IMC Rare Earths Ltd Form 6-K — Sep 22, 2026
IMC Rare Earths reported lab testwork from the University of Brighton showing 73% in-situ recovery of total rare earths (excluding cerium) from its Itarantim Project in Brazil, including 71.4% of terbium and 70.5% of dysprosium using acidified magnesium sulphate. Downstream processing recovered up to 86.6% of rare earths from solution into a mixed rare earth carbonate, further refined to a mixed rare earth oxide grading approximately 41% total rare earths; uranium and thorium stayed below detection limits in leach solutions.
Key figures
- Terbium recovery pct
- 71.4
- Total ree recovery pct
- 73
- Dysprosium recovery pct
- 70.5
- Mixed reo grade pct tre
- 41
- Inferred resource tonnes
- ~1.1 billion tonnes
- Ammonium sulphate recovery pct
- 70
- Solution to carbonate recovery pct
- 86.6
- Leach solution ree concentration mg L
- 4,000-8,000
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