St George Mining Grows Araxá Resource by 75% in Major Upgrade


 St George Mining Limited has announced a significant increase in the Mineral Resource Estimate (MRE) at its 100 %-owned Araxá Rare Earths-Niobium Project in Brazil, boosting total resources by approximately 75 % compared with the previous estimate.

Under the updated resource model, the Araxá deposit now hosts 70.91 million tonnes at 4.06 % total rare earth oxides (TREO) and 0.62 % niobium oxide (Nb₂O₅) using a 2 % TREO cut-off grade — a substantial growth that strengthens the project’s standing as a globally significant rare earths and niobium development outside of China.

Highlights of the resource upgrade include:
• A 218 % increase in higher-confidence Measured & Indicated categories, now accounting for nearly 29.49 Mt at 4.56 % TREO and 0.75 % Nb₂O₅.
• A robust Inferred base of 41.42 Mt at 3.71 % TREO and 0.52 % Nb₂O₅.

Much of the mineralisation starts near surface and remains open in multiple directions, with ongoing drilling and additional assays expected to further expand and upgrade the resource in future updates.

The Araxá Project lies within the Barreiro Carbonatite Complex in Minas Gerais, adjacent to existing niobium infrastructure operated by CBMM, offering potential cost and operational advantages. The upgrade reinforces the company’s strategy to develop a world-class source of critical minerals essential for advanced technologies and clean energy applications, as global demand rises. 

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