Latest Heap Leach Processing News

Helix Resources has formalised a joint venture to earn up to 40% of the Gold Basin oxide gold project in Arizona, marking a significant expansion into a prolific US gold district. The agreement sets clear milestones for exploration and resource updates over the next two years.

Saturn Metals has reported compelling high-grade gold assay results from its Titan Zone at Apollo Hill, reinforcing the potential of the Iris Footwall structure. These results pave the way for a resource update and feasibility study progress.

Alliance Nickel is advancing its NiWest project by exploring vat leaching to reduce capital costs and has completed initial gold drilling at Wanbanna, while continuing offtake talks with Stellantis and considering a NASDAQ listing via de-SPAC.

OzAurum Resources has secured environmental approval for Stage 1 of its Mulgabbie North Gold Project, clearing a major regulatory hurdle and accelerating its path to near-term production.

Sun Silver Limited reports exceptional metallurgical test results from its Maverick Springs project in Nevada, highlighting strong silver and gold recoveries that support a low-cost heap leach development pathway.

AusQuest Limited reports strong assay results from its Cangallo project in Peru, revealing a large, continuous copper-gold mineralised system with promising high-grade intervals and plans for extensive follow-up drilling.

PolarX Limited reports impressive high-grade gold assay results from its inaugural drilling at the Ridgeline prospect within Nevada’s Humboldt Range, revealing wide mineralised zones and plans for extensive follow-up drilling.

Anax Metals has released an updated Definitive Feasibility Study for its Whim Creek Copper Project, confirming robust economics with a pre-tax NPV of A$501 million and an IRR of 98%, underpinned by a 10-year mine life and rapid payback.

OzAurum Resources has kicked off a diamond drilling program at its Mulgabbie North Gold Project to advance heap leach feasibility and open pit design, supported by recent capital raising and ongoing plant refurbishment.

Norwest Minerals has reported robust gold assay results from its Phase 2 drilling at the Bulgera Gold Project, confirming mineralisation continuity at depth and setting the stage for a resource upgrade.

Australian Rare Earths Limited (ASX, AR3) reports breakthrough metallurgical testwork at its Koppamurra project, doubling heap leach irrigation rates and achieving around 70% recovery of key magnet rare earth elements. These advances promise faster production timelines and lower costs ahead of the Pre-Feasibility Study.

Flagship Minerals’ ASTER remote sensing survey at the Pantanillo Gold Project reveals extensive alteration zones indicative of large-scale epithermal-porphyry gold systems, setting the stage for a significant resource upgrade.