# Algo Grande Identifies Additional Skarn Mineralization 3km South of Cerro Grande, With Samples Above 3% Copper and Confirms Copper in Multiple Targets on the Property Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0 Original source: https://money.tmx.com/en/quote/ALGR/news/4890298309080976/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande Publisher: tmx Original announcement: 2026-03-11T11:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Algo Grande Copper Corp. - Ticker: ALGR - Exchange: TSX - Region: Sonora, Mexico - Primary commodity: Copper - Secondary commodities: Gold, Silver - Document categories: Drill results, Other - Extracted: 2026-09-13 11:12:03 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Algo Grande has identified a new skarn zone at the Potrero South target, 3km south of the Cerro Grande discovery, with surface samples exceeding 3% Cu. The company also confirmed mineralization at several other targets, including a new machine-learning-identified target \(La Molina\), while Phase I drill assays remain pending. Reasoning: The release reports significant new skarn mineralization discovery and high-grade surface intercepts, expanding the project's footprint and confirming multiple targets. - Positive factor: Discovery of new skarn zone at Potrero South - Positive factor: High-grade surface samples \(41.4% Cu\) - Positive factor: Confirmation of mineralization on both limbs of the anticline - Positive factor: Machine learning target \(La Molina\) confirmed - Positive factor: QA/QC protocols and certified lab \(ALS\) disclosed - Negative factor: Surface grab samples are selective and may not be representative - Negative factor: Assays for Phase I drill program are still pending Facts used in scoring: 7 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Discovery of a new skarn zone at Potrero South, 3km south of Cerro Grande. Evidence · text > led to the discovery of a new skarn zone at Potrero South target, located approximately 3 km south of the Cerro Grande central discovery **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: Release mentions certified lab \(ALS\), standards, blanks, and duplicates. Evidence · text > The Company maintains a QA/QC program that includes the insertion of certified reference materials, blanks, and duplicates at regular intervals. ## Extracted facts Stored fact records: 7. Some facts used in scoring do not have a stored record. ## Drill Results (7) ### AG\_GC\_002 [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-0) Adelita · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: AG\_GC\_002 - Project: Adelita - Commodity: copper - Region: mexico - Reported Region: mexico - Ticker: ALGR #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 36 m - From: 0 m - To: 36 m - Hole Depth: 390 m - Intercept Depth: 0 m #### Classification - Sample Type: drill - Group ID: AG\_GC\_002:0-36 #### QA/QC - Laboratory: ALS Hermosillo Limited - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-02-05T00:00:00.000Z #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: This is a restatement of results previously reported on February 5, 2026. - Positive factor: Confirms high-grade skarn horizons #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ### Las Trancas \(trench\) [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-1) Adelita Project · copper Needs review: ungrounded #### Identity - Hole ID: Las Trancas \(trench\) - Project: Adelita Project - Commodity: copper - Region: mexico - Reported Region: Sonora, Mexico - Ticker: ALGR #### Geometry - Grade: 41.4 - Grade Unit: % #### Classification - Sample Type: channel #### QA/QC - Laboratory: ALS Geochemistry Hermosillo Laboratory - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: ungrounded - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: Outstanding copper grade from a historical trench/stockpile sample. - Positive factor: Extremely high grade intercept - Negative factor: Selective rock sample from an old stockpile #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ### Las Trancas \(trench\) [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-2) Adelita Project · gold Needs review: ungrounded #### Identity - Hole ID: Las Trancas \(trench\) - Project: Adelita Project - Commodity: gold - Region: mexico - Reported Region: Sonora, Mexico - Ticker: ALGR #### Geometry - Grade: 13.45 - Grade Unit: g/t #### Classification - Sample Type: channel #### QA/QC - Laboratory: ALS Geochemistry Hermosillo Laboratory - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: ungrounded - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: High grade gold from a historical trench/stockpile sample. - Positive factor: High grade gold #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ### Las Trancas \(trench\) [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-3) Adelita Project · silver Needs review: ungrounded #### Identity - Hole ID: Las Trancas \(trench\) - Project: Adelita Project - Commodity: silver - Region: mexico - Reported Region: Sonora, Mexico - Ticker: ALGR #### Geometry - Grade: 1570 - Grade Unit: g/t #### Classification - Sample Type: channel #### QA/QC - Laboratory: ALS Geochemistry Hermosillo Laboratory - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: ungrounded - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: High grade silver from a historical trench/stockpile sample. - Positive factor: High grade silver #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ### Potrero South [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-4) Adelita Project · copper #### Identity - Hole ID: Potrero South - Project: Adelita Project - Commodity: copper - Region: mexico - Reported Region: Sonora, Mexico - Ticker: ALGR #### Geometry - Grade: 3.06 - Grade Unit: % #### Classification - Sample Type: surface #### QA/QC - Laboratory: ALS Geochemistry Hermosillo Laboratory - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: High grade copper from surface prospecting in a new skarn zone. - Positive factor: New skarn zone discovery - Negative factor: Grab samples are selective #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ### Potrero South [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-5) Adelita Project · gold #### Identity - Hole ID: Potrero South - Project: Adelita Project - Commodity: gold - Region: mexico - Reported Region: Sonora, Mexico - Ticker: ALGR #### Geometry - Grade: 3.72 - Grade Unit: g/t #### Classification - Sample Type: surface #### QA/QC - Laboratory: ALS Geochemistry Hermosillo Laboratory - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: Gold grade from surface prospecting in a new skarn zone. - Positive factor: Gold presence in new skarn #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ### Potrero South [Link to this fact](https://atlas-extractions.minestarters.com/news/algo-grande-identifies-additional-skarn-mineralization-3km-south-of-cerro-grande--97e45eca-813e-4891-ae2d-41d6fb539fb0#fact-drill-facts-6) Adelita Project · silver #### Identity - Hole ID: Potrero South - Project: Adelita Project - Commodity: silver - Region: mexico - Reported Region: Sonora, Mexico - Ticker: ALGR #### Geometry - Grade: 232 - Grade Unit: g/t #### Classification - Sample Type: surface #### QA/QC - Laboratory: ALS Geochemistry Hermosillo Laboratory - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-03-11T00:00:00.000Z Reasoning: Silver grade from surface prospecting in a new skarn zone. - Positive factor: Silver presence in new skarn #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The campaign confirmed copper-gold-silver mineralization across multiple target areas, including Potrero South, Las Tran" ## 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.