Latest Mineral Resource Estimation News

Australian Gold and Copper has reported outstanding new drill results at its Achilles deposit, revealing multiple broad, high-grade silver and gold intervals that extend mineralisation beyond the initial resource estimate. The company aims to more than double its South Cobar Project resource by year-end with ongoing drilling.

Patagonia Lithium has advanced drilling at its Formentera project in Argentina, reaching 131 metres with promising brine test results indicating strong lithium potential. Early packer tests reveal increasing dissolved solids and excellent flow rates, supporting the company’s resource growth ambitions.

Power Minerals Limited reports robust near-surface niobium and rare earth element assay results from its Santa Anna Project in Brazil, underpinning plans for a major 10,000m drilling campaign to define a Mineral Resource Estimate.

Delta Lithium has updated its Mt Ida Mineral Resource Estimate, revealing one of the world’s highest-grade rubidium oxide resources alongside lithium and tantalum, while advancing drilling and processing studies.

Sky Metals has reported exceptional early drill results at its Tallebung Tin Project, revealing high-grade tin and silver intercepts that promise significant resource growth and project upside.

29Metals Limited reports promising high-grade copper and zinc intercepts from its 2025 drilling program at Golden Grove, signalling potential mine life extensions and enhanced operational flexibility.

Solstice Minerals has ramped up its drilling program at the Nanadie Copper-Gold Project, aiming to significantly grow its existing resource, while advancing gold exploration at Yarri with strong assay anticipation.

Magnetic Resources NL has updated its Mineral Resource Estimate for the Lady Julie Gold Project, now exceeding 2.24 million ounces of gold with a strong majority classified as Indicated. The LJN4 deposit alone tops 2 million ounces, positioning the project for imminent development.

Sun Silver Limited has dramatically expanded its Maverick Springs Silver-Gold Project in Nevada by staking 427 new claims, more than doubling its landholding and enhancing prospects for future discoveries and development.

WA1 Resources has revealed a substantial indicated mineral resource at its Luni Niobium Project, supported by successful metallurgical testwork and a robust financial position. The project’s strategic importance in the critical minerals sector is underscored by ongoing development and community engagement.

Northern Minerals reports encouraging preliminary metallurgical results from blending the Dazzler deposit with Wolverine ore, potentially expanding feed supply and optimising the Browns Range Heavy Rare Earths Project.

Austral Resources Australia Ltd has agreed to acquire the Lady Loretta mine from Glencore for A$45.5 million, consolidating its copper assets near the Lady Annie Copper Mine and boosting its processing feedstock. This strategic move strengthens Austral’s balance sheet and advances its vision to become a mid-tier copper producer in Queensland.