Greatland Resources shares up strongly after it expands Telfer gold resource by 150%

Shares in Greatland Resources Ltd (AIM:GGP, OTC:GRLGF, FRA:G8G, ASX:GGP) rose 7% to 545.45p after the AIM-listed gold and copper miner reported a 150% expansion in the mineral resource at its flagship Telfer operation in Western Australia, taking the total to 8 million ounces of gold. The updated December 2025 estimate adds 4.8 million ounces at a discovery cost of approximately $5 per ounce, with the higher-confidence measured and indicated category growing 163% to 3.8 million ounces, providing a stronger foundation for mine planning and conversion into mineable reserves.