St George Mining Delivers Thickest-Ever Drill Result at Araxá, Boosting Rare Earths & Niobium Potential


 St George Mining Limited (ASX: SGQ) has reported its thickest and most significant drill intersection to date at the 100 %-owned Araxá Rare Earths and Niobium Project in Minas Gerais, Brazil, marking a major milestone in the project’s ongoing expansion and exploration program.

The standout result comes from diamond hole AXDD004, which returned an exceptional 139.45 metres @ 4.05 % Total Rare Earth Oxides (TREO) and 0.55 % niobium pentoxide (Nb₂O₅) starting from surface — the deepest and thickest high-grade intercept the company has recorded at Araxá so far.

This new interval surpasses previous strong results at the project and reinforces the scale, continuity and quality of the rare earths-niobium mineralisation, which remains open laterally and at depth. Other recent drills have also delivered significant intersections, such as:

80.15 m @ 5.11 % TREO & 0.76 % Nb₂O₅ (including higher-grade sub-intervals)

82.55 m @ 3.90 % TREO & 0.59 % Nb₂O₅

81.45 m @ 4.52 % TREO & 0.56 % Nb₂O₅
—all from near-surface depths and reinforcing the thick mineralised envelope.

Executive Chairman John Prineas said the record result highlights Araxá’s potential to rank among the world’s leading rare earths and niobium deposits, noting that the broad zone of mineralisation starts right at surface — a factor that can improve future development economics.

The latest drilling campaign, supported by multiple rigs onsite, continues to extend known mineralisation beyond the existing resource footprint, with further assay results pending. These thick, high-grade intercepts are expected to support significant upgrades to the project’s resource estimate and underpin the next phase of technical studies planned for 2026.

St George’s progress at Araxá comes amid rising global demand for critical minerals, driven by electrification, clean-energy technologies and strategic supply chain diversification — positioning the company to capitalise on an expanding rare earths market. 

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