St George Mining Smashes Record with Thickest-Ever High-Grade Drill Hit at Araxá, Brazil


 St George Mining Ltd (ASX: SGQ) has reported its biggest and best diamond drill result yet from ongoing exploration at the company’s 100%-owned Araxá Rare Earths and Niobium Project in Minas Gerais, Brazil.

In its most recent drilling release, St George announced a record-breaking intersection of 139.45 metres of high-grade rare earth and niobium mineralisation from surface, grading 4.05% Total Rare Earth Oxides (TREO) and 0.55% niobium pentoxide (Nb₂O₅) in hole AXDD004. This result surpasses all prior drill intercepts reported from the project, setting a new benchmark for both thickness and grade.

The thick intercept includes a standout sub-zone of 53.9 m @ 5.44% TREO and 0.79% Nb₂O₅ from just 9 m depth, underscoring the continuity of high-quality mineralisation from near surface.

Alongside this record interval, assay results from nine other diamond holes showed multiple substantial mineralised intersections from surface, such as:

80.15 m @ 5.11% TREO & 0.76% Nb₂O₅ (AXDD007) including 43.9 m @ 6.18% TREO & 1.05% Nb₂O₅ from 36.2 m.

82.55 m @ 3.90% TREO & 0.59% Nb₂O₅ (AXDD014) including 56.55 m @ 4.97% TREO & 0.72% Nb₂O₅ from 26 m.

81.45 m @ 4.52% TREO & 0.56% Nb₂O₅ (AXDD018) including 4.55 m @ 8.87% TREO & 0.78% Nb₂O₅ from 21.45 m.

According to St George, the width, grade, and consistency of these intersections are expanding the known footprint of the Araxá carbonatite system and support the potential for a significant increase in the Mineral Resource Estimate. Mineralisation remains open in all directions, including at depth, and the company has confirmed that drilling will continue into 2026 with multiple rigs active onsite.

Executive Chairman John Prineas highlighted that the exceptional drill results — especially the latest record intercept — affirm the world-class nature of the Araxá deposit and strengthen confidence in its long-term development prospects.

Overall, these outcomes reinforce Araxá’s position as one of the largest and highest-grade rare earths and niobium projects in South America, with substantial upside for resource growth and future economic studies

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