Latest Rio Tinto 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.

Infinity Metals has secured a two-year exclusive option to acquire 100% of the high-grade Swansea copper mine in Arizona and raised A$2.25 million via a discounted placement to fund exploration and acquisition costs.

Avira Resources has completed 1,308 metres of reverse circulation drilling across the Maori Queen and Plantagenet prospects at Mt Cattlin, submitting initial samples for assay as it targets a maiden resource estimate by year-end.

Taruga Minerals has pinpointed seven high priority exploration targets at its Kol Mountain Project in Papua New Guinea, launching its first active field program focused on a large undrilled copper-gold porphyry anomaly and high-grade gold shear zone.

Iron Bear Resources (ASX:IBR) has detailed progress on its Canadian Iron Bear Project, highlighting a robust scoping study, a major joint venture with Vale, and strategic advantages in a growing direct reduction pellet market.

Barramundi Limited’s May update reveals a 2.3% adjusted NAV decline, weighed down by CSL’s earnings downgrade and Brambles’ operational setbacks, despite positive contributions from Xero and Credit Corp.

Tiger Gold has finalised its option to acquire LCL Resources’ Colombian gold assets with a $4.5 million payment, bringing total cash consideration to $7.5 million and strengthening LCL’s balance sheet ahead of a formal transfer on 11 June 2026.

Rimfire Pacific Mining will increase its interest in the Avondale Project to 60% after Golden Plains Resources vested its 40% stake. The project holds significant scandium deposits in NSW's Fifield District, with Rimfire set to manage the joint venture and fund future exploration alongside its partner.

Legacy Minerals has kicked off an 885m drilling campaign at McMahons Reef within its Harden Gold Project, funded by Hill Tops Gold under a joint venture. Meanwhile, Rio Tinto Exploration has withdrawn from the Thomson Project, returning 100% ownership to Legacy Minerals.

AuKing Mining expands its footprint at the Tundulu Rare Earths Project in Malawi through a structured earn-in agreement and a fresh airborne survey revealing a larger carbonatite system with multiple new drill targets.

Middle Island Resources has significantly extended the mineralised footprint at its Bobija project in Serbia, revealing broad, near-surface gold, silver, and base metal mineralisation across a 300m by 300m area. Assay results from nine Phase 2 drill holes confirm a large, continuous polymetallic system with further assays pending.

Avira Resources has kicked off a 4,500-metre reverse circulation drilling program at its Mt Cattlin Gold Project in Western Australia, aiming to expand known high-grade zones and test new prospects ahead of a maiden resource estimate.