Victory Metals finalises metallurgical testwork revealing major CAPEX and OPEX savings for its North Stanmore heavy rare earth project, with the PFS on track for Q2 2026.
- 50% reduction in flotation reagent costs
- Processing effective at ambient temperature
- Clay filtration enables dry stacking tailings
- 320.6 million tonnes Mineral Resource Estimate
- PFS scheduled for Q2 2026 delivery
Metallurgical Breakthrough Slashes Project Costs
Victory Metals Limited (ASX:VTM) has locked in key metallurgical inputs for its Pre-Feasibility Study (PFS) on the North Stanmore Heavy Rare Earth Project, delivering substantial cost savings that could reshape the project’s economics. The company announced a halving of flotation reagent costs thanks to a lower-priced, more effective chemical, alongside a process that now operates efficiently at ambient temperature; eliminating the need for energy-intensive heating systems.
Victory’s Chief Executive Brendan Clark highlighted that these advances simplify the process flowsheet and significantly reduce both capital expenditure (CAPEX) and operating expenditure (OPEX), keeping the PFS firmly on schedule for completion in Q2 2026.
Ambient Temperature Processing and Tailings Innovation
Initial flotation tests were performed at 50 degrees Celsius, but follow-up work confirmed that processing at ambient temperature yields equivalent metallurgical performance. This removes the complexity and cost of heating systems from plant design, reducing ongoing energy costs.
Clay handling; often a headache for regolith-hosted rare earth projects; has also been addressed. North Stanmore’s clay matrix exhibits excellent filtration and dry stacking properties, enabling a tailings management solution with lower CAPEX than traditional wet tailings storage. This innovation could mitigate a common environmental and cost challenge in clay projects.
Robust Resource Underpins Project Potential
North Stanmore boasts a robust Mineral Resource Estimate (MRE) of 320.6 million tonnes at a 330ppm total rare earth oxides plus scandium (TREO + Sc2O3) cut-off, with 55% classified as indicated resources. This positions it as Australia’s largest indicated clay heavy rare earth resource, a status reinforced by recent drilling and metallurgical advances.
The resource hosts a significant proportion of high-value heavy rare earth elements, scandium, hafnium, and gallium, elements critical for emerging technologies and strategic supply chains. The project’s scale and grade were detailed in a prior update, which reported record rare earth oxide grades and exceptional metallurgical recoveries, including a 48-fold upgrade in flotation concentrate grade and a heavy rare earth ratio exceeding 70% record rare earth oxide grade. These underpin the economic case for North Stanmore’s development.
Technical Rigor and Ongoing Studies
The metallurgical testwork was conducted on bulk composite samples, with assay and process validation overseen by Professor Ken Collerson, a recognized expert in rare earth geochemistry. The company has employed industry-standard assay methods and quality control protocols, ensuring confidence in the data underpinning the PFS.
Victory continues to refine its process flowsheet, integrating heavy liquid separation and flotation circuits optimized for North Stanmore’s unique mineralogy. Earlier metallurgical breakthroughs demonstrated over 70% extraction of critical heavy rare earths and the development of a zircon-hafnium concentrate as a secondary product stream, enhancing project value heavy rare earth extraction.
Environmental and Mining Assumptions
Environmental considerations remain in early stages, but the project benefits from location within a well-mined region with established protocols. Tailings management innovations and proximity to infrastructure support a lower environmental footprint and cost-effective mining approach, envisaged as open pit with free dig mining through shallow, unconsolidated overburden.
While the PFS will provide detailed economic modelling, these metallurgical and operational improvements are likely to enhance project viability and reduce technical risks.
Bottom Line?
Victory Metals’ metallurgical refinements sharply reduce costs, but the true economic impact will crystallise with the PFS release.
Questions in the middle?
- How will reagent supply and pricing evolve amid global chemical markets?
- What are the environmental trade-offs of dry stacked tailings versus traditional methods?
- How might energy cost assumptions affect ongoing OPEX in a volatile market?