# Selkirk outlines 13-year Minto mine plan Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4 Original source: https://www.miningnewsnorth.com/story/2026/09/25/northern-neighbors/selkirk-outlines-13-year-minto-mine-plan/9878.html Publisher: miningnewsnorth Original announcement: 2026-09-23T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-24T13:50:25.866Z Atlas analysis updated: 2026-09-24T13:50:25.866Z - Company: Selkirk Copper Mines Inc. - Ticker: Unavailable - Exchange: Unavailable - Region: Yukon - Primary commodity: Copper - Secondary commodities: Gold, Silver - Document categories: Resource update, Other - Extracted: 2026-09-24 13:50:26 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Selkirk Copper Mines Inc. has released a Preliminary Economic Assessment \(PEA\) for the Minto copper-gold-silver mine in Yukon, projecting a 13-year mine life with an after-tax NPV of C$494 million. The plan leverages existing infrastructure for a 4,100 tpd restart, targeting first concentrate production in the second half of 2028. Reasoning: The PEA outlines a robust economic case for a mine restart using existing infrastructure, supported by a significant copper-gold-silver resource. - Positive factor: Strong NPV and IRR from PEA - Positive factor: Leverages existing infrastructure - Positive factor: Significant resource scale - Positive factor: Indigenous-led ownership - Negative factor: High sustaining capital requirements - Negative factor: Project requires significant refurbishment Facts used in scoring: 6 ## Classification and evidence **Maiden Resource** Polarity: neutral Definition: First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. Why it applies: The PEA outlines a restart plan for a past-producing mine, establishing a new economic baseline. Evidence · text > PEA outlines C$494 million NPV and restart as early as 2028 ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Resource Estimates (6) ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4#fact-resource-facts-0) Minto · copper #### Identity - Project: Minto - Commodity: copper - Region: canada\_yt - Reported Region: Yukon #### Resource scope - Estimate type: resource - Resource group id: resource:005238a739346adbce89 - Deposit or zone: Minto - Mining method: combined #### Resource Data - Category: indicated - Tonnes: 47800000 - Grade: 0.89 - Grade Unit: % - Contained Metal: 940000000 - Contained Unit: lb #### Prior Estimate - Resource Date: 2026-07-01 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: Indicated copper resource at 0.89%. - Positive factor: Large tonnage Evidence · text > 47.8 million metric tons of measured and indicated resources averaging 0.89% copper #### 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 QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4#fact-resource-facts-1) Minto · gold #### Identity - Project: Minto - Commodity: gold - Region: canada\_yt - Reported Region: Yukon #### Resource scope - Estimate type: resource - Resource group id: resource:005238a739346adbce89 - Deposit or zone: Minto - Mining method: combined #### Resource Data - Category: indicated - Tonnes: 47800000 - Grade: 0.34 - Grade Unit: g/t - Contained Metal: 530000 - Contained Unit: oz #### Prior Estimate - Resource Date: 2026-07-01 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: Indicated gold byproduct. Evidence · text > 0.34 grams per metric ton gold, and 3.2 g/t silver, containing 940 million lb copper, 530,000 ounces gold, and 4.97 million oz silver #### 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 QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4#fact-resource-facts-2) Minto · silver #### Identity - Project: Minto - Commodity: silver - Region: canada\_yt - Reported Region: Yukon #### Resource scope - Estimate type: resource - Resource group id: resource:005238a739346adbce89 - Deposit or zone: Minto - Mining method: combined #### Resource Data - Category: indicated - Tonnes: 47800000 - Grade: 3.2 - Grade Unit: g/t - Contained Metal: 4970000 - Contained Unit: oz #### Prior Estimate - Resource Date: 2026-07-01 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: Indicated silver byproduct. Evidence · text > 3.2 g/t silver, containing 940 million lb copper, 530,000 ounces gold, and 4.97 million oz silver #### 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 QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **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/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4#fact-resource-facts-3) Minto · copper #### Identity - Project: Minto - Commodity: copper - Region: canada\_yt - Reported Region: Yukon #### Resource scope - Estimate type: resource - Resource group id: resource:ef7717b8fe50c6e51303 - Deposit or zone: Minto - Mining method: combined #### Resource Data - Category: inferred - Tonnes: 16900000 - Grade: 0.76 - Grade Unit: % - Contained Metal: 281000000 - Contained Unit: lb #### Prior Estimate - Resource Date: 2026-07-01 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: Inferred copper resource at 0.76%. Evidence · text > 16.9 million metric tons of inferred resources averaging 0.76% copper #### 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 QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **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/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4#fact-resource-facts-4) Minto · gold #### Identity - Project: Minto - Commodity: gold - Region: canada\_yt - Reported Region: Yukon #### Resource scope - Estimate type: resource - Resource group id: resource:ef7717b8fe50c6e51303 - Deposit or zone: Minto - Mining method: combined #### Resource Data - Category: inferred - Tonnes: 16900000 - Grade: 0.26 - Grade Unit: g/t - Contained Metal: 142000 - Contained Unit: oz #### Prior Estimate - Resource Date: 2026-07-01 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: Inferred gold byproduct. Evidence · text > 0.26 g/t gold, and 2.7 g/t silver, containing 281 million lb copper, 142,000 oz gold, and 1.5 million oz silver #### 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 QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **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/selkirk-outlines-13-year-minto-mine-plan--abc7fdd8-d2b6-4c54-b9f2-0d451ce41ad4#fact-resource-facts-5) Minto · silver #### Identity - Project: Minto - Commodity: silver - Region: canada\_yt - Reported Region: Yukon #### Resource scope - Estimate type: resource - Resource group id: resource:ef7717b8fe50c6e51303 - Deposit or zone: Minto - Mining method: combined #### Resource Data - Category: inferred - Tonnes: 16900000 - Grade: 2.7 - Grade Unit: g/t - Contained Metal: 1500000 - Contained Unit: oz #### Prior Estimate - Resource Date: 2026-07-01 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: Inferred silver byproduct. Evidence · text > 2.7 g/t silver, containing 281 million lb copper, 142,000 oz gold, and 1.5 million oz silver #### 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 QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **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.