Latest Metallurgical Testwork News

Challenger Gold Limited confirms steady progress on refurbishing the Casposo Toll Milling Plant in Argentina, with a second independent inspection validating the refurbishment is on track for commissioning in the second half of 2025.

QMines Limited reports a 42% increase in Indicated resources at Develin Creek following maiden drilling, completes a $4 million capital raise, and moves to acquire the Mount Mackenzie gold-silver project, signaling a strategic expansion in Queensland.

Odyssey Gold Limited has made significant strides in its Tuckanarra Gold Project during the March 2025 quarter, completing a regional airborne electromagnetic survey and signing a joint venture Memorandum of Understanding for ore processing. The company also initiated a technical study and appointed Matthew Syme as Executive Director.

MRG Metals Limited has achieved a significant milestone with the granting of the Corridor Central mining licence in Mozambique and is progressing exploration and joint venture development, while metallurgical testwork in Zimbabwe signals potential new opportunities.

Petratherm Limited has confirmed a significant titanium-rich heavy mineral sands discovery at its Muckanippie Project, with drilling extending mineralisation over 15 square kilometres and a recent $8.1 million placement to accelerate development.

Barton Gold Holdings reported a 120,000-ounce gold resource increase at Tunkillia and uncovered exceptional high-grade silver at Tarcoola’s Tolmer prospect, alongside a $3.1 million half-year profit and accelerated feasibility studies.

Australian Strategic Materials (ASM) has made significant strides in its mine to metals strategy during the March 2025 quarter, including plans for US expansion and progress at its Dubbo Project and Korean Metals Plant. The company is positioning itself as a key alternative supply chain amid escalating geopolitical tensions and export restrictions.

Marmota Limited reports a standout March quarter with a 73% uplift in gold grades at Aurora Tank, bonanza grades at Campfire Bore, and a new high-grade titanium sands discovery at Muckanippie, backed by a $5 million capital raise.

Rumble Resources advances its Western Queen Gold-Tungsten Project towards late 2025 production through a joint venture with Bain Global and MEGA Resources, while reporting significant high-grade gold and tungsten assay results. The company also expands its portfolio by acquiring 100% of the Thunderstorm Gold Project and initiates a scoping study on the Earaheedy Zinc-Lead-Silver Project.

Astral Resources has updated its Mandilla Gold Project resource to 1.43 million ounces and completed the acquisition of Maximus Resources, positioning itself for a major development milestone with a Pre-Feasibility Study due in June 2025.

James Bay Minerals reports a maiden JORC Mineral Resource Estimate of approximately 1.7 million ounces gold equivalent at its Independence Gold Project in Nevada, alongside the start of metallurgical testing and a new drilling campaign targeting resource growth.

Octava Minerals reports promising high-grade antimony intercepts at Yallalong and confirms extensive rare earth and lithium mineralisation at Byro, with metallurgical testwork now underway.