Harena Rare Earths to Evaluate Acquisition of California's Heavy Rare Earth and Uranium Assets

Published: Mar 18, 2026 13:49

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UK rare earth exploration company Harena Rare Earths signed an exclusivity agreement to evaluate the acquisition of Paradigm Critical Minerals’ heavy rare earth and uranium assets in California. The asset is located in San Bernardino County, about 100 miles from Mountain Pass mine, MP Materials’ rare earth mine, the only producing rare earth mine in North America.
Historical drilling showed significant potential for the project, with surface exploration identifying a light-to-heavy rare earth ratio of about 50:50 and grab samples with TREO grades of up to around 2%. Uranium grades reached 10 times those of currently operating projects worldwide. Harena will conduct due diligence to advance the transaction, and the project will complement its ionic clay rare earth project in Madagascar.

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