Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remains Mineralized at Depth
Original announcement by tmx on
- Company
- Algo Grande Copper Corp.
- Ticker
- ALGR
- Exchange
- TSX
- Region
- Sonora, Mexico
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum
- Document categories
- Drill results
- Extracted
- 2026-09-13 10:27:50 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Algo Grande provided a Phase II drill update for the Adelita Project, reporting expanded copper mineralization in Hole 2 and an extensive new interval in Hole 3. While visual logging shows significant copper sulfide presence and vertical continuity, assay results are still pending from ALS laboratory.
Reasoning: The update reports significant visual expansion of copper zones and vertical continuity, though the lack of assays means economic grade is unconfirmed.
Positive factors
- expanded copper footprint in Hole 2
- vertical continuity demonstrated by Hole 3 step-out
- extensive mineralization width in Hole 3
Negative factors
- no assay results received yet
- true widths not determined
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 6
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Hole 3 steps out 105m vertically above previous Phase I mineralization.
Evidence · text
“steps out approximately 105 metres vertically above mineralization intercepted in hole AG_GC_002”
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: No assay results or QA/QC protocols for Hole 3 are provided in this update.
Evidence · text
“no assay results have been received for Hole AG_CG_PH2_003”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
AG_CG_PH2_002Adelita · copperIntercept: 19.8 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_002
- Project
- Adelita
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Intercept
- 19.8 m
- From
- 146.7 m
- To
- 166.5 m
- Hole Depth
- 424.22 m
- Intercept Depth
- 146.7 m
Classification
- Deposit Type
- skarn
- Program
- mixed
- Sample Type
- drill
- Group ID
- AG_CG_PH2_002:146.7-166.5
- Mining Method
- unknown
Location
- Location
- Cerro Grande
- Easting
- 738897
- Northing
- 2961802
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 582 m
- Azimuth
- 110 °
- Dip
- 80 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-11T00:00:00.000Z
Reasoning: Visual intercept in massive skarn; grade unconfirmed.
Positive factors
- massive brown garnet-dominant skarn
Negative factors
- assays pending
Evidence · text
“19.80 metres from 146.70 to 166.50 metres”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remain"
AG_CG_PH2_002Adelita · copperIntercept: 8.57 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_002
- Project
- Adelita
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Intercept
- 8.57 m
- From
- 168.36 m
- To
- 176.93 m
- Hole Depth
- 424.22 m
- Intercept Depth
- 146.7 m
Classification
- Deposit Type
- skarn
- Program
- mixed
- Sample Type
- drill
- Group ID
- AG_CG_PH2_002:168.36-176.93
- Mining Method
- unknown
Location
- Location
- Cerro Grande
- Easting
- 738897
- Northing
- 2961802
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 582 m
- Azimuth
- 110 °
- Dip
- 80 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-07-28T00:00:00.000Z
Dates
- Event date
- 2026-08-11T00:00:00.000Z
Reasoning: Visual intercept; grade unconfirmed.
Negative factors
- assays pending
Evidence · text
“8.57 metres from 168.36 to 176.93 metres”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remain"
AG_CG_PH2_002Adelita · copperIntercept: 19.22 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_002
- Project
- Adelita
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Intercept
- 19.22 m
- From
- 260.25 m
- To
- 279.47 m
- Hole Depth
- 424.22 m
- Intercept Depth
- 192.9 m
Classification
- Deposit Type
- skarn
- Program
- mixed
- Sample Type
- drill
- Group ID
- AG_CG_PH2_002:260.25-279.47
- Mining Method
- unknown
Location
- Location
- Cerro Grande
- Easting
- 738897
- Northing
- 2961802
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 582 m
- Azimuth
- 110 °
- Dip
- 80 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-11T00:00:00.000Z
Reasoning: Significant visual interval in retrograde exoskarn.
Positive factors
- substantial single interval logged
Negative factors
- assays pending
Evidence · text
“19.22 metres from 260.25 to 279.47 metres”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remain"
AG_CG_PH2_002Adelita · molybdenumIntercept: 3.06 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_002
- Project
- Adelita
- Commodity
- molybdenum
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Intercept
- 3.06 m
- From
- 248.24 m
- To
- 251.3 m
- Hole Depth
- 424.22 m
- Intercept Depth
- 192.9 m
Classification
- Deposit Type
- skarn
- Program
- mixed
- Sample Type
- drill
- Group ID
- AG_CG_PH2_002:248.24-251.3
- Mining Method
- unknown
Location
- Location
- Cerro Grande
- Easting
- 738897
- Northing
- 2961802
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 582 m
- Azimuth
- 110 °
- Dip
- 80 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-11T00:00:00.000Z
Reasoning: Intermittent molybdenite noted visually.
Negative factors
- assays pending
Evidence · text
“3.06-metre interval from 248.24 to 251.30 metres”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remain"
AG_CG_PH2_003Adelita · copperIntercept: 14.86 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_003
- Project
- Adelita
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Intercept
- 14.86 m
- From
- 165.74 m
- To
- 207.77 m
- Hole Depth
- 239.65 m
- Intercept Depth
- 165.74 m
Classification
- Deposit Type
- skarn
- Program
- mixed
- Sample Type
- drill
- Group ID
- AG_CG_PH2_003:165.74-207.77
- Mining Method
- unknown
Location
- Location
- Cerro Grande
- Easting
- 738994
- Northing
- 2961792
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 490 m
- Azimuth
- 250 °
- Dip
- -55 °
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- low_confidence
- Historical
- No
Dates
- Event date
- 2026-08-11T00:00:00.000Z
Reasoning: New extensive interval in upper zone; grade unconfirmed.
Positive factors
- garnet-dominant skarn with strong prograde alteration
Negative factors
- no assay results received
- true widths not determined
Evidence · text
“14.86 metres of visually observed copper-bearing core”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remain"
AG_CG_PH2_003Adelita · copperIntercept: 22.56 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_003
- Project
- Adelita
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- ALGR
Geometry
- Intercept
- 22.56 m
- From
- 207.77 m
- To
- 239.65 m
- Hole Depth
- 239.65 m
- Intercept Depth
- 165.74 m
Classification
- Deposit Type
- skarn
- Program
- mixed
- Sample Type
- drill
- Group ID
- AG_CG_PH2_003:207.77-239.65
- Mining Method
- unknown
Location
- Location
- Cerro Grande
- Easting
- 738994
- Northing
- 2961792
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 490 m
- Azimuth
- 250 °
- Dip
- -55 °
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- low_confidence
- Historical
- No
Dates
- Event date
- 2026-08-11T00:00:00.000Z
Reasoning: Extensive lower zone interval; grade unconfirmed.
Positive factors
- predominantly retrograde exoskarn
Negative factors
- no assay results received
- true widths not determined
Evidence · text
“22.56 metres of visually observed copper-bearing core”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Algo Grande Provides Phase II Drill Update; Hole 2 Copper Zone Doubles as Hole 3 Delivers Extensive New Interval, Remain"
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.