Kristie Batten: Heavy Rare Earths Aiming to Unlock SA’s Critical Minerals Potential

Why It Matters

Tin prices near record levels and growing demand for critical minerals make HRE’s projects strategically valuable for Australia’s supply‑chain diversification and could trigger a re‑rating of the micro‑cap stock.

Key Takeaways

• Prospect Hill aims for 0.5‑1 Mt tin resource
• Tin grades exceed 4% in historic drill holes
• Radium Hill targets scandium, yttrium, vanadium, uranium
• 2,500 m drilling program starts Q2 2026
• Market cap ~US$5 M, cash ~US$0.9 M

Pulse Analysis

Australia’s critical‑minerals agenda has accelerated as governments seek to reduce reliance on imported rare earths and strategic metals. Heavy Rare Earths, a Melbourne‑based explorer, has positioned itself at the centre of this push by consolidating assets in South Australia’s Curnamona Province. The company’s recent board refresh, featuring seasoned financiers and former Warriedar directors, signals a shift from acquisition to value‑creation through focused exploration, aligning with national policy incentives for domestic supply chains.

At the heart of HRE’s portfolio is the Prospect Hill tin project, the state’s largest known tin deposit. Historical drilling returned impressive assays—up to 4.85% tin over three metres—yet the work only penetrated 80‑90 metres deep. The upcoming 2,500‑metre program aims to test deeper extensions and lateral continuity, targeting a maiden resource of 500,000 to 1 million tonnes at 1‑2% tin. Success could position HRE as a low‑cost tin supplier just as global markets brace for supply constraints, with tin trading above US$46,000 per tonne.

Complementing the tin focus, the Radium Hill corridor offers a diversified suite of critical minerals. Rock chip samples have shown up to 959 ppm scandium oxide, 2,236 ppm yttrium oxide and notable uranium concentrations, presenting a rare opportunity to develop a multi‑metal hub. HRE’s intent to drill the Railway prospect in Q2, coupled with a prospective partnership with Boss Energy on the adjacent Lake Namba uranium project, could unlock additional revenue streams. With a modest enterprise value of roughly US$5 million and cash reserves near US$0.9 million, the company is well‑placed for a market re‑rating if its drilling delivers the anticipated resource upgrades.