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St George Mining's Araxá Resource Surge Drives Rally Amid Rare Earths Momentum

3/18/2026, 8:16:41 PM | China | United States | Australia | South America

Mining

St George Mining (ASX:SGQ) has delivered substantial resource upgrades at its Araxá project in Brazil, expanding rare earth oxide reserves to 70 million tonnes and niobium to 95 million tonnes. Despite a sell rating from analysts, the company's strategic partnerships and ongoing drill success have shifted market sentiment positively, with recent developments highlighting significant production potential.

St George Mining's share price has been propelled by transformational developments at its flagship Araxá rare earths and niobium project in Brazil. The most significant catalyst came on March 3, 2026, when the company announced a major resource upgrade-increasing rare earth oxide resources from 40 million tonnes to 70 million tonnes, while niobium resources expanded to 95 million tonnes. This upgrade, following an intensive drilling campaign that commenced in mid-2024, has positioned Araxá as a globally competitive asset comparable to major operations like Mountain Pass in the United States and Mount Weld in Australia.

Drill results have been consistently impressive, with the company announcing thick mineralized intercepts ranging from 100 to 165 meters from surface. Executive Chairman John Prineas emphasized that the upper 20 to 30 meters of the deposit-material that would be prioritized in the first 10 to 20 years of mining-contains heavily mineralized ore, underscoring the project's near-surface production advantages. As recently as mid-March, the company released additional high-grade drill results extending 130 to 140 meters from surface, demonstrating the potential for further resource expansion beyond current estimates.

Strategic partnerships are unlocking additional value streams at the Araxá project. In early March 2026, St George Mining signed a memorandum of understanding with Nanum Nanotecnologia to commercialize the cerium component from its rare earths resource. This collaboration addresses a historically overlooked commodity within rare earth deposits, with the potential to materially enhance project economics. The partnership includes metallurgical testwork, technology evaluation, and marketing strategy development to secure long-term offtake contracts. The company has also extended its strategic alliance with US-based REalloys, strengthening relationships with downstream processors and improving market positioning.

Market sentiment has shown mixed signals despite operational success. While the 12-month analyst price target averages 0.263 AUD with estimates ranging from 0.20 to 0.36 AUD, the most recent analyst rating carries a sell recommendation with a 0.13 to 0.14 AUD price target. This disconnect suggests analyst caution regarding the company's path to production financing and execution risk, despite the resource quality. The stock's volatility-trading with a beta of 0.66-reflects typical exploration and development stage risk, though the company has reported a 310.71% increase over the past year.

Trading activity and price movements have reflected the competing narratives between exploration success and development stage risk. The share price reached 0.135 AUD at recent levels, with significant week-to-week volatility. Market capitalization now stands at approximately 407.59 million AUD with 3.25 billion shares outstanding. Technical ratings suggest neutral positioning in the immediate term, though the one-month outlook carries a buy signal. Half-year financial reports issued in mid-March showed accumulated losses of 7.85 million AUD for the recent half-year period, underscoring the pre-revenue nature of the operation.

Broader context reveals that rare earth markets have remained elevated throughout 2025 and into 2026, driven by sustained demand from clean energy transitions, electric vehicle manufacturing, and defense applications. Supply concerns regarding critical rare earth elements have supported commodity prices, benefiting projects like Araxá that can offer geographically diversified production outside China. The successful resource expansion comes at an opportune time when global investors are reassessing rare earth supply chains and seeking new production sources outside traditional jurisdictions. However, Brazilian operational and regulatory complexities continue to create execution risk that tempers investor enthusiasm despite the exceptional resource characteristics.

Elements in article:

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Recent Developments

2/10/2026

St George Mining's Araxá Drilling Fuels Share Surge

St George Mining (ASX:SGQ) shares have experienced heightened volatility amid stellar drilling results from the Araxá rare earths and niobium project in Brazil, boosting trading volumes and drawing bullish analyst attention despite recent pullbacks.

2/3/2026

St George Mining Advances Araxá Amid Volatile Trading

St George Mining (ASX:SGQ) reports strong drilling results at Araxá project in Brazil, boosting niobium and rare earth potential, though share price shows recent declines and high volatility. Positive market sentiment driven by US partnerships, with analysts noting Hold ratings.

1/28/2026

St George deepens US ties for Araxá critical minerals

St George hired a Washington adviser to advance its Araxá rare earths–niobium project amid growing US support for Western Hemisphere supply chains.

1/28/2026

St George Taps US Advisor to Boost Araxá Rare Earths

St George hired a US advisor to accelerate funding, partnerships and development of its high-grade Araxá rare earths project amid growing US-Brazil critical minerals interest.

1/27/2026

St George Mining Advances Araxá with High-Grade Discoveries

St George Mining (ASX:SGQ) has reported exceptional drilling results at its Araxá project in Brazil, driving share price gains amid positive market sentiment and analyst optimism for resource upgrades.

St George Mining

SGQ
St George Mining Limited (ASX:SGQ) is a West Perth-based exploration company targeting critical minerals like niobium, rare earths, lithium, nickel, and copper. Key assets include the Araxá Project in Brazil—acquired in 2025 with a maiden resource of 41.2 Mt at 0.68% Nb2O5 and 40.6 Mt at 4.13% TREO—and Western Australia's Mt Alexander project.
Australian Securities Exchange (ASX)