Algo Grande Reports Results from Completed Phase I Drill Program at Cerro Grande Skarn
Original announcement by tmx on
- Company
- Algo Grande Copper Corp.
- Ticker
- ALGR
- Exchange
- TSX
- Region
- Sonora, Mexico
- Primary commodity
- Copper
- Secondary commodities
- Silver, Gold, Molybdenum
- Document categories
- Drill results
- Extracted
- 2026-09-13 11:06:24 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Algo Grande completed its Phase I drill program at the Cerro Grande Skarn, confirming a high-grade, multi-horizon copper-silver-gold system. Notable intercepts include 18.2 m @ 1.8% CuEq, with molybdenum values providing a geochemical vector toward a potential porphyry source at depth.
Reasoning: Phase I drilling confirmed a vertically extensive, multi-horizon skarn system with high-grade copper-gold-silver intercepts and molybdenum zonation suggesting a deeper porphyry source.
Positive factors
- Strong high-grade intercepts (1.8% CuEq)
- Discovery of new skarn horizons
- Geochemical vectors (Mo) for porphyry source
- Expansion beyond historical limits
- High core recovery (>95%)
Negative factors
- Apparent width only (true width unknown)
- Drilling deviation noted in AG_GC_003
Facts used in scoring: 6
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions insertion of blanks, standards, and duplicates and use of a certified analytical laboratory.
Evidence · text
“Quality assurance and quality control procedures included the insertion of blanks, standards, and duplicates at regular intervals.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document explicitly states that intervals reported are downhole lengths and true widths are unknown.
Evidence · text
“Intervals reported are downhole lengths; true widths are unknown.”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Results confirm mineralization extends beyond the limits of earlier drilling.
Evidence · text
“results from this program confirm that mineralization extends beyond the limits of earlier drilling”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
AG_GC_003Cerro Grande Skarn · copperGrade: 1.2Grade Unit: %Intercept: 18.2 mView all detailsHide details
Identity
- Hole ID
- AG_GC_003
- Project
- Cerro Grande Skarn
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Grade
- 1.2
- Grade Unit
- %
- Intercept
- 18.2 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- AG_GC_003:unknown-unknown
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.8
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-02T00:00:00.000Z
Reasoning: 18.2 m @ 1.2% Cu is a strong intercept for a skarn system.
Positive factors
- Strong grade for skarn system
Negative factors
- True width not disclosed
Evidence · text
“18.2 m @ 1.8% CuEq (1.2% Cu, 28.2 g/t Ag, 0.7 g/t Au)”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
AG_GC_003Cerro Grande Skarn · silverGrade: 28.2Grade Unit: g/tIntercept: 18.2 mView all detailsHide details
Identity
- Hole ID
- AG_GC_003
- Project
- Cerro Grande Skarn
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Grade
- 28.2
- Grade Unit
- g/t
- Intercept
- 18.2 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- AG_GC_003:unknown-unknown
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-02T00:00:00.000Z
Reasoning: Silver credit in a copper-gold skarn intercept.
Evidence · text
“28.2 g/t Ag”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
AG_GC_003Cerro Grande Skarn · goldGrade: 0.7Grade Unit: g/tIntercept: 18.2 mView all detailsHide details
Identity
- Hole ID
- AG_GC_003
- Project
- Cerro Grande Skarn
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Grade
- 0.7
- Grade Unit
- g/t
- Intercept
- 18.2 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- AG_GC_003:unknown-unknown
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-02T00:00:00.000Z
Reasoning: Gold credit in a copper-silver skarn intercept.
Evidence · text
“0.7 g/t Au”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
AG_GC_003Cerro Grande Skarn · copperGrade: 2.4Grade Unit: %Intercept: 3.5 mView all detailsHide details
Identity
- Hole ID
- AG_GC_003
- Project
- Cerro Grande Skarn
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Grade
- 2.4
- Grade Unit
- %
- Intercept
- 3.5 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- AG_GC_003:unknown-unknown
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 3.9
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-02T00:00:00.000Z
Reasoning: 3.5 m @ 2.4% Cu is a very strong high-grade intercept.
Positive factors
- High grade sub-interval
Evidence · text
“3.5 m @ 3.9% CuEq (2.4% Cu, 61.1 g/t Ag, 1.8 g/t Au)”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
AG_GC_003Cerro Grande Skarn · silverGrade: 61.1Grade Unit: g/tIntercept: 3.5 mView all detailsHide details
Identity
- Hole ID
- AG_GC_003
- Project
- Cerro Grande Skarn
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Grade
- 61.1
- Grade Unit
- g/t
- Intercept
- 3.5 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- AG_GC_003:unknown-unknown
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-02T00:00:00.000Z
Reasoning: Silver credit in a high-grade sub-interval.
Evidence · text
“61.1 g/t Ag”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
AG_GC_003Cerro Grande Skarn · goldGrade: 1.8Grade Unit: g/tIntercept: 3.5 mView all detailsHide details
Identity
- Hole ID
- AG_GC_003
- Project
- Cerro Grande Skarn
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Grade
- 1.8
- Grade Unit
- g/t
- Intercept
- 3.5 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- AG_GC_003:unknown-unknown
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-02T00:00:00.000Z
Reasoning: Gold credit in a high-grade sub-interval.
Evidence · text
“1.8 g/t Au”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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.