Dart Mining Advances Coonambula Project with Strategic Exploration Programme

Exceptional Antimony-Gold Grades Reveal Major Potential at Coonambula

Great Divide Mining's (ASX: GDM) joint venture partner Dart Mining has reported outstanding surface sampling results from the Coonambula Project in Central Queensland. Samples from the historic Banshee Mine area have returned exceptionally high grades, including antimony up to 65.3%, gold up to 17.0 g/t, and silver up to 97.9 g/t – the highest grades reported from the https://discoveryalert.com/tmg-trigg-minerals-acquires-high-grade-antimony-gold-projects/ project to date.

These record-breaking results provide compelling evidence of a high-value antimony-gold system and strongly support GDM's strategic acquisition of this asset. Furthermore, they validate the company's exploration strategy and enhance confidence in the project's scale and potential.

Record-Breaking Surface Results Validate Exploration Strategy

The latest sampling program across the Banshee Mine area has delivered exceptional results that significantly boost confidence in the project's economic viability. These grades confirm the potential for a substantial resource development opportunity within the tenement package.

"The Coonambula Project continues to demonstrate why GDM secured this position early. These grades confirm the potential for a high-value antimony-gold system and further strengthen the case for accelerated drilling across the Banshee trend," said GDM Managing Director Justin Haines.

The sampling program was conducted by Dart Mining, who has now commenced initial drilling using their in-house rig. This drilling is designed to infill existing high-grade intersections and advance toward establishing a JORC-compliant Antimony-Gold Resource.

Understanding Antimony: A Critical Metal with Strategic Importance

Antimony is classified as a critical mineral due to its importance in various industrial applications and limited global supply sources. While many investors may be familiar with gold, antimony represents a significant value component in the https://discoveryalert.com/tmg-trigg-minerals-acquires-high-grade-antimony-gold-projects/ that deserves attention:

• Industrial Applications: Antimony is essential in flame retardants, lead-acid batteries, ammunition, and semiconductor manufacturing.
• Supply Constraints: China dominates global production, creating supply vulnerability for Western nations.
• Strategic Value: The metal is included on critical minerals lists in the US, EU, and Australia due to its economic importance and supply risk.
• Price Performance: Antimony prices have shown significant volatility but strong upward trends in recent years due to supply constraints and growing demand.

For GDM investors, the antimony component at the Coonambula Project represents potential additional value beyond the gold content, particularly given the exceptional grades found in recent sampling.

Joint Venture Structure Accelerates Project Development

Under the Joint Venture Agreement with GDM, Dart Mining can earn up to a 51% interest in the Coonambula Project across its six tenements by completing defined drilling and reporting milestones over a two-year period. The JV structure allows for rapid advancement of the project:

• Dart Mining has acquired an initial 15% interest after paying $250,000 to GDM
• Dart must complete at least 4,000m of drilling and deliver two geological/resource reports to reach 51% ownership
• Dart has been appointed Manager of the JV during the earn-in period
• GDM retains the tenement ownership and a carried interest through the early exploration phases

This arrangement allows GDM to maintain significant exposure to project upside while benefiting from Dart's technical expertise and drilling capabilities during the critical early exploration stages.

What makes this partnership particularly effective?

The combination of GDM's strategic asset position and Dart Mining's operational capabilities creates a synergistic relationship that can accelerate development timelines. Dart brings practical drilling expertise and equipment, while GDM contributes the high-potential tenement package with demonstrated antimony-gold mineralisation.

Strategic Location in Established Mining District

The https://discoveryalert.com/tmg-trigg-minerals-acquires-high-grade-antimony-gold-projects/ enjoys a premier location within an established Queensland mining region:

• Located approximately 70km southeast of Evolution Mining's Cracow gold mine
• Situated 25km southwest of Eidsvold
• Encompasses six contiguous Queensland exploration permits across a significant land package
• Benefits from good access to infrastructure and services

This strategic positioning allows for potential operational synergies and development advantages as the project advances through exploration and toward potential development.

The Science Behind Antimony-Gold Mineralisation

Antimony-gold mineralisation typically occurs in hydrothermal vein systems where mineral-rich fluids have moved through rock fractures and deposited minerals during cooling. Antimony most commonly occurs as stibnite (antimony sulfide), which often forms distinctive grey metallic crystals in quartz veins.

The association between antimony and gold is well-documented in many mining districts globally. The presence of high-grade antimony can be an important indicator of potential gold mineralisation, as both elements can be transported and deposited by similar geological processes.

At the Coonambula Project, the exceptionally high antimony grades suggest a well-developed mineral system with potential for significant gold values. This is supported by the gold assays of up to 17.0 g/t from the same sampling program.

Investment Thesis: Why GDM Deserves Investor Attention

Great Divide Mining presents a compelling investment case based on several key factors:

1. High-Grade, Dual-Commodity Exposure: The exceptional grades of both antimony and gold provide investors with exposure to both precious and critical minerals.

2. Strategic Asset Advancement: The joint venture structure with Dart Mining allows for rapid project development while GDM maintains significant ownership and upside exposure.

3. Resource Potential: The current drilling program aims to establish a JORC-compliant resource, which would represent a significant value catalyst.

4. Critical Minerals Focus: Antimony's status as a critical mineral adds strategic importance to the https://discoveryalert.com/tmg-trigg-minerals-acquires-high-grade-antimony-gold-projects/ beyond its gold content.

5. Experienced Management: The company is led by a team with significant mining and exploration expertise, as evidenced by their early recognition of the Coonambula opportunity.

Why Investors Should Follow GDM's Progress

Great Divide Mining offers investors a rare opportunity to gain exposure to both gold and antimony in a single investment. The company has positioned itself strategically within the critical minerals space while maintaining precious metals exposure through its Coonambula Project.

With Dart Mining actively drilling the property and working toward a JORC-compliant resource, GDM shareholders stand to benefit from near-term news flow and potential value catalysts. The exceptional grades reported in recent sampling validate the company's exploration model and suggest significant potential for resource definition.

As global focus intensifies on securing supply chains for critical minerals like antimony, GDM's strategic position could attract increased attention from investors and potential partners. The combination of precious metals and critical minerals provides a unique value proposition in the current market environment.

The Coonambula Project represents an important opportunity for investors seeking exposure to both traditional precious metals and emerging critical minerals markets, with ongoing exploration potentially delivering significant news flow and value creation in the near to medium term.

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