Latest Resource Expansion News

Sunstone Metals continues to deliver promising gold-copper intersections at its Bramaderos project in Ecuador, with recent Porotillo drilling reinforcing potential to expand the current 3.6Moz resource ahead of a resource update later this year.

Patagonia Lithium’s latest packer tests at Formentera Well Seven reveal promising lithium brine quality and flow, suggesting potential expansion of its mineral resource.

Orion Minerals has delivered a standout high-grade copper intercept at its Flat Mine East prospect, reinforcing the Okiep Copper Project's substantial growth prospects and ongoing resource optimisation plans.

Strata Minerals’ Phase 2 drilling at Zelica confirms consistent shallow high-grade gold over a 1km strike, revealing new plunging shoots and a hanging-wall lode that could expand the system across a 9.5km corridor.

Redcastle Resources has secured A$2 million through a discounted share placement aimed at accelerating exploration and advancing its development projects across its Eastern Goldfields portfolio.

Maronan Metals has landed a $22 million strategic investment from Kinterra Capital, boosting its cash reserves to $36.6 million and fully funding an expanded 2026 drilling campaign and Preliminary Feasibility Study for its Maronan Project.

Barton Gold’s recent drilling at the Challenger Gold Project confirms new open-pittable mineralisation at Challenger South-Southwest and Challenger 3, underpinning potential resource upgrades and a low-risk mill restart.

Aguia Resources has implemented optimized narrow vein mining at its Santa Barbara Gold Project in Colombia, pushing head grades to 12 g/t Au and improving recoveries, signaling a step-up in production quality.

Prospect Resources has updated its Mumbezhi Copper Project Mineral Resource Estimate, boosting tonnage by 20% to 208.1 million tonnes and doubling gold resources to 262,100 ounces. The project now boasts tier-1 copper grades comparable to Zambia’s top mines, with Phase 3 drilling underway to expand resources further.

Broken Hill Mines (ASX: BHM) has resumed mining at its Pinnacles Silver-Lead-Zinc Mine, marking its first operations since 2021 and aiming to ramp up production through multiple ore feeds to the Rasp processing plant.

Mount Ridley Mines has launched its first major metallurgical testwork program at the Grass Patch Heavy Rare Earth Element Project, targeting processing pathways for its regolith-hosted rare earth, scandium, and gallium mineralisation.

Marimaca Copper’s 2026 drilling campaign at Pampa Medina reveals multiple stacked high-grade copper mantos, reinforcing the deposit’s scale and continuity across oxide and sulphide zones.