# Tinka Resources Launches PEA Update Evaluating Combined Colquipucro and Ayawilca Development Scenarios Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/tinka-resources-launches-pea-update-evaluating-combined-colquipucro-and-ayawilca--2628d0ed-e014-40b3-a5af-e81ae42927a3 Original source: https://www.juniorminingnetwork.com/junior-miner-news/press-releases/799-tsx-venture/tk/212949-tinka-launches-pea-update-evaluating-combined-colquipucro-and-ayawilca-development-scenarios.html Publisher: jmn Original announcement: 2026-10-15T04:04:20.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-15T12:42:23.590Z Atlas analysis updated: 2026-10-15T12:42:23.590Z - Company: Tinka Resources Limited - Ticker: TK - Exchange: TSXV - Region: Peru - Primary commodity: Silver - Secondary commodities: Zinc, Lead, Tin - Document categories: Other, Resource update - Extracted: 2026-10-15 12:42:24 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Tinka Resources has commenced an updated Preliminary Economic Assessment \(PEA\) for the Ayawilca project in Peru. The update will evaluate a staged development strategy starting with an open-pit silver operation at Colquipucro, followed by an underground zinc-silver-lead mine at Ayawilca. Reasoning: The announcement of a PEA update to evaluate a new staged development scenario \(Colquipucro open-pit followed by Ayawilca underground\) is a significant strategic move, though it is a forward-looking study rather than immediate technical results. - Positive factor: staged development concept potentially reduces initial CAPEX - Positive factor: significant increase in silver prices since last assessment - Positive factor: improved structural model and delineation of new mineralisation domains - Negative factor: results are not expected until early 2027 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 company has announced the commencement of an updated Mineral Resource Estimate for Ayawilca and Colquipucro. Evidence · text > The PEA Update will include an updated Mineral Resource Estimate ## 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/tinka-resources-launches-pea-update-evaluating-combined-colquipucro-and-ayawilca--2628d0ed-e014-40b3-a5af-e81ae42927a3#fact-resource-facts-0) Colquipucro · silver Historical result Needs review: historical\_restatement #### Identity - Project: Colquipucro - Commodity: silver - Region: peru - Reported Region: Peru - Ticker: TK #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Katharine Masun - Resource group id: resource:419d789ae4d8d9d53fbd - Deposit or zone: Colquipucro High grade lenses - Resource basis: gross #### Resource Data - Category: indicated - Tonnes: 7400000 - Grade: 60 - Grade Unit: g/t - Contained Metal: 14.3 - Contained Unit: moz ag #### Prior Estimate - Resource Date: 2016-05-25 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2016-05-25T00:00:00.000Z #### Dates - Event date: 2026-10-15T00:00:00.000Z Reasoning: Historical indicated resource for Colquipucro silver lenses. Evidence · table > 60 Context: 7.4 #### 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 **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 **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 **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 **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 10.4 years before this release ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/tinka-resources-launches-pea-update-evaluating-combined-colquipucro-and-ayawilca--2628d0ed-e014-40b3-a5af-e81ae42927a3#fact-resource-facts-1) Colquipucro · silver Historical result Needs review: historical\_restatement #### Identity - Project: Colquipucro - Commodity: silver - Region: peru - Reported Region: Peru - Ticker: TK #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Katharine Masun - Resource group id: resource:37cff128587bdc8bd172 - Deposit or zone: Colquipucro Low grade halo - Resource basis: gross #### Resource Data - Category: indicated - Tonnes: 7400000 - Grade: 60 - Grade Unit: g/t #### Prior Estimate - Resource Date: 2016-05-25 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2016-05-25T00:00:00.000Z #### Dates - Event date: 2026-10-15T00:00:00.000Z Reasoning: Historical indicated resource for Colquipucro low grade halo. Evidence · table > 60 Context: 7.4 #### 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 **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 **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 **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 **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 10.4 years before this release ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/tinka-resources-launches-pea-update-evaluating-combined-colquipucro-and-ayawilca--2628d0ed-e014-40b3-a5af-e81ae42927a3#fact-resource-facts-2) Colquipucro · silver Historical result Needs review: historical\_restatement #### Identity - Project: Colquipucro - Commodity: silver - Region: peru - Reported Region: Peru - Ticker: TK #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Katharine Masun - Resource group id: resource:77570fda57b738f6c065 - Deposit or zone: Colquipucro High grade lenses - Resource basis: gross #### Resource Data - Category: inferred - Tonnes: 8500000 - Grade: 48 - Grade Unit: g/t - Contained Metal: 13.2 - Contained Unit: moz ag #### Prior Estimate - Resource Date: 2016-05-25 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2016-05-25T00:00:00.000Z #### Dates - Event date: 2026-10-15T00:00:00.000Z Reasoning: Historical inferred resource for Colquipucro high grade lenses. Evidence · table > 48 Context: 8.5 #### 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 **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 **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 **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 **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 10.4 years before this release ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/tinka-resources-launches-pea-update-evaluating-combined-colquipucro-and-ayawilca--2628d0ed-e014-40b3-a5af-e81ae42927a3#fact-resource-facts-3) Colquipucro · silver Historical result Needs review: historical\_restatement #### Identity - Project: Colquipucro - Commodity: silver - Region: peru - Reported Region: Peru - Ticker: TK #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Katharine Masun - Resource group id: resource:5ee3f4147f0eea50e4e7 - Deposit or zone: Colquipucro Low grade halo - Resource basis: gross #### Resource Data - Category: inferred - Tonnes: 8500000 - Grade: 48 - Grade Unit: g/t #### Prior Estimate - Resource Date: 2016-05-25 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2016-05-25T00:00:00.000Z #### Dates - Event date: 2026-10-15T00:00:00.000Z Reasoning: Historical inferred resource for Colquipucro low grade halo. Evidence · table > 48 Context: 8.5 #### 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 **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 **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 **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 **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 10.4 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.