Latest Mineral Resource Estimation News

Delta Lithium’s March quarter report highlights robust high-grade lithium drilling at Mt Ida, successful production of battery-grade lithium and rubidium carbonates, and ongoing exploration progress at Yinnetharra, supported by a strong $52 million cash position.

Macro Mining Services has partnered with Austral Pacific to tap into gold tailings and stockpiles at the Paris Gold Mine, aiming to turn historical waste into revenue through a 50:50 profit share after expense recovery.

Prospect Resources has significantly boosted its Mumbezhi Copper Project resource base by 63%, lifted contained copper by 50%, and secured A$45 million in fresh capital to fund an aggressive drilling campaign starting May 2026.

Siren Gold continues its push to upgrade the Sams Creek gold resource with ongoing drilling and a mining permit application nearing decision. Meanwhile, exploration at Queen Charlotte reveals extensive high-grade gold and antimony mineralisation, underpinning the company’s strategic growth in New Zealand’s critical minerals sector.

Emerald Resources NL posted a record March quarter pre-tax operating cash flow of A$143 million from its Okvau Gold Mine, maintaining full-year gold production guidance while progressing development and exploration at its Dingo Range and Memot projects.

Lefroy Exploration (ASX: LEX) is launching a focused 4,000m drilling program at its Mt Martin Gold Project to expand its 439,000-ounce resource, alongside an imminent Mineral Resource Estimate update reflecting stronger gold prices and revised economics.

Elevra Lithium delivered a strong March 2026 quarter with record revenues, operational improvements at North American Lithium, and progress on multiple growth fronts, supported by a robust cash position.

LinQ Minerals has delivered robust drilling results at its Gilmore Gold-Copper Project, including standout intersections at Gidginbung and Mandamah, while securing $15.4 million to accelerate exploration efforts.

Chilwa Minerals has mobilised a second diamond drill rig at its Mpyupyu target in Malawi, accelerating exploration of niobium, rare earths, tantalum, and gallium within a newly identified alkaline syenite intrusion. With over 1,000 metres drilled and key assay results pending, the company is poised for a revised resource estimate in May 2026.

American Uranium Limited has kicked off a $2.59 million entitlement offer with free attaching options, aiming to accelerate drilling and studies at its flagship Lo Herma ISR Uranium Project. The updated timetable extends the offer period, while resource estimates remain stable.

Minrex Resources appoints Max Piirto as CEO to spearhead exploration and development across its newly acquired Serbian gold and copper assets following the Electrum merger.

Mount Ridley Mines has launched a large-scale re-assay of 3,300 historical drill samples aiming to expand and upgrade its mineral resource estimates for heavy rare earths, scandium, and gallium without new drilling.