Power Minerals is advancing its Morro do Ferro Rare Earth Project in Brazil with a mineralogical program focused on high-value magnet rare earth elements, aiming to improve project economics and streamline development.
- Mineralogy program targets Nd, Pr, Dy, Tb enrichment
- Exceptional grades of magnet rare earth oxides reported
- Potential to reduce low-value cerium and radioactive minerals
- Ongoing diamond drilling to support resource and metallurgical studies
- Project benefits from unique Manifesto de Mina mining licence
Mineralogy Program Highlights Premium Rare Earth Potential
Power Minerals Limited (ASX:PNN) is pushing forward with a mineralogical characterisation program at its Morro do Ferro Rare Earth Project in Brazil, aiming to unlock a premium magnet rare-earth product. The focus is on selectively targeting neodymium (Nd), praseodymium (Pr), dysprosium (Dy), and terbium (Tb); the critical rare earth elements driving the permanent magnet market; while reducing lower-value cerium and radioactive minerals.
Initial studies reveal that bastnäsite-rich mineralisation hosts the bulk of these high-value elements, comprising around 40% of the non-cerium rare earth inventory. The project’s mineralogy suggests a unique opportunity to develop a concentrate enriched in Nd, Pr, Dy, and Tb, which could simplify processing and enhance economic returns.
Exceptional Grades Reinforce Strategic Importance
Drill data above a 0.5% total rare earth oxides (TREO) cutoff show outstanding grades, with combined Nd2O3 and Pr6O11 averaging 4,521 ppm, and notable terbium and dysprosium oxide levels at 31 ppm and 141 ppm respectively. Peak assays hit over 3% NdPr oxides, 250 ppm Tb4O7, and 1,024 ppm Dy2O3, underscoring the deposit’s strategic value in rare earth supply chains.
The highest combined NdPr assay recorded is 3.38% of whole rock, within intervals grading up to 14.38% TREO. These elements are essential for electric vehicles, wind turbines, robotics, and defence technologies, positioning Morro do Ferro as a potentially critical supplier for the energy transition and advanced manufacturing sectors.
Selective Reduction of Cerium Could Boost Project Economics
The mineralogy program aims to identify pathways to selectively remove low-value cerium, which is largely hosted in cerianite, a cerium-enriched secondary mineral separate from bastnäsite. By excluding cerium-rich zones during mining or beneficiation, Power Minerals hopes to produce a higher-value magnet rare-earth concentrate and reduce processing complexity.
This selective targeting could also reduce reagent consumption, lower capital intensity, and simplify downstream processing circuits. The company highlights that focusing on magnet rare-earth oxide grades rather than total TREO will better reflect the project’s economic potential.
Diamond Drilling Program Expands Geological Understanding
Power Minerals is actively drilling at Morro do Ferro with a maiden diamond core program designed to expand geological and mineralogical knowledge. The drilling will enhance data density for future resource estimation and provide samples to refine metallurgical and beneficiation studies.
These efforts are expected to improve confidence in resource modelling, mine planning, and process development, supporting a streamlined path to commercialisation. The drilling program follows a recent A$1.7 million strategic investment aimed at accelerating exploration and metallurgy work.
Environmental and Permitting Advantages Underway
Alongside technical work, the mineralogical program supports environmental and radiation management studies critical for regulatory approvals. The project’s unique Manifesto de Mina mining licence grants direct land ownership, facilitating faster permitting and exploration activities.
Environmental studies are progressing, with the project area currently covered by a eucalyptus plantation scheduled for harvest, and no natural vegetation impacting site disturbance plans.
Morro do Ferro Positioned as a Differentiated Rare Earth Project
Power Minerals executives emphasise the project’s potential to stand out globally due to its mineralogical characteristics. Managing Director Mena Habib highlighted the focus on extracting the most valuable rare earth elements essential for permanent magnets, aiming to enhance economic viability and reduce development complexity.
CEO Alistair Stephens, with extensive rare earth development experience, noted that the emerging mineralogy could differentiate Morro do Ferro from many conventional projects, strengthening its role in future rare earth supply chains.
Bottom Line?
Power Minerals’ focus on premium magnet rare earths and selective cerium reduction could materially improve Morro do Ferro’s economics and position it as a standout project in the rare earths sector.
Questions in the middle?
- Will ongoing drilling confirm the continuity of high-value magnet rare earth zones?
- How effectively can beneficiation reduce cerium and radioactive minerals in processing?
- What timeline can investors expect for resource updates and metallurgical results?