Great Southern Mining Initiates Extensive Drilling Campaign Targeting Major Gold Prospects in WA and Queensland

5 min read | July 08, 2026 12:35 AM AEST | By Anjali Anand

Great Southern Mining has launched an extensive drilling campaign across its gold assets in Western Australia and Queensland. This strategic move aims to expand the company’s resource base and uncover new gold deposits. Market participants will be closely monitoring the outcomes of this impactful exploration initiative.

Key Points

  • Great Southern Mining Limited (GSN)
  • Initiation of major drilling operations in Western Australia and Queensland
  • Focus on depth extension at Mon Ami Gold Project and new discoveries at Duketon
  • Investors advised to track drilling outcomes and resource updates

Focused Exploration in the Laverton District

Great Southern Mining has commenced a detailed drilling program within the Laverton District of Western Australia, an area renowned for its abundant gold deposits. The company controls a substantial 909 square kilometers of land strategically situated between prominent gold camps managed by Regis Resources and Genesis Mining. This advantageous location provides proximity to several gold processing plants, enhancing the commercial potential of any discoveries.

The Laverton District represents a central element of Great Southern Mining’s exploration strategy. Currently, a 20,000-meter drilling program is underway, targeting three priority sites. These include the Mon Ami Gold Project, where depth extensions to the existing JORC Mineral Resource are being tested, and the Duketon Gold Project, focusing on new discoveries such as Golden Boulder and Amy Clarke.

Mon Ami Gold Project: Investigating Depth Extensions

The Mon Ami Gold Project is a pivotal asset within Great Southern Mining’s portfolio. It holds a JORC Mineral Resource of 55,000 ounces of gold. The company is actively testing for depth extensions and repeated lodes, which could substantially increase the resource base. The project’s proximity to multiple operating gold processing facilities further underscores its strategic importance.

Investors are expected to monitor the Mon Ami drilling results closely. Positive findings could lead to an expanded resource estimate, boosting the project’s economic prospects. While specific projections on resource growth have not been disclosed, the ongoing drilling is a vital step toward unlocking the full value of the asset.

Duketon Gold Project: Advancing New Discoveries

The Duketon Gold Project remains another key focus for Great Southern Mining. This area encompasses the Golden Boulder and Amy Clarke discoveries, which are currently subject to infill and extension drilling. Notably, the Golden Boulder discovery has demonstrated promising gold mineralisation extending over a 3.5-kilometer strike length.

Drilling at Golden Boulder has yielded significant gold intercepts, including 5 meters at 14.6 grams per tonne from 41 meters depth, with a high-grade segment of 1 meter at 70.9 grams per tonne. These results highlight the potential for considerable gold resources at Duketon. Although the company has not specified the total expected resource size, ongoing exploration could result in a substantial resource upgrade.

Edinburgh Park Joint Venture: Diamond Drilling Set to Begin in Queensland

Beyond Western Australia, Great Southern Mining is advancing exploration in Queensland through the Edinburgh Park Joint Venture. Diamond drilling is scheduled to commence in July, with Gold Fields Ltd undertaking the drilling operations. This partnership aims to unlock the mineral potential of the Edinburgh Park region.

The Edinburgh Park project offers Great Southern Mining exposure to a distinct geological environment and the opportunity for new discoveries. While specific drilling targets and expected outcomes have not been disclosed, the start of diamond drilling marks a significant progression in the project’s development.

Strong Potential for Significant Gold Discoveries

Great Southern Mining’s assertive exploration approach is driven by the prospect of major gold discoveries across its portfolio. The extensive landholding in the Laverton District positions the company to leverage the region’s rich mineral resources. Current drilling programs are designed to evaluate both depth extensions of known deposits and new exploration targets.

The company remains optimistic about uncovering substantial gold resources, particularly at the Duketon Gold Project, where drilling below 100 meters has been limited. This underexplored potential could yield significant new resources, enhancing growth opportunities and shareholder value.

Investor Focus: Monitoring Drilling Outcomes and Resource Revisions

Investors will be paying close attention to the results from Great Southern Mining’s ongoing drilling campaigns. These outcomes could materially influence the company’s resource base and future development trajectory. Favorable drilling results may lead to resource upgrades, improving project economics and potentially driving share price gains.

While immediate share price effects remain unclear based on publicly available information, exploration success will be a critical factor in market performance. Stakeholders are advised to stay updated on drilling progress and any subsequent resource announcements.

Exploration Risks and Challenges

Despite promising prospects, mineral exploration carries inherent risks and challenges. The success of drilling programs depends on geological conditions, assay results, and gold market dynamics. Additionally, regulatory and environmental factors must be managed as projects advance.

Investors should consider these risks when assessing Great Southern Mining’s projects. Although specific risk mitigation measures were not detailed in the announcement, effective management of exploration risks will be essential to achieving the company’s objectives.

Outlook: Upcoming Milestones for Great Southern Mining

As exploration progresses, the next critical milestone for Great Southern Mining is the completion of current drilling campaigns followed by comprehensive analysis of results. The company aims to deliver positive findings that could lead to resource expansions and new discoveries.

Investors should monitor updates on drilling outcomes and any revisions to resource estimates. These developments will offer valuable insights into the potential of Great Southern Mining’s assets and their role in driving the company’s growth strategy.


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