Latest Heap Leach News

Challenger Gold has raised A$85 million and revamped its leadership to accelerate development of the Hualilán Gold Project, shifting from toll treatment to an integrated mining and processing operation backed by a new 35,000-metre drilling campaign.

Australian Rare Earths (ASX: AR3) has successfully commissioned and begun pilot-scale processing of 30 tonnes of ore at ANSTO’s Sydney facility, producing high-purity rare earth oxide samples to support commercialisation and a bankable feasibility study.

Sentinel Metals’ first diamond drill hole at Montana’s Columbia Project reveals a robust 46.8m intercept averaging 5.5 g/t gold, including a standout 13.5m at 16.6 g/t, confirming mineralisation extends into fresh rock below historical drilling depths.

West Cobar Metals is fast-tracking its scandium exploration at the Salazar Project in Western Australia, targeting higher-grade zones with aircore drilling planned for late 2026 alongside advancing metallurgical testwork.

Challenger Gold has completed an A$85 million equity raise backed by key insiders and appointed a new leadership team to drive its transition from exploration to development at Hualilan and El Guayabo.

Norwest Minerals has completed a partly underwritten entitlement offer, securing $1.89 million to fund exploration and development at its Bulgera Gold Project.

Black Bear Minerals’ re-analysis of historic drill core at Texas’s Shafter Silver Project reveals up to 147% higher silver grades and confirms polymetallic potential, prompting an expanded resource review and plans for a JORC upgrade.

True North Copper has enhanced its Cloncurry Copper Project resource base by adding a 1.0 Mt gold-copper resource at Wynberg, featuring 61,000 ounces of gold and 3,000 tonnes of copper. The update supports near-term development prospects and broadens the project's metal exposure.

TG Metals has raised A$2.5 million through a placement backed by institutional investors and insiders to fund resource expansion, scoping studies, and direct shipping ore opportunities at its Western Australian gold and lithium assets.

Black Bear Minerals’ latest scoping study for its Independence Gold Project in Nevada outlines a low-capital open-pit heap-leach operation with a post-tax NPV of around A$511 million and a rapid 1.4-year payback, based on a portion of the near-surface epithermal resource.

Sun Silver Limited’s latest drilling at the Maverick Silver Project in Nevada confirms extensive high-grade silver, gold, and antimony mineralisation beyond its current resource estimate, validating its geological model and underpinning resource growth ambitions.

Australian Rare Earths (ASX: AR3) has delivered a standout Pre-Feasibility Study and maiden Ore Reserve for its Koppamurra project, underpinning a low-capital, high-return rare earths development. Meanwhile, pilot processing advances and a new niobium-REE discovery at Overland add momentum.