# North Shore Advances Rio Puerco Towards Drilling Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5 Original source: https://money.tmx.com/en/quote/NSU/news/7368313903396548/north-shore-advances-rio-puerco-towards-drilling Publisher: tmx Original announcement: 2025-10-29T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: North Shore Uranium Ltd. - Ticker: NSU - Exchange: TSX - Region: New Mexico - Primary commodity: Uranium - Secondary commodities: None reported - Document categories: Drill results, Resource update, Other - Extracted: 2026-09-16 15:12:46 UTC Narrative sentiment: 0.20 · Bullish ## Minestarters Atlas summary North Shore Uranium Ltd. is preparing for a H1 2026 drill program at its Rio Puerco uranium project in New Mexico to verify and expand upon a historical resource. The company has developed a 3D model based on historical Kerr-McGee data to target interpreted mineralization and potential in-situ recovery \(ISR\) zones. Reasoning: The company is providing an update on its plan to validate and expand a historical uranium resource through upcoming drilling, rather than announcing a new resource estimate. - Positive factor: Potential to expand mineralization beyond historical limits - Positive factor: Historical data supports low-cost ISR mining potential - Positive factor: Systematic 3D modeling completed to facilitate drilling - Negative factor: The resource being discussed is a historical estimate and not current - Negative factor: Historical data has not been verified by the current company Facts used in scoring: 9 ## Classification and evidence **Historical Estimate Only** Polarity: negative Definition: Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling. Why it applies: The resource discussed is a 2009 estimate based on 1960s/70s data and has not been verified by the current company. Evidence · text > The Historical Resource outlined in this news release has not been verified and should not be relied upon. It is a historical estimate and not current **Nearology Play** Polarity: neutral Story-specific tag Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: The project's value is discussed in the context of its proximity to the historic Jackpile Mine. Evidence · text > including the historic Jackpile Mine located approximately 20 km southwest of Rio Puerco ## Extracted facts Stored fact records: 9. Some facts used in scoring do not have a stored record. ## Drill Results (8) ### 18-25 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-1) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-25 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.14 - Grade Unit: % - Intercept: 3.2 m - From: 177.4 m - To: 180.6 m - Intercept Depth: 177.4 m #### Classification - Sample Type: drill - Group ID: 18-25:177.4-180.6 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 18-25 3.2 m @ 0.14% eU 3 O 8 from 177.4 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-25 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-2) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-25 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.22 - Grade Unit: % - Intercept: 1.4 m - From: 182.7 m - To: 184.1 m - Intercept Depth: 182.7 m #### Classification - Sample Type: drill - Group ID: 18-25:182.7-184.1 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 1.4 m @ 0.22% eU 3 O 8 from 182.7 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-25C [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-3) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-25C - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 3.4 m - From: 181.5 m - To: 184.9 m - Intercept Depth: 181.5 m #### Classification - Sample Type: drill - Group ID: 18-25C:181.5-184.9 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 18-25C \(Core hole drilled near rotary hole described above\) 3.4 m @ 0.3% eU 3 O 8 from 181.5 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-727 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-4) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-727 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 0.5 m - From: 177.4 m - To: 177.9 m - Intercept Depth: 177.4 m #### Classification - Sample Type: drill - Group ID: 18-727:177.4-177.9 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 18-727 0.5 m @ 0.13% eU 3 O 8 from 177.4 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-727 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-5) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-727 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.09 - Grade Unit: % - Intercept: 4.3 m - From: 178 m - To: 182.3 m - Intercept Depth: 178 m #### Classification - Sample Type: drill - Group ID: 18-727:178-182.3 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 4.3 m @ 0.09% eU 3 O 8 from 178.0 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-727 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-6) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-727 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.11 - Grade Unit: % - Intercept: 0.5 m - From: 183.8 m - To: 184.3 m - Intercept Depth: 183.8 m #### Classification - Sample Type: drill - Group ID: 18-727:183.8-184.3 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 0.5 m @ 0.11% eU 3 O 8 from 183.8 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-575 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-7) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-575 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.18 - Grade Unit: % - Intercept: 2.4 m - From: 178.6 m - To: 181 m - Intercept Depth: 178.6 m #### Classification - Sample Type: drill - Group ID: 18-575:178.6-181 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 18-575 2.4 m @ 0.18% eU 3 O 8 from 178.6 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 18-575 [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-drill-facts-8) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Hole ID: 18-575 - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: mexico - Ticker: NSU #### Geometry - Grade: 0.31 - Grade Unit: % - Intercept: 1.2 m - From: 184 m - To: 185.2 m - Intercept Depth: 184 m #### Classification - Sample Type: drill - Group ID: 18-575:184-185.2 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: Historical intersection provided as illustrative context. Evidence · text > 1.2 m @ 0.31% eU 3 O 8 from 184.0 m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ## Resource Estimates (1) ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/north-shore-advances-rio-puerco-towards-drilling--b028b3d4-1a5f-4bc0-bf25-41dc8abfaeb5#fact-resource-facts-0) Rio Puerco · uranium Historical result Needs review: historical\_restatement #### Identity - Project: Rio Puerco - Commodity: uranium - Region: mexico - Reported Region: New Mexico - Ticker: NSU #### Resource scope - Estimate type: resource - Reporting standards: jorc - Resource group id: resource:db42341309f4da6dc5d7 - Deposit or zone: Section 18 #### Resource Data - Category: inferred - Tonnes: 6000000 - Grade: 0.09 - Grade Unit: % eU3O8 - Contained Metal: 11.4 - Contained Unit: million pounds of u3o8 - Cutoff Grade: 0.03 - Cutoff Unit: % eU3O8 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2009-01-01T00:00:00.000Z #### Dates - Event date: 2025-10-29T00:00:00.000Z Reasoning: This is a restatement of a 2009 historical resource. - Negative factor: Historical data not verified by current management Evidence · text > a historical resource estimate of 6.0 million tonnes at an average grade of 0.09% eU 3 O 8 for 11.4 million pounds of U 3 O 8 was reported for Rio Puerco in 2009 #### 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 **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 16.8 years before this release ## 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.