# Nuinsco Follows-Up on Positive Metallurgical Results with an Expanded Program at the Prairie Lake Critical Minerals Project Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/nuinsco-follows-up-on-positive-metallurgical-results-with-an-expanded-program-at--8fdb591f-b50a-4cc7-9585-7b9a0ddaa81c Original source: https://webfiles-primary.thecse.com/news_releases/en/774/fda2feb8-4fd6-47e4-bb1f-9c5ad0e1d4ab Publisher: cse Original announcement: 2026-09-10T17:30:31.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-01T01:20:14.010Z Atlas analysis updated: 2026-10-01T01:20:14.010Z - Company: Nuinsco Resources Limited - Ticker: NWI - Exchange: CSE - Region: Ontario - Primary commodity: Phosphate - Secondary commodities: Rare earth element, Niobium - Document categories: Resource update, Metallurgy - Extracted: 2026-10-01 01:20:14 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Nuinsco is expanding its metallurgical testing program at the Prairie Lake Project following positive results from SGS Lakefield. The expanded program will use higher-grade samples from the 2026 Mineral Resource Estimate to assess recovery and concentrate quality for phosphate and rare earth elements. Reasoning: The company is expanding its metallurgical program following positive results, targeting higher-grade zones to further de-risk concentrate production. - Positive factor: Positive metallurgical results from previous SGS Lakefield testing - Positive factor: High REE concentrations in apatite \(1.54 wt.% TREO\) - Positive factor: Expansion of metallurgical program to higher-grade zones - Positive factor: Low deleterious element content noted - Negative factor: Future metallurgical targets \(30% P2O5, 80% recovery\) are not yet achieved Facts used in scoring: 4 ## Classification and evidence **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: The document references the 2026 updated Mineral Resource Estimate to provide context for the new metallurgical sampling. Evidence · text > New test sample drawn from higher-grade zone of the 2026 updated Mineral Resource Estimate **QA/QC Disclosed** Polarity: positive Story-specific tag Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: The release mentions results from SGS Lakefield and a Qualified Person \(Laura Giroux, P.Geo.\) has reviewed the content. Evidence · text > on the strength of the positive metallurgical results reported on August 5, 2026, by SGS Canada Inc. \("SGS Lakefield"\) **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a flotation route \("concentrate"\) ## Extracted facts Stored fact records: 4. Some facts used in scoring do not have a stored record. ## Resource Estimates (4) ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/nuinsco-follows-up-on-positive-metallurgical-results-with-an-expanded-program-at--8fdb591f-b50a-4cc7-9585-7b9a0ddaa81c#fact-resource-facts-0) Prairie Lake Critical Minerals Project · phosphate Historical result Needs review: historical\_restatement #### Identity - Project: Prairie Lake Critical Minerals Project - Commodity: phosphate - Region: canada\_on - Reported Region: Ontario - Ticker: NWI #### Resource scope - Estimate type: resource - Resource group id: resource:16069ee61a200e3ecbc5 #### Resource Data - Category: indicated - Tonnes: 3540000 - Grade: 4.59 - Grade Unit: % P₂O₅ #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-02-26T00:00:00.000Z #### Dates - Event date: 2026-09-10T00:00:00.000Z Reasoning: Indicated resource component of the 2026 MRE being used for metallurgical testing. Evidence · text > 3.54 million tonnes at 4.59% P₂O₅ and 2,204 g/t TREO Indicated #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **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 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/nuinsco-follows-up-on-positive-metallurgical-results-with-an-expanded-program-at--8fdb591f-b50a-4cc7-9585-7b9a0ddaa81c#fact-resource-facts-1) Prairie Lake Critical Minerals Project · rare earth element Historical result Needs review: historical\_restatement #### Identity - Project: Prairie Lake Critical Minerals Project - Commodity: rare earth element - Region: canada\_on - Reported Region: Ontario - Ticker: NWI #### Resource scope - Estimate type: resource - Resource group id: resource:16069ee61a200e3ecbc5 #### Resource Data - Category: indicated - Tonnes: 3540000 - Grade: 2204 - Grade Unit: g/t TREO #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-02-26T00:00:00.000Z #### Dates - Event date: 2026-09-10T00:00:00.000Z Reasoning: Indicated resource component of the 2026 MRE being used for metallurgical testing. Evidence · text > 3.54 million tonnes at 4.59% P₂O₅ and 2,204 g/t TREO Indicated #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **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 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/nuinsco-follows-up-on-positive-metallurgical-results-with-an-expanded-program-at--8fdb591f-b50a-4cc7-9585-7b9a0ddaa81c#fact-resource-facts-2) Prairie Lake Critical Minerals Project · phosphate Historical result Needs review: historical\_restatement #### Identity - Project: Prairie Lake Critical Minerals Project - Commodity: phosphate - Region: canada\_on - Reported Region: Ontario - Ticker: NWI #### Resource scope - Estimate type: resource - Resource group id: resource:d39d9b2b04cc84afa58e #### Resource Data - Category: inferred - Tonnes: 53450000 - Grade: 5.11 - Grade Unit: % P₂O₅ #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-02-26T00:00:00.000Z #### Dates - Event date: 2026-09-10T00:00:00.000Z Reasoning: Inferred resource component of the 2026 MRE being used for metallurgical testing. Evidence · text > 53.45 million tonnes at 5.11% P₂O₅ and 2,355 g/t TREO Inferred #### 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 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/nuinsco-follows-up-on-positive-metallurgical-results-with-an-expanded-program-at--8fdb591f-b50a-4cc7-9585-7b9a0ddaa81c#fact-resource-facts-3) Prairie Lake Critical Minerals Project · rare earth element Historical result Needs review: historical\_restatement #### Identity - Project: Prairie Lake Critical Minerals Project - Commodity: rare earth element - Region: canada\_on - Reported Region: Ontario - Ticker: NWI #### Resource scope - Estimate type: resource - Resource group id: resource:d39d9b2b04cc84afa58e #### Resource Data - Category: inferred - Tonnes: 53450000 - Grade: 2355 - Grade Unit: g/t TREO #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-02-26T00:00:00.000Z #### Dates - Event date: 2026-09-10T00:00:00.000Z Reasoning: Inferred resource component of the 2026 MRE being used for metallurgical testing. Evidence · text > 53.45 million tonnes at 5.11% P₂O₅ and 2,355 g/t TREO Inferred #### 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 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ## 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.