Latest Mineral Resource Estimates News

Rimfire Pacific Mining’s initial metallurgical tests at the Murga Scandium Deposit reveal promising scandium recoveries using atmospheric leaching, a less complex method than industry norms. The company has launched longer-term tests to validate these findings, potentially reshaping the economics of its Fifield scandium resources.

PTR Minerals has unveiled a substantial maiden Mineral Resource Estimate at its Rosewood Titanium Project, boasting 463 million tonnes at 8.8% heavy minerals, positioning it among the world’s top heavy mineral sand deposits.

Orpheus Uranium (ASX: ORP) is set to kick off its inaugural drilling program at the Erudina Uranium Prospect within the Frome Project, targeting a 10 km-long palaeochannel system with the aim of refining geological models and advancing towards a potential mineral resource.

Charger Metals has expanded its Medcalf Lithium Inferred Mineral Resource Estimate by 34% to 10.6 million tonnes at 1.0% Li2O, with tantalum grades also impressively high. The adjacent Medcalf West target adds further upside as Charger refocuses on advancing Lake Johnston.

Larvotto Resources has unveiled a substantial initial Exploration Target for the Midas Lode at its Hillgrove project, outlining a preferred 3.95 million tonnes at 5.16 g/t gold equivalent, accessible from surface and underground for near-term development.

Gorilla Gold Mines continues to expand its North Kalgoorlie Hub resource with standout high-grade intercepts at Sovereign and a promising shallow gold find at Lady Margaret, signalling robust exploration momentum.

Sky Metals has reported new shallow, wide, high-grade tin-tungsten-silver drill intercepts at its Tallebung Project, expanding the deposit ahead of an imminent Mineral Resource Estimate and Pre-Feasibility Study.

Turaco Gold has exercised an option to acquire 100% of a new exploration permit adjacent to its Afema Project in Côte d’Ivoire, increasing its landholding by 30% and setting the stage for fresh exploration activities.

Killi Resources has received regulatory approval to launch a major drilling campaign at its newly acquired Lodestone iron ore project, aiming to expand and upgrade a 110Mt inferred resource with a high-purity magnetite concentrate.

Diatreme Resources has unveiled a maiden Mineral Resource Estimate of 102.7 million tonnes of high-purity silica sand at its Casuarina deposit, lifting its total global resource base to 632.8 million tonnes. The deposit's proximity to existing infrastructure and high silica content underpin its development potential.

Catalyst Metals has nearly doubled the Trident underground gold resource to 1.1 million ounces at a robust 5.4g/t grade, underpinning a 10-year mine plan targeting 60,000 ounces annually from 2027.

Encounter Resources has kicked off a 3,500-metre dual drilling campaign at its Yeneena Copper Project, aiming to extend known high-grade copper mineralisation along the Parbo system and complete a diamond hole at Haddon. Results are due in August 2026.