Latest Mineral Resources And Ore Reserves News

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.

29Metals has delivered strong final drill results from its 2025 program at Golden Grove, revealing high-grade copper and zinc intercepts that promise to boost mineral resources and mine flexibility. The company plans a significant exploration budget increase for 2026 to capitalize on this momentum.

Hillgrove Resources (ASX:HGO) marked its first full year of underground copper production at Kanmantoo with 11,315 tonnes produced, returning to profitability and significantly boosting its Mineral Resources and Ore Reserves. The company is advancing growth projects and sustainability initiatives to underpin a production ramp-up in 2026.

Regis Resources sustained strong gold output in Q3 2026 with 90.6koz produced at an AISC of $2,807/oz, while raising growth capital guidance amid rising diesel costs and advancing underground projects. The company declared a 15cps interim dividend, supported by a robust $1.13 billion cash and bullion position.

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.

Ora Banda Mining’s latest drilling at Golden Pole within the Waihi Project has delivered multiple thick, high-grade gold intersections, validating the lode’s underground mining prospects and setting the stage for its debut in the upcoming June resource and reserve estimates.

AIC Mines reported a strong March quarter with Eloise copper production exceeding guidance at lower costs amid steady progress on its processing plant expansion and Jericho underground development.

Ausgold Limited's latest drilling at the Katanning Gold Project reveals exceptional high-grade gold intercepts, supporting resource growth and mine life extension prospects in Western Australia.

Magnum Mining and Exploration has verified exceptionally high-grade gold assays up to 178 g/t Au at its Red Breccia target within the Parker Project, Arizona, reinforcing it as a priority drill target alongside Eagle Nest and NSW Detachment. The company is progressing drill permitting with first-pass drilling planned upon approval.

GreenTech Metals has uncovered material upside potential at its Munni Munni PGE-Cu-Ni project through a detailed review of historical drilling data, with maiden drilling assay results expected in mid-April 2026.

G50 Corp Limited reports encouraging metallurgical test results from its Golconda Project in Arizona, demonstrating the ability to concentrate gallium using established, cost-effective processing techniques. The findings support the potential for a strategic domestic gallium supply integrated with precious metals production.

Wildcat Resources Limited (ASX: WC8) has announced a 300m northerly extension of spodumene mineralisation at its Bolt Cutter Central lithium discovery in Western Australia, expanding the known footprint to over 2.3km northwest and up to 800m northeast. Metallurgical drilling has intercepted spodumene in all holes, with further drilling and metallurgical testing planned.