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
Original announcement by tmx on
- 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
- 2026-08-21 01:19:15 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Algo Grande has identified a new skarn zone at the Potrero South target, 3km south of Cerro Grande, with surface samples exceeding 3% Cu. The company also confirmed mineralization at several other targets, including the La Molina target identified via machine learning, and reported high-grade surface samples at Las Trancas.
Reasoning: The announcement reports significant new skarn mineralization at Potrero South with high-grade surface samples and confirms multiple targets across the Adelita project, including machine-learning identified zones.
Positive factors
- discovery of new skarn zone at Potrero South
- high-grade surface samples exceeding 3% Cu
- confirmation of mineralization at machine learning targets
- expansion of Cerro Grande strike length
Negative factors
- surface grab samples are selective and may not be representative
Facts used in scoring: 8
Classification and evidence
Step-Out Extensionpositive
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 Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions ALS Hermosillo, ISO/IEC 17025 accreditation, and specific QA/QC protocols (blanks, standards, 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: 8. Some facts used in scoring do not have a stored record.
Drill Results (8)
AG_GC_002Adelita Project · copperGrade: 1Grade Unit: %Intercept: 36 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- AG_GC_002
- Project
- Adelita Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 1
- Grade Unit
- %
- Intercept
- 36 m
Classification
- Program
- resource
- Sample Type
- drill
- Mining Method
- unknown
QA/QC
- Laboratory
- ALS Hermosillo Limited
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
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 previously reported high-grade copper mineralization from the February 5 release.
Positive factors
- high-grade intercept
Evidence · text
“Intercepts from hole AG_GC_002... returned more than 70 metres of cumulative mineralization, including 36 metres grading above 1% Cu.”
Fact 2Adelita Project · copperGrade: 3.06Grade Unit: %View all detailsHide details
Identity
- Project
- Adelita Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 3.06
- Grade Unit
- %
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: High-grade copper sample from the new Potrero South skarn target.
Positive factors
- high grade
Negative factors
- grab samples are selective
Evidence · text
“maximum value of 3.06% Cu”
Fact 3Adelita Project · goldGrade: 3.72Grade Unit: g/tView all detailsHide details
Identity
- 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
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: High-grade gold sample from the new Potrero South skarn target.
Positive factors
- high grade
Negative factors
- grab samples are selective
Evidence · text
“3.72 g/t Au”
Fact 4Adelita Project · silverGrade: 232Grade Unit: g/tView all detailsHide details
Identity
- Project
- Adelita Project
- Commodity
- silver
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 232
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: High-grade silver sample from the new Potrero South skarn target.
Positive factors
- high grade
Negative factors
- grab samples are selective
Evidence · text
“232 g/t Ag”
Fact 5Adelita Project · copperGrade: 41.4Grade Unit: %View all detailsHide details
Identity
- Project
- Adelita Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 41.4
- Grade Unit
- %
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: Extremely high grade copper sample from the Las Trancas target.
Positive factors
- exceptional grade
Negative factors
- selective rock sample from an old stockpile
Evidence · text
“peak assays of 41.40% Cu”
Fact 6Adelita Project · goldGrade: 13.45Grade Unit: g/tView all detailsHide details
Identity
- Project
- Adelita Project
- Commodity
- gold
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 13.45
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: High grade gold sample from the Las Trancas target.
Positive factors
- high grade
Negative factors
- selective rock sample from an old stockpile
Evidence · text
“13.45 g/t Au”
Fact 7Adelita Project · silverGrade: 1570Grade Unit: g/tView all detailsHide details
Identity
- Project
- Adelita Project
- Commodity
- silver
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 1570
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: High grade silver sample from the Las Trancas target.
Positive factors
- high grade
Negative factors
- selective rock sample from an old stockpile
Evidence · text
“1570 g/t Ag”
Fact 8Adelita Project · copperGrade: 1.99Grade Unit: %View all detailsHide details
Identity
- Project
- Adelita Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Grade
- 1.99
- Grade Unit
- %
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-11T00:00:00.000Z
Reasoning: High grade copper sample from the new La Molina target.
Positive factors
- high grade
Evidence · text
“maximum assay value of 1.99 % Cu”
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.