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Eclipse Metals (ASX: EPM) has obtained promising initial results from phase 1 metallurgical testing of material form the Grønnedal rare earth element (REE) project in southwest Greenland.
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Initial WHIMS sighter tests indicate that REE mineralisation largely reports to combined ferro-magnetic fractions, demonstrating strong magnetic amenability under staged separation conditions.
Executive chairman, Carl Popal, said the results provide a clear technical basis for further optimisation, with representative quarter-core testing and detailed product assay validation currently underway.
The Phase 1 test work program was designed to help confirm head-grade tenor across composite samples and assess magnetic amenability using staged wet high-intensity magnetic separation (WHIMS).
It also aimed to define optimisation parameters for representative testing on the 2025 diamond drill quarter-core currently under laboratory assessment in Perth.
Head assay results across the composite suite confirm consistent REE tenor, including neodymium (Nd) ranging from 533 to 1,828 parts per million (ppm,) with meaningful praseodymium (Pr) support.
Eclipse noted that product fraction assays, mineralogical characterisation and representative feed testing are now required to confirm REE deportment, grade-mass relationships and scale-up parameters.
That work is now progressing in Perth using 2025 drill quarter-core.
Mr Popal said the WHIMS response profile indicates that a significant proportion of material can be partitioned under controlled magnetic conditions.
“This is important because staged magnetic separation can potentially reduce downstream processing mass prior to hydrometallurgical treatment, subject to confirmation through fraction assays and representative testing.”
Greenland has been the topic of significant international attention recently with US president Donald Trump suggesting he would like to grab the nation’s critical minerals and rare earths riches.
EPM is down 8.70% to 2.1¢. Mkt cap $75.71M.
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