Latest Heap Leach News

Marmota Limited has launched an extensive maiden drilling campaign targeting the southern Mainwood extension of its Greenewood gold discovery in South Australia’s Gawler Craton, aiming to expand the mineralised strike to 2km.

Far East Gold Limited reveals promising metallurgical test results from its Idenburg project, showing gold recoveries around 95% using conventional processing methods. These early findings suggest a straightforward processing route but remain preliminary pending further testing.

Tartana Minerals has finished stacking 50,000 tonnes of copper-rich pit fill and is finalising a key plant upgrade, setting the stage for copper sulphate production to resume within weeks.

Axel REE is accelerating its in situ recovery (ISR) mining trials at the Caladão Project in Brazil, targeting rare earth elements and gallium extraction through a low-cost, environmentally friendly method. The company is fully funded for pilot wellfield trials at the Woolrich deposit, with expansion potential at Paraíso and Tiger Creek.

TG Metals Limited has unveiled a major Mineral Resource Estimate upgrade for its Van Uden Gold Project, with Indicated gold ounces surging 120% to 152,600 oz and total pit constrained resources reaching 270,800 oz at 1.06 g/t Au. This marks a significant step in advancing the project towards near-term production.

Silver Mines has delivered promising exploration results from its Calico North and Kramer Hills projects in California, with standout silver and barite assays supporting imminent drilling campaigns.

Cavalier Resources’ 2026 Pre-Feasibility Study update boosts the Stage 1 NPV of its Crawford Gold Project to A$77.2 million at A$6,500/oz gold, reflecting resilience amid supply chain pressures. The project maintains its ore reserve and pit design, with financing negotiations advancing.

Sun Silver has engaged global engineering firm Ausenco to lead critical concept and scoping studies for its Maverick Silver Project in Nevada, aiming to underpin a maiden Scoping Study by late 2026. The move leverages Ausenco’s North American precious metals expertise and comes as silver prices hover near US$77 an ounce, bolstering project economics.

Critica Limited has achieved a significant breakthrough at its Jupiter Rare Earth Project, lifting magnet rare earth recovery to approximately 81% and total rare earth oxide recovery to around 71% through pilot plant optimisation. This advance strengthens the foundation for its ongoing scoping study and downstream processing plans.

49 Metals Limited has secured $10 million through its IPO to fund a detailed exploration campaign in Nevada’s Walker Lane Trend, including an 8,000-metre drilling program at the Gold Mountain project targeting high-grade gold zones.

Marmota Limited is set to embark on a substantial drilling campaign targeting the southern Mainwood extension of its Greenewood gold discovery in South Australia's Gawler Craton, aiming to expand the mineralised strike to 2km.

Legacy Iron Ore has boosted its Mt Celia gold resource by over half, now holding 390,150 ounces, underpinning its ongoing heap leach pre-feasibility study and signaling potential for further growth.