Mon Ami Aircore Drilling Yields 2m at 2.56 g/t and 2m at 1.86 g/t Gold Intercepts

Exploration Update at Mon Ami

Great Southern Mining Limited (ASX – GSN) has announced the completion and interpretation of a 2,146-metre aircore drilling program at its 100% owned Mon Ami Gold Project in Western Australia. The program targeted zones north and northwest of the existing JORC 2012 Mineral Resource estimate, which currently stands at 1.56 million tonnes at 1.11 grams per tonne gold, containing approximately 55,500 ounces of gold.

The drilling results have delivered encouraging gold intercepts, including a standout 2 metres at 2.56 grams per tonne gold from 62 metres depth, and another 2 metres at 1.86 grams per tonne gold from 20 metres. These intercepts suggest the presence of new mineralised zones, potentially representing parallel lodes to the north of the existing resource.

Geological Significance and Resource Potential

The Mon Ami deposit is situated along the Barnicoat Shear Zone, a significant structural feature known to host gold mineralisation. The recent drilling has highlighted the potential for multiple high-grade splays within this shear zone, with mineralisation remaining open in several directions including north, northwest, and at depth. Notably, one of the deepest holes drilled to date intercepted 10 metres at 2.7 grams per tonne gold from 241 metres, including a high-grade 5 metres at 5.2 grams per tonne.

These findings reinforce the prospect of expanding the current resource base through further drilling, particularly targeting shallow extensions and deeper zones that remain underexplored. The company is actively planning follow-up drilling programs aimed at extending the Mineral Resource estimate and better defining the mineralised system.

Strategic Advantages and Development Outlook

Mon Ami benefits from its location on a granted mining licence, with many of the necessary permits for mining operations already secured. This advanced permitting status, combined with its proximity to existing and planned gold processing facilities in the Laverton region, positions the project as an attractive near-term development opportunity.

Great Southern Mining’s Managing Director, Matthew Keane, emphasised the significance of the recent results, noting the potential for new gold lodes and the company’s growing understanding of the mineralised system. He highlighted that the project’s location and permitting status could facilitate a smoother transition towards development, especially given the current robust gold price environment.

Looking Ahead

With assay results now fully received and interpreted, Great Southern Mining is poised to advance its exploration strategy at Mon Ami. The company’s focus will be on delineating further shallow mineralisation and unlocking the promising down-dip potential indicated by historic deep intercepts. As the gold price remains strong, the economics of developing Mon Ami appear increasingly favourable.