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Highlights
- RareX secures additional tenements, strengthening its Mt Mansbridge project.
- Project shares geological similarities with Northern Minerals' Browns Range.
- Exploration activities set to advance with heritage clearances and new tenements.
RareX (ASX:REE) has reinforced its commitment to the Mt Mansbridge heavy rare earths project by securing additional exploration ground in Western Australia. The company recently received approval for two new tenements, E80/5942 and E80/5973, from the WA Department of Energy, Mines, Industry Regulation and Safety.
This expansion enhances the company’s presence in a region known for its high-grade xenotime mineralisation. Xenotime, a rare-earth phosphate mineral, is a valuable source of yttrium, a key element in advanced technologies such as wind turbines, hybrid vehicles, and electronic components.
Geological Parallels with Browns Range
The decision to extend the project area follows an evaluation that revealed similarities between Mt Mansbridge and Browns Range, a major heavy rare earths project owned by Northern Minerals (ASX:NTU). Located just 40 kilometers apart, both projects share geological features that indicate strong exploration potential.
Browns Range is widely recognized as one of the world’s most significant heavy rare earth deposits, boasting seven xenotime-rich zones with an estimated 11.7 million tonnes at 0.77% total rare earth oxide. Notably, both projects exhibit the same unconformity contact—an important geological marker associated with high-grade deposits.
Expanding Exploration Potential
Historical pit samples from Mt Mansbridge have already confirmed outcropping xenotime mineralisation. Additionally, RareX has identified a 2-kilometer-long, untested heavy rare earth soil anomaly, indicating substantial exploration upside.
The company is now preparing for heritage clearances to facilitate exploration in high-priority zones. Further solidifying its foothold, RareX has also staked a fourth, 40-block tenement (E80/6118), anticipated to receive approval later this year.
Positioned for Strategic Growth
With the latest expansion, Mt Mansbridge now encompasses a substantial land package, providing a robust foundation for future exploration. RareX’s CEO, James Durrant, emphasized the significance of the project, highlighting its alignment with the company’s broader focus on rare earths and niobium.
"We are confident in the potential of Mt Mansbridge, given the presence of xenotime mineralisation and the strategic importance of heavy rare earths to Australia," Durrant stated. "This project plays a key role in supporting the global electrification megatrend, and we are eager to advance exploration efforts."
With an expanded exploration area and promising geological indicators, RareX is well-positioned to unlock the full potential of Mt Mansbridge in the growing rare earths sector.
