Dart Mining (ASX:DTM) Hits High-Grade Antimony & Gold

4 min read | October 10, 2025 06:31 PM AEDT | By Sam

Highlights

  • Dart Mining confirms high-grade antimony-gold discovery.
  • Sampling results extend beyond historical workings.
  • Expanded exploration targets defined for drilling.

Dart Mining confirms exceptional antimony and gold grades at Coonambula, central Queensland, highlighting strong potential in ASX mining stocks and strategic metals.

Dart Mining (ASX:DTM) has revealed one of the most compelling antimony and gold discoveries in central Queensland, as its maiden sampling program at the Coonambula project delivers exceptional grades. The high-quality results signal strong near-surface potential, reinforcing the significance of strategic metals within the broader ASX mining stocks sector. Conducted under a farm-in joint venture with Great Divide Mining (ASX:GDM), the sampling campaign has generated surface results among the best recorded for antimony and gold in Australia, opening new avenues for regional resource development.

What Are the Latest Findings at Coonambula?

Field investigations at the historical Banshee workings focused on verifying the grade and continuity of stibnite-bearing quartz veins initially documented by Great Divide Mining (ASX:GDM). Detailed rock chip and in-situ sampling confirmed bonanza mineralisation, providing clear evidence of high-grade antimony and gold concentrations. The findings indicate that mineralisation extends beyond known historical workings and remains open along strike and down dip, highlighting significant growth potential.

Silver grades from these veins also add a valuable credit to the project, showcasing the multi-metal nature of the Coonambula system. The occurrence of multiple parallel veins suggests strong structural control, an important factor for defining future exploration targets and potential open-pit operations.

How Is Dart Mining Expanding Its Exploration Program?

Following the success of initial sampling, Dart Mining (ASX:DTM) has initiated a comprehensive exploration program. This includes detailed channel sampling and an induced polarisation survey across the broader Banshee–Lady Mary corridor. The survey aims to map chargeability anomalies associated with sulphide-bearing structures, providing valuable insights into prospective drill targets.

The company plans to commence reverse circulation drilling, targeting extensions of the main stibnite-quartz veins and testing beneath high-grade surface exposures. These efforts are designed to deliver an initial JORC-compliant resource once continuity, grade distribution, and metallurgical recovery characteristics are confirmed.

What Makes Coonambula Significant in the ASX Stock Market?

Coonambula stands out in the ASX stock market due to its combination of near-surface grades, structural potential, and strategic metal importance. Antimony is increasingly recognised as a critical metal for industrial applications, giving added commercial relevance to Dart Mining's discovery. The project’s scale potential and high-grade system make it a notable asset within the ASX300 landscape, attracting attention among mining-focused investors.

Which Companies Are Involved?

  • Dart Mining (ASX:DTM): An exploration company focusing on high-grade antimony and gold in Queensland, driving early-stage resource development at Coonambula.

  • Great Divide Mining (ASX:GDM): Partnering with Dart Mining under a farm-in agreement, providing historical data and regional expertise for the project.

Both companies are actively engaged in expanding the exploration footprint, employing advanced geophysical surveys and systematic drilling to confirm resource continuity.

What Are the Next Steps for Dart Mining?

The expanded exploration strategy aims to define the main mineralised corridors and prepare for drilling campaigns. Dart Mining (ASX:DTM) is also focused on evaluating metallurgical recovery processes to support future development plans. The project’s progression will contribute to the broader understanding of high-grade antimony-gold systems within Queensland, potentially impacting ASX100 and ASX dividend stocks portfolios through exposure to strategic metals.

Why Is Coonambula a Strategic Discovery?

Coonambula’s significance extends beyond grade, offering insights into regional structural geology and mineralisation patterns. The discovery provides a rare opportunity to advance early-stage resource definition in a historically productive area while contributing to the supply of antimony, a key industrial metal. This makes the project a focal point within the ASX mining stocks sector and an indicator of emerging exploration trends.

Dart Mining (ASX:DTM) has confirmed a high-grade antimony and gold system at Coonambula, demonstrating near-surface potential and significant regional upside. The combination of strategic metal importance, strong structural control, and expanded exploration efforts positions the project as a compelling development within Queensland’s mineral landscape. With continued sampling, geophysical surveys, and planned drilling, Dart Mining is advancing toward establishing a JORC-compliant resource while exploring broader regional potential.

Frequently Asked Questions

  • What makes the Coonambula project important in the ASX stock market?

    Coonambula features high-grade antimony and gold, strategic metal relevance, and near-surface potential, making it a notable development for mining-focused portfolios.

  • What exploration activities are Dart Mining conducting at Coonambula?

    Dart Mining is performing channel sampling, geophysical surveys, and planning reverse circulation drilling to map mineralised corridors and define JORC-compliant resources.

  • Which companies are collaborating on the Coonambula project?

    Dart Mining (ASX:DTM) leads exploration under a farm-in agreement with Great Divide Mining (ASX:GDM), leveraging historical data and regional expertise.


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