Latest Mineral Resource Estimate News

Patagonia Lithium has reported strong assay and porosity results from its Formentera project in Argentina, alongside a successful $2.79 million capital raise that lifts its cash position to $3.4 million. The company is advancing drilling, seismic surveys, and plans for a 1,000 tonne lithium carbonate demonstration plant.

Encounter Resources has boosted its Aileron project’s inferred niobium resource by 54%, lifting the total to 120 million tonnes at 0.77% Nb2O5. The 2025 drilling campaign notably grew the Green deposit’s contained niobium by 83%, underpinning plans for a potential long-life mining operation in Western Australia’s West Arunta region.

Kuniko Limited has delivered strong assay results from its maiden drilling at the Commonwealth Main Shaft in NSW, confirming high-grade gold, silver and base metals and extending mineralisation down-dip. These findings set the stage for a more ambitious Phase II drilling campaign.

Stellar Resources has lifted tin recovery rates at the Queen Hill deposit to over 70%, a near 10% improvement on earlier estimates, enhancing the economics of its Heemskirk Tin Project. The company is integrating these gains into its Prefeasibility Study and has started early offtake talks.

Ramelius Resources’ latest drilling at Dalgaranga confirms robust high-grade gold zones at Gilbey’s Underground, hinting at a new underground mine that could lift production beyond FY30 targets.

Regis Resources (ASX:RRL) has reported a sixth consecutive year of underground resource and reserve growth at its Duketon and Tropicana operations, highlighted by a 120% increase in Ore Reserves at Garden Well Underground. The update also introduces an initial resource for the Southern Star deposit, reinforcing the company’s long-term underground mining potential.

Tribune Resources completed 8,831 metres of diamond drilling in Q3 FY2026 at the East Kundana Joint Venture, reporting significant gold assay results from Golden Hind while awaiting Startrek results.

Rand Mining delivered its March 2026 quarter exploration update for the East Kundana Joint Venture, highlighting 8,831 metres of diamond drilling focused on the Golden Hind and Startrek deposits. While Golden Hind assay results confirmed ongoing mineralisation with no resource update, Startrek drilling progressed with assays awaited.

Sunstone Metals has delivered a robust Scoping Study for its Bramaderos Gold-Copper Project in Ecuador, outlining a 23-year mine life, strong production rates, and a post-tax NPV of US$0.9 billion at a conservative gold price. The study highlights low operating costs and substantial exploration upside, setting the stage for a pre-feasibility study and funding pursuits.

Star Minerals has delivered promising new assay results from extensional drilling at its Tumblegum South Gold Project, revealing shallow, high-grade gold mineralisation beyond the current pit design. The findings underpin plans to update the resource and mine plan, reinforcing the project’s robust economics amid strong gold prices.

Aldoro Resources has reported a 354.2-meter continuous intercept of rare earth elements and strontium at its Kameelburg project, confirming significant northwest extension of mineralisation and reinforcing the deposit's growing scale.

Aurum Resources has unveiled robust assay results from 40 diamond drill holes at the BDT2 deposit, confirming substantial gold mineralisation beyond current resource boundaries and underpinning its 4.2Moz group resource growth strategy in Côte d'Ivoire.