# St George steps up dual processing of rare earths and niobium at pilot plant Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant--e7a9e744-d219-4134-8a75-c1dfc7bf6c18 Original source: https://stockhead.com.au/resources/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant/ Publisher: stockhead Original announcement: 2026-09-02T21:18:27.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: St George Mining - Ticker: SGQ - Exchange: Unavailable - Region: Minas Gerais, Brazil - Primary commodity: Rare earths - Secondary commodities: Niobium - Document categories: Metallurgy, Resource update - Extracted: 2026-09-02 23:02:52 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary St George Mining is conducting a 4-6 week pilot plant study at the CIT-SENAI facility in Brazil to develop dual processing pathways for rare earths and niobium. The study aims to replicate successful historical results and will inform the construction of a new large-scale pilot plant at the Araxá project. Reasoning: The company is advancing metallurgical testing at a pilot scale for a significant rare earths and niobium resource, supported by experienced industry personnel. - Positive factor: Pilot plant testing underway for dual processing - Positive factor: High-quality technical team with CBMM experience - Positive factor: Large scale resource mentioned - Positive factor: Successful historical pilot results cited Facts used in scoring: 5 ## Classification and evidence **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: The company is currently conducting pilot plant studies to replicate previous success. Evidence · text > Testwork at the CIT-SENAI pilot plant in Minas Gerais, Brazil, is preparing St George Mining for dual processing **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: The document mentions a resource upgrade that occurred last month. Evidence · text > A resource upgrade last month made Araxá the largest and highest grade hard-rock rare earths resource in South America ## Extracted facts Stored fact records: 5. Some facts used in scoring do not have a stored record. ## Metallurgical Results (5) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant--e7a9e744-d219-4134-8a75-c1dfc7bf6c18#fact-metallurgical-facts-0) rare\_earths Historical result Needs review: historical\_restatement #### Identity - Commodity: rare\_earths - Ticker: SGQ #### Test Work - Sample: 2012/13 pilot plant program on Araxá mineralisation #### Recovery - Recovery: 86 % - Recovery Basis: actual\_test #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2012-01-01T00:00:00.000Z #### Dates - Event date: 2026-09-02T00:00:00.000Z Reasoning: Historical recovery of 86% TREO demonstrates technical feasibility. - Positive factor: High recovery achieved in historical test Evidence · text > A 2012/13 pilot plant program on Araxá mineralisation produced rare earth oxalate at greater than 99% purity with an overall TREO recovery of 86% ### Fact 2 [Link to this fact](https://atlas-staging.minestarters.com/news/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant--e7a9e744-d219-4134-8a75-c1dfc7bf6c18#fact-metallurgical-facts-1) rare\_earths #### Identity - Commodity: rare\_earths - Ticker: SGQ #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-02T00:00:00.000Z Reasoning: Strong indicated resource grade for rare earths. - Positive factor: High grade indicated resource Evidence · text > The higher confidence measured and indicated category comprises 75.2Mt at 3.64% TREO ### Fact 3 [Link to this fact](https://atlas-staging.minestarters.com/news/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant--e7a9e744-d219-4134-8a75-c1dfc7bf6c18#fact-metallurgical-facts-2) niobium #### Identity - Commodity: niobium - Ticker: SGQ #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-02T00:00:00.000Z Reasoning: Niobium grade reported as part of the indicated resource. - Positive factor: Consistent niobium grade in indicated resource Evidence · text > 75.2Mt at 3.64% TREO, 0.71% MREO, 0.69% NdPr and 0.58% Nb2O5 ### Fact 4 [Link to this fact](https://atlas-staging.minestarters.com/news/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant--e7a9e744-d219-4134-8a75-c1dfc7bf6c18#fact-metallurgical-facts-3) rare\_earths #### Identity - Commodity: rare\_earths - Ticker: SGQ #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-02T00:00:00.000Z Reasoning: Large scale inferred resource reported. - Positive factor: Large scale resource Evidence · text > MRE of 111.2Mt at 3.57% TREO ### Fact 5 [Link to this fact](https://atlas-staging.minestarters.com/news/st-george-steps-up-dual-processing-of-rare-earths-and-niobium-at-pilot-plant--e7a9e744-d219-4134-8a75-c1dfc7bf6c18#fact-metallurgical-facts-4) niobium #### Identity - Commodity: niobium - Ticker: SGQ #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-02T00:00:00.000Z Reasoning: Niobium grade reported as part of the inferred resource. - Positive factor: Significant niobium content Evidence · text > 111.2Mt at 3.57% TREO and 0.57% Nb2O5 ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.