Australian mining company Cannindah Resources Ltd (ASX:CAE) recently announced exploration results from the southern porphyry target area of its Mt Cannindah project in central Queensland. Analysis of the final assay results from the 2025 drilling program has confirmed the presence of extensive copper-gold mineralization in the area, further revealing the potential value of this porphyry system.
Exploration data indicates significant progress in the reverse circulation drilling program. Drill hole 25CRC015, starting at 112 meters depth, extended for 148 meters with a copper equivalent (CuEq) grade of 0.27%; while drill hole 25CRC020, starting at 118 meters, extended for 172 meters with a CuEq grade of 0.18%. These results support the presence of a porphyry center, manifested as deep-seated copper mineralization, such as chalcopyrite, in stockwork veins and intrusive dikes.
In drill hole 25CRC016, the company also identified high-grade mineralization, returning 28 meters from 298 meters to the end of the hole with a CuEq grade of 1.15%, which may indicate the upper halo of a high-grade "pencil porphyry" system. Combined with earlier drilling, these discoveries define a continuous mineralized zone with a 700-meter strike length, extending southward with a trend of increasing grade and thickness.
Key indicators of the porphyry model include: extensive mineralized intervals in multiple drill holes, increasing grades and metal vectors towards the southern target area, and intrusive dikes associated with high-grade zones. The shift in metal ratios from copper-dominant to gold-dominant towards the interpreted center further confirms the complexity of the porphyry system.
The surface extent of the southern porphyry system exceeds 2 kilometers by 800 meters and remains open to the south, east, and at depth, showing expansion potential. Cannindah Resources plans extensive diamond drilling to further test this system while continuing resource expansion work at the nearby Cannindah Breccia deposit. The company reported holding approximately AUD 17 million in cash to support ongoing exploration activities.
