# Rare Earths Americas Launches Initial Assessment at Constellation in Poços de Caldas Amid Growing Strategic Focus on Brazilian Ionic Clay Rare Earths Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/rare-earths-americas-launches-initial-assessment-at-constellation-in-poc-os-de-c--448b4ea7-120d-46ee-8383-4ea0a9375a5a Original source: https://www.juniorminingnetwork.com/junior-miner-news/press-releases/3495-nysemkt/rea/212475-rare-earths-americas-launches-initial-assessment-at-constellation-in-pocos-de-caldas-amid-growing-strategic-focus-on-brazilian-ionic-clay-rare-earths.html Publisher: jmn Original announcement: 2026-10-07T04:12:08.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-07T12:59:46.848Z Atlas analysis updated: 2026-10-07T12:59:46.848Z - Company: Rare Earths Americas, Inc. - Ticker: REA - Exchange: NYSE American - Region: Minas Gerais, Brazil - Primary commodity: Rare earths - Secondary commodities: Neodymium, Praseodymium, Dysprosium, Terbium - Document categories: Other, Resource update - Extracted: 2026-10-07 12:59:47 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary Rare Earths Americas has commenced an Initial Assessment \(IA\) at its Constellation Rare Earths Project in the Poços de Caldas district of Brazil. The project holds an inferred mineral resource of 266.2 million tonnes at 2,637 ppm TREO, with completion of the IA targeted for mid-2027. Reasoning: The company is advancing a significant inferred resource through a formal economic evaluation \(Initial Assessment\). - Positive factor: Commencement of Initial Assessment \(IA\) at Constellation project - Positive factor: Large inferred resource of 266.2 Mt at 2,637 ppm TREO - Positive factor: Strategic location in Poços de Caldas ionic clay district - Negative factor: Resource is currently only in the Inferred category - Negative factor: Economic potential is subject to IA results Facts used in scoring: 3 ## Classification and evidence **Inferred Resource** Polarity: negative Story-specific tag Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The Constellation resource is explicitly stated as an inferred mineral resource. Evidence · text > hosts an inferred mineral resource of 266.2 million tonnes ## Extracted facts Stored fact records: 3. Some facts used in scoring do not have a stored record. ## Resource Estimates (3) ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/rare-earths-americas-launches-initial-assessment-at-constellation-in-poc-os-de-c--448b4ea7-120d-46ee-8383-4ea0a9375a5a#fact-resource-facts-0) Constellation · rare\_earths #### Identity - Project: Constellation - Commodity: rare\_earths - Region: brazil - Reported Region: Minas Gerais, Brazil - Ticker: REA #### Resource scope - Estimate type: resource - Effective date: 2025-10-31T00:00:00.000Z - Reporting standards: other - QP Signed: Yes - Qualified person names: Leandro Coracini Ollita - Resource group id: resource:f434b50b3c75888fbd72 - Deposit or zone: Constellation - Mining method: open\_pit - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 266200000 - Grade: 2637 - Grade Unit: ppm - Cutoff Grade: 1000 - Cutoff Unit: ppm TREO #### Prior Estimate - Resource Date: 2025-10-31 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-07T00:00:00.000Z Reasoning: Large scale inferred resource provides a substantial base for the upcoming Initial Assessment. - Positive factor: Significant scale with 266.2 Mt - Negative factor: Inferred category implies high geological uncertainty Evidence · text > inferred mineral resource of 266.2 million tonnes at 2,637 ppm TREO #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/rare-earths-americas-launches-initial-assessment-at-constellation-in-poc-os-de-c--448b4ea7-120d-46ee-8383-4ea0a9375a5a#fact-resource-facts-1) Constellation · neodymium-praseodymium #### Identity - Project: Constellation - Commodity: neodymium-praseodymium - Region: brazil - Reported Region: Minas Gerais, Brazil - Ticker: REA #### Resource scope - Estimate type: resource - Effective date: 2025-10-31T00:00:00.000Z - Reporting standards: ni\_43\_101, sec\_sk1300 - Resource group id: resource:5a15acaeae40700486bd - Mining method: open\_pit - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 266200000 - Grade: 21 - Grade Unit: % TREO #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-07T00:00:00.000Z Reasoning: NdPr is a key magnet metal component of the TREO basket. - Positive factor: Significant NdPr content \(21%\) Evidence · text > magnet rare earths neodymium-praseodymium \(“NdPr”\) ... making up approximately 21% ... of the TREO basket #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/rare-earths-americas-launches-initial-assessment-at-constellation-in-poc-os-de-c--448b4ea7-120d-46ee-8383-4ea0a9375a5a#fact-resource-facts-2) Constellation · dysprosium-terbium #### Identity - Project: Constellation - Commodity: dysprosium-terbium - Region: brazil - Reported Region: Minas Gerais, Brazil - Ticker: REA #### Resource scope - Estimate type: resource - Effective date: 2025-10-31T00:00:00.000Z - Reporting standards: ni\_43\_101, sec\_sk1300 - Resource group id: resource:5a15acaeae40700486bd - Mining method: open\_pit - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 266200000 - Grade: 1 - Grade Unit: % TREO #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-07T00:00:00.000Z Reasoning: DyTb content is critical for high-performance permanent magnets. - Positive factor: Presence of heavy rare earths \(DyTb\) Evidence · text > dysprosium and terbium \(“DyTb”\) making up approximately ... 1% of the TREO basket #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ## 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.