Red Mountain Mining Targets Rich Antimony-Gold Zones at Armidale

Red Mountain Mining has pinpointed multiple promising antimony and gold targets at its Armidale project in NSW, launching a detailed sampling campaign to unlock the area's largely untapped potential.

  • Identification of multiple historic antimony and gold occurrences at Armidale
  • Planned collection of over 1,300 rock chip and soil samples across three key sites
  • Exploration Licence EL9732 covers 391 km² in Australia’s premier antimony province
  • Historical shallow mining and limited modern exploration suggest strong residual potential
  • Sampling program targets Oaky Creek, East Hills, and Horsley Station prospects
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A New Chapter for Armidale’s Mineral Potential

Red Mountain Mining Limited (ASX: RMX) has announced a significant step forward in its exploration efforts with the identification of highly prospective antimony and gold targets at the Armidale Antimony-Gold Project in New South Wales. The company’s recent analysis has revealed a series of mineralised zones, many associated with historic shallow shafts and open pits, that have seen limited modern exploration despite their promising geology.

The Armidale project, secured under Exploration Licence EL9732, spans an expansive 391 square kilometres within the Southern New England Orogen, a region recognised as Australia’s premier antimony province. This licence, granted for six years, offers Red Mountain a substantial landholding over terrain with a rich history of small-scale antimony and gold mining, setting the stage for renewed exploration activity.

Strategic Sampling Across Three Key Prospects

The company plans an extensive sampling program targeting three main areas: Oaky Creek, East Hills, and Horsley Station. At Oaky Creek, two historic stibnite (antimony sulfide) workings dating back over a century lie along the Namoi Fault. Here, Red Mountain intends to collect 1,025 soil samples over a 4 by 1.2 kilometre area, aiming to delineate mineralisation trends associated with carbonate breccia and altered sandstone formations.

East Hills hosts a historical antimony shaft with a stibnite-bearing reef aligned parallel to major regional faults. Red Mountain will undertake 88 soil samples over a 500 by 600 metre grid to better understand this mineralised structure. Meanwhile, Horsley Station, known for its gold workings, features a narrow reef historically mined for gold and associated antimony. The company plans 233 soil samples here to explore the potential for both metals along the Peel Fault system, which is linked to prolific goldfields nearby.

Unlocking Underexplored Territory

Despite the historical mining activity, the Armidale project area has seen minimal modern exploration, particularly for antimony. Red Mountain’s initiative marks the first comprehensive soil and rock chip sampling program targeting these elements, with over 1,300 samples planned. The company’s geologists highlight the structural controls and mineralisation styles as analogous to the nearby Hillgrove Gold-Antimony Mine, suggesting significant upside potential.

The Peel Fault system, which transects the tenement, is known for hosting over 400 mineral occurrences but remains underexplored with fewer than 200 shallow drill holes historically recorded. Red Mountain’s focus on this underexplored corridor could reveal new deposits of antimony, gold, and potentially tungsten, all critical minerals for emerging technologies and industrial applications.

Next Steps and Market Implications

Red Mountain has commenced land access negotiations and expects to begin the sampling program early in 2025. The results of this campaign will be pivotal in guiding further exploration and potential resource definition. Given the strategic importance of antimony in battery technologies and gold’s enduring value, the Armidale project could become a key asset in Red Mountain’s portfolio, which spans critical minerals across Australia, Canada, and the USA.

Investors will be watching closely as the sampling results emerge, potentially reshaping the company’s valuation and positioning in the critical minerals sector.

Bottom Line?

Red Mountain’s Armidale exploration could unlock a new antimony-gold frontier in NSW, with early sampling results set to define the next phase.

Questions in the middle?

  • What initial assay results will reveal about the grade and extent of antimony and gold mineralisation?
  • How will Red Mountain prioritise follow-up drilling based on the sampling program outcomes?
  • Could the Armidale project attract strategic partnerships given the growing demand for critical minerals?