# Trident Unlocks Value from Non-Core Knife Lake Copper Project Through Option Agreement with Apogee Minerals Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e Original source: https://money.tmx.com/en/quote/ROCK/news/4886195794158635/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr Publisher: tmx Original announcement: 2026-07-14T21:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Trident Resources Corp. - Ticker: ROCK - Exchange: TSX - Region: Saskatchewan - Primary commodity: Copper - Secondary commodities: Silver, Zinc, Gold, Cobalt - Document categories: Resource update, Agreement transaction - Extracted: 2026-09-18 18:32:08 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Trident Resources Corp. has entered into an option agreement with Apogee Minerals for its Knife Lake Copper Project in Saskatchewan. The deal provides Trident with C$400,000 in cash, C$700,000 in shares, and C$1,000,000 in exploration expenditures over two years, while Trident retains no further funding obligations. Reasoning: Trident has secured a deal to monetize its Knife Lake copper project through an option agreement, providing immediate cash and equity while offloading all future exploration costs. - Positive factor: Strategic monetization of non-core asset - Positive factor: Immediate cash and equity inflow - Positive factor: Zero capital obligation for future work at Knife Lake - Positive factor: Preserves upside exposure via equity in Apogee - Negative factor: Asset is non-core to primary gold strategy Facts used in scoring: 10 ## Classification and evidence **agreement\_transaction** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: The document announces an option agreement for Apogee to earn a 100% interest in the Knife Lake Copper Project. Evidence · text > entered into an option agreement dated July 13 th , 2026 **resource\_update** Polarity: neutral Story-specific tag Definition: No canonical definition is currently available. Why it applies: The document restates a historical NI 43-101 compliant Mineral Resource Estimate. Evidence · text > Historical Mineral Resource Estimate: The Knife Lake Project is host to a historical NI 43-101 compliant Mineral Resource Estimate **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The historical estimate includes an Inferred category. Evidence · text > and an Inferred Mineral Resource of 7.9 million tonnes **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 estimate is explicitly labeled as historical and dated June 12, 2019. Evidence · text > Historical Mineral Resource Estimate... with an effective date of June 12, 2019 ## Extracted facts Stored fact records: 10. Some facts used in scoring do not have a stored record. ## Resource Estimates (10) ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-0) Knife Lake Copper Project · copper Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: copper - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:d40893e90305b778c344 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: indicated - Tonnes: 3800000 - Grade: 0.83 - Grade Unit: % - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Indicated portion of the historical resource estimate. - Negative factor: Historical data Evidence · text > pit-constrained Indicated Mineral Resource of 3.8 million tonnes at 1.02% CuEq \(0.83% Cu, 3.7 g/t Ag, 0.097 g/t Au, 82 ppm Co and 1,740.7 ppm Zn\) #### 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 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 **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 **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 7.1 years before this release ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-1) Knife Lake Copper Project · silver Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: silver - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:d40893e90305b778c344 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: indicated - Tonnes: 3800000 - Grade: 3.7 - Grade Unit: g/t - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Silver grade in the historical indicated resource. Evidence · text > 3.7 g/t Ag #### 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 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 **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 **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 7.1 years before this release ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-2) Knife Lake Copper Project · gold Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: gold - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:d40893e90305b778c344 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: indicated - Tonnes: 3800000 - Grade: 0.097 - Grade Unit: g/t - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Gold grade in the historical indicated resource. Evidence · text > 0.097 g/t Au #### 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 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 **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 **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 7.1 years before this release ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-3) Knife Lake Copper Project · cobalt Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: cobalt - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:d40893e90305b778c344 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: indicated - Tonnes: 3800000 - Grade: 82 - Grade Unit: ppm - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Cobalt grade in the historical indicated resource. Evidence · text > 82 ppm Co #### 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 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 **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 **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 7.1 years before this release ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-4) Knife Lake Copper Project · zinc Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: zinc - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:d40893e90305b778c344 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: indicated - Tonnes: 3800000 - Grade: 1740.7 - Grade Unit: ppm - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Zinc grade in the historical indicated resource. Evidence · text > 1,740.7 ppm Zn #### 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 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 **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 **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 7.1 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-5) Knife Lake Copper Project · copper Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: copper - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:22cb813cf2ecaf3eb847 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: inferred - Tonnes: 7900000 - Grade: 0.53 - Grade Unit: % - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 0.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Copper grade in the historical inferred resource. Evidence · text > Inferred Mineral Resource of 7.9 million tonnes at 0.67% CuEq \(0.53% Cu, 2.4 g/t Ag, 0.084 g/t Au, 53.1 ppm Co and 1,454.9 ppm Zn\) #### 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 **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 **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 7.1 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-6) Knife Lake Copper Project · silver Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: silver - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:22cb813cf2ecaf3eb847 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: inferred - Tonnes: 7900000 - Grade: 2.4 - Grade Unit: g/t - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 0.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Silver grade in the historical inferred resource. Evidence · text > 2.4 g/t Ag #### 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 **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 **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 7.1 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-7) Knife Lake Copper Project · gold Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: gold - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:22cb813cf2ecaf3eb847 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: inferred - Tonnes: 7900000 - Grade: 0.084 - Grade Unit: g/t - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 0.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Gold grade in the historical inferred resource. Evidence · text > 0.084 g/t Au #### 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 **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 **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 7.1 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-8) Knife Lake Copper Project · cobalt Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: cobalt - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:22cb813cf2ecaf3eb847 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: inferred - Tonnes: 7900000 - Grade: 53.1 - Grade Unit: ppm - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 0.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Cobalt grade in the historical inferred resource. Evidence · text > 53.1 ppm Co #### 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 **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 **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 7.1 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/trident-unlocks-value-from-non-core-knife-lake-copper-project-through-option-agr--281aef86-a9f5-44df-8a0b-369b555c782e#fact-resource-facts-9) Knife Lake Copper Project · zinc Historical result Needs review: historical\_restatement #### Identity - Project: Knife Lake Copper Project - Commodity: zinc - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ROCK #### Resource scope - Estimate type: resource - Effective date: 2019-06-12T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:22cb813cf2ecaf3eb847 - Deposit or zone: Knife Lake Deposit - Mining method: open\_pit - Material type: unknown #### Resource Data - Category: inferred - Tonnes: 7900000 - Grade: 1454.9 - Grade Unit: ppm - Cutoff Grade: 0.4 - Cutoff Unit: % CuEq #### Prior Estimate - Resource Date: 2019-06-12 #### Metal Equivalent - Metal Eq. Grade: 0.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2019-06-12T00:00:00.000Z #### Dates - Event date: 2026-07-14T00:00:00.000Z Reasoning: Zinc grade in the historical inferred resource. Evidence · text > 1,454.9 ppm Zn #### 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 **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 **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 7.1 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.