Latest Ore Reserve Estimates News

Saturn Metals has reported robust drilling results at its Apollo Hill Gold Project, reinforcing a near-term upgrade to its 2.24 million ounce Mineral Resource. The new data will underpin the upcoming Definitive Feasibility Study and updated Ore Reserve.

Geopacific Resources' updated 2026 DFS for the Woodlark Gold Project reveals a 19% rise in Mineral Resources to 1.98 million ounces and a new Ore Reserve of 1.2 million ounces, underpinning robust economics and a rapid 18-month payback.

Viridis Mining has delivered strong infill drilling results at its Colossus Rare Earth Project, boosting resource confidence and underpinning an imminent resource and reserve upgrade ahead of a Final Investment Decision in Q3 2026.

Dateline Resources has delivered a comprehensive Bankable Feasibility Study for its Colosseum Gold Project in California, outlining a technically straightforward restart with strong financial metrics and a 10.4-year mine life producing 573,000 ounces of gold.

Energy Transition Minerals has released a JORC-compliant Mineral Resource Estimate for its Penouta tin-tantalum-niobium mine in Spain, reinforcing its strategic role in Europe's critical minerals supply chain and setting the stage for a project restart.

Cavalier Resources has boosted the net present value of its Stage 1 Crawford Gold Project by 50% to A$77.2 million in an updated Pre-Feasibility Study, despite rising costs. The company secured a US$18.7 million gold sale agreement and raised $4 million to fund pre-production activities.

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.

Maronan Metals secured Mineral Development Licence 2028, unlocking underground exploration, while metallurgical tests showed gold recoveries up to 88% and copper recoveries exceeding 96%. The company expanded its drilling program and bolstered leadership amid steady progress toward mine development.

Geopacific Resources has advanced its Woodlark Gold Project with the Definitive Feasibility Study close to finalisation, underpinned by a $40 million equity raise and promising exploration drilling results. The company is positioning for a development decision in 2026 amid key permit approvals and strategic partnerships.

Cavalier Resources has secured a $4 million placement at an 11.95% discount to the 15-day VWAP, funding critical pre-production activities at its Crawford Gold Project. This capital injection complements ongoing negotiations for a US$13 million gold prepayment and a A$5 million loan, advancing the project toward production.

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.

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.