US GreenMet, Tanbreez Partner on Greenland Rare Earths

US GreenMet and Critical Metals partner to develop Tanbreez rare earths project in Greenland for defense and tech sectors.
US GreenMet, Tanbreez Partner on Greenland Rare Earths
Critical Metals Corp

Strategic Collaboration Targets Heavy Rare Earth Elements Supply

US GreenMet and Critical Metals Corp have formed a partnership to develop the Tanbreez Project in southern Greenland. This project aims to strengthen the US and allied nations' access to heavy rare earth elements (REEs) critical for defense and high-tech industries.

The Tanbreez Project holds nearly 45 million tonnes of indicated and inferred rare earth materials. This represents about 1% of the mineralized host rock, offering long-term development potential. The site features deep-water fjord access and existing infrastructure, with a mining license granted through 2050.

A Geopolitically Strategic Asset for US Supply Chains

Critical Metals Corp acquired Tanbreez Mining Greenland for $211 million in June, securing control amid concerns about Chinese investment. The deal ensures that this rare earth resource remains aligned with Western supply chain interests.

Once operational, the project will support the US defense sector and advanced technology manufacturing. This aligns with broader national efforts to reduce dependence on Chinese rare earth supplies. GreenMet’s involvement signals a coordinated US push to secure critical minerals from politically stable regions.

Expansion into Broader Critical Mineral Markets

Critical Metals is also progressing a lithium spodumene project in Austria, targeting the European battery industry. This dual focus reflects increasing demand for rare earths and lithium, as energy transition policies accelerate.

Meanwhile, Greenland’s regulatory environment and proximity to Europe and North America offer logistical advantages. The Tanbreez site’s location and scale position it as a cornerstone of Western rare earth strategies moving forward.

The Metalnomist Commentary

The Tanbreez Project exemplifies how strategic mineral development is now a pillar of geopolitical competition. With the US racing to onshore or ally-source REEs, Greenland’s rare earth wealth could prove to be a decisive lever in decoupling from Chinese critical mineral dominance.

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