Latest Mineral Resource Estimate News

GoldArc Resources has secured full ownership of Mt Stirling and launched partner-funded drilling campaigns across its Leonora North and South projects, delivering multiple high-grade gold results and locking in a binding development deal with Mineral Mining Services.

Dart Mining NL reported standout high-grade gold, silver, and antimony results from its Queensland projects, alongside key acquisitions and asset sales, as it advances towards a maiden resource estimate at Coonambula.

Horseshoe Metals has unveiled a new copper Exploration Target of up to 3.6 million tonnes at its Motters Zone, while advancing Direct Shipping Ore operations supported by strong copper prices and precious metals credits.

Cobre Limited has secured majority control of the Sierra Atacama Copper Project in Chile through a $60 million capital raise, marking its transition from explorer to producer. The company plans extensive drilling and operational upgrades to boost production and resource confidence.

Astron Limited has updated its Donald Rare Earth and Mineral Sands Project with a refreshed Bankable Feasibility Study showing a pre-tax NPV8 of AUD 759 million, strengthened Indigenous agreements, and a targeted Final Investment Decision in Q2 2026.

Breakthrough Minerals has completed its full acquisition of the North Queensland Copper-Gold Project, securing a substantial resource base and initiating a drilling campaign at Barbara, signalling a new phase of exploration and development.

Terrain Minerals has completed major drilling campaigns across its flagship Lightning gold project and critical metals targets, setting the stage for a maiden resource estimate and advancing metallurgical studies on gallium and rare earth elements.

Strata Minerals delivered strong maiden drilling results at its Zelica Gold Project, confirming consistent shallow high-grade gold mineralisation over a 1km strike. The company consolidated its landholding with the acquisition of Zelica South, extending the gold corridor to 10km and commencing follow-up exploration.

Marquee Resources has significantly increased its Mt Clement inferred antimony resource and is advancing drilling and strategic partnerships to develop its flagship project.

Future Metals has trimmed pre-production capital for its Panton PGM Project by approximately A$74 million through an independent engineering assessment of the Savannah processing facility. Further savings are possible by shifting crushing and ore sorting to Panton, while rising platinum group metal prices bolster project economics.

Encounter Resources (ASX:ENR) has reported a major 83% increase in the Green deposit’s inferred niobium resource at its Aileron project, lifting the combined inferred mineral resource by 54%. Meanwhile, copper-gold drilling advances in the Paterson Province as the company targets Havieron-style systems.

Adavale Resources reports strong assays from initial drillholes at London-Victoria, revealing high-grade northern lodes and broad southern mineralisation that underpin resource growth potential.