Greatland Resources (ASX:GGP) announced a150% increase to its Telfer gold resource, which now stands at 8 million ounces following an intensive drilling campaign and a maiden high-grade find at West Dome Underground.
According to the company’s December 2025 group mineral resource statement, the critical "measured and indicated" category surged by 163% to 3.8 million ounces, providing the geological certainty required for an upcoming ore reserve estimate due in the June quarter.
The upgrade boosts the combined Telfer and Havieron portfolio to a formidable 14.9 million ounces of gold and 645,000 tonnes of copper.
Managing Director Shaun Day noted that the substantial organic growth, driven by increased investment in exploration, positions the region to become a "world-class mining hub" capable of sustaining production for several decades.
At the time of reporting, Greatland Resources' share price was $10.82.