisation continuity both at depth and along strike.

Implications for Resource and Development

The drilling results are timely as Rox prepares for a Mineral Resource Estimate (MRE) update scheduled for July 2025. The new data is expected to convert inferred resources into indicated categories, providing a stronger foundation for the upcoming Definitive Feasibility Study (DFS). Rox’s Managing Director and CEO, Phill Wilding, highlighted the program's success in expanding geological understanding and reaffirming the high-grade nature of the Youanmi ore system.

Beyond exploration, Rox is advancing development activities. Dewatering infrastructure installation is underway, with pumping operations set to begin shortly. This is a critical step towards accessing underground declines and ultimately resuming mining operations. The company is also progressing with tenders for major DFS workstreams, including process plant design and tailings dam engineering.

Strategic Pathway to Production

The Youanmi Gold Project, historically a high-grade mine producing approximately 667,000 ounces of gold before its 1997 closure, now boasts a total mineral resource of 2.3 million ounces. Rox’s current strategy focuses on expanding this resource base and optimizing the mine plan to increase ore throughput and annual gold production, aiming to shorten the capital payback period.

With drilling confirming extensions of high-grade shoots and ongoing metallurgical test work advancing the Albion Process, Rox is positioning itself for a robust transition from exploration to production. Environmental approvals and project financing discussions are also progressing, reflecting a comprehensive approach to project delivery.

Looking Ahead

As Rox Resources moves towards its MRE update and DFS completion, the market will be watching closely for how these developments translate into production timelines and financial outcomes. The company’s ability to convert exploration success into operational reality will be critical in unlocking value for shareholders and stakeholders alike.

Bottom Line?

Rox Resources’ drilling success at Youanmi sets the stage for a pivotal resource upgrade and a clearer path to gold production.

Questions in the middle?

  • How will the upcoming Mineral Resource Estimate impact the classification of Youanmi’s gold resources?
  • What are the key risks and timelines associated with the Definitive Feasibility Study and project financing?
  • To what extent can Rox accelerate mine development given current dewatering and infrastructure progress?