Having recently upgraded the mineral resource estimate for its Grønnedal project, in Greenland, ASX-listed Eclipse Metals is now focused on converting that scale into a technically credible development pathway through further drilling, metallurgical studies and engagement with potential downstream and strategic partners.

The expanded resource of 208-million tonnes grading 0.72% total rare earth oxides, or TREO (indicated and inferred) gives the company a much stronger geological platform to advance the project through the next stages of technical, metallurgical and development assessment, says chairperson Carl Popal.

The project contains about 1.5-million tonnes of TREO, including 456 000 t of neodymium and praseodymium oxides, which are key inputs for permanent magnets used in electric vehicles, wind turbines and advanced defence technologies.

He affirms that thorough flowsheet development and environmental and social baseline work will ensure that a scoping-level study or preliminary economic assessment on the project will be properly detailed and sequenced.

Given the significant neodymium and praseodymium potential at Grønnedal and Eclipse’s other project Ivigtût, Popal sees these projects as part of a broader critical minerals district with relevance to Europe, North America and allied supply-chain resilience.

The rare earths market globally is increasingly shaped by demand growth and supply chain concentration. Popal elaborates the issue is also about whether there are secure, reliable and scalable supply chains for these magnet metals outside of China.

Popal tells Mining Weekly that the combination of scale, jurisdiction, strategic location and district potential is what differentiates Eclipse as a prominent future rare earths supplier.

With Greenland being strategically positioned between North America and Europe, and it being a favourable mining jurisdiction, the country offers great potential to become part of a future non-China rare earths supply chain.

Notably, Popal explains, Grønnedal sits within the broader Ivigtût project area, which has a unique mining history. Ivigtût was historically known for cryolite, a mineral that played a critical role in aluminium production and allied supply chains during the Second World War.

Today, Eclipse sees the broader Ivigtût–Grønnedal district as a modern critical minerals opportunity that is highly relevant to Europe, North America and allied industrial resilience.

The company continues to undertake downstream engagement to understand how Grønnedal’s material can be upgraded and tailored to the market.

For Popal the most important priority at the moment is derisking the project through disciplined assessment of geology, resource confidence, metallurgy, infrastructure, environment and social approvals, community engagement, capital intensity, operating costs, logistics, product marketability and funding.

“Eclipse will work carefully and respectfully with local communities, regulators and stakeholders. Ivigtût and Grønnedal are not remote conceptual targets without history. The district has prior mining history, existing regional knowledge and strategic relevance. Development must be technically sound, environmentally responsible and socially durable,” Popal points out.