Algo Grande Copper Confirms 68.43 Metres of Copper-Silver-Gold Mineralization Across Two Zones in Hole AG-CG-PH2-002, Including a New Zone of 38.20 Metres at 1.0% CuEq

Original announcement by orestocks on

Company
Algo Grande Copper Corp.
Ticker
ALGR.V
Exchange
Unavailable
Region
Sonora, Mexico
Primary commodity
Copper
Secondary commodities
Silver, Gold, Zinc, Molybdenum
Document categories
Drill results, Other
Extracted
2026-09-23 07:48:22 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Algo Grande Copper has confirmed a second high-grade copper-silver-gold skarn zone in hole AG-CG-PH2-002, extending the mineralized interval to 282 metres. The new lower zone returned 38.20 metres at 1.0% CuEq, confirming a multi-horizon skarn system at the Adelita Project.

Reasoning: The release confirms a second high-grade skarn zone in hole AG-CG-PH2-002, extending the vertical continuity of the Cerro Grande system and providing significant new mineralization.

Positive factors

  • Step-Out Extension
  • Vertical continuity confirmed
  • New high-grade zone discovered
  • QA/QC Disclosed

Negative factors

  • Deleterious Elements Present

Facts used in scoring: 6

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The new lower zone extends high-grade mineralization to 282 metres downhole, confirming vertical continuity.

Evidence · text

“extending high-grade mineralization to 282 metres downhole”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release details ALS Laboratories, use of certified reference materials, blanks, and duplicates.

Evidence · text

“ALS Laboratories employs internal quality control procedures including the routine insertion of certified reference materials, blanks, and duplicates”

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: Locally anomalous zinc (up to 0.48%) was noted within the high-grade interval.

Evidence · text

“The lower zone also returned locally anomalous zinc, up to 0.48% Zn”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

AG-CG-PH2-002Adelita · copperGrade: 1.5Grade Unit: %Intercept: 30.23 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
AG-CG-PH2-002
Project
Adelita
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
ALGR.V

Geometry

Grade
1.5
Grade Unit
%
Intercept
30.23 m
From
146.7 m
To
176.93 m
Hole Depth
661.8 m
Intercept Depth
146.7 m

Classification

Deposit Type
skarn
Program
resource
Sample Type
drill
Group ID
AG-CG-PH2-002:146.7-176.93
Mining Method
unknown

Location

Location
Cerro Grande
Easting
738897
Northing
2961802
CRS
UTM WGS84 Zone 12N
Elevation
582 m
Azimuth
112.9 °
Dip
-80 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
ALS Laboratories
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
Yes
Deleterious Elements
zinc

Metal Equivalent

Metal Eq. Grade
1.5
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-09-11T00:00:00.000Z

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: Previously reported upper zone interval.

Evidence · text

“Upper zone (previously reported): 30.23 metres grading 1.5% CuEq from 146.70 metres”

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

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

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: "With 68.43 metres of combined high-grade mineralization now confirmed across two zones, and the system still open along "

AG-CG-PH2-002Adelita · copperGrade: 9.4Grade Unit: %Intercept: 3.55 mHistorical resultNeeds review: historical_restatementView all details
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Identity

Hole ID
AG-CG-PH2-002
Project
Adelita
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
ALGR.V

Geometry

Grade
9.4
Grade Unit
%
Intercept
3.55 m
From
146.7 m
To
176.93 m
Hole Depth
661.8 m
Intercept Depth
146.7 m

Classification

Deposit Type
skarn
Program
resource
Sample Type
drill
Group ID
AG-CG-PH2-002:146.7-176.93
Mining Method
unknown

Location

Location
Cerro Grande
Easting
738897
Northing
2961802
CRS
UTM WGS84 Zone 12N
Elevation
582 m
Azimuth
112.9 °
Dip
-80 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
ALS Laboratories
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
Yes
Deleterious Elements
zinc

Metal Equivalent

Metal Eq. Grade
9.4
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-09-11T00:00:00.000Z

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: High grade sub-interval in previously reported zone.

Evidence · text

“including 3.55 metres at 9.4% CuEq”

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

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

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: "With 68.43 metres of combined high-grade mineralization now confirmed across two zones, and the system still open along "

AG-CG-PH2-002Adelita · copperGrade: 15.8Grade Unit: %Intercept: 1.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
AG-CG-PH2-002
Project
Adelita
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
ALGR.V

Geometry

Grade
15.8
Grade Unit
%
Intercept
1.2 m
From
146.7 m
To
176.93 m
Hole Depth
661.8 m
Intercept Depth
146.7 m

Classification

Deposit Type
skarn
Program
resource
Sample Type
drill
Group ID
AG-CG-PH2-002:146.7-176.93
Mining Method
unknown

Location

Location
Cerro Grande
Easting
738897
Northing
2961802
CRS
UTM WGS84 Zone 12N
Elevation
582 m
Azimuth
112.9 °
Dip
-80 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
ALS Laboratories
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
Yes
Deleterious Elements
zinc

Metal Equivalent

Metal Eq. Grade
15.8
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-09-11T00:00:00.000Z

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: Very high grade sub-interval in previously reported zone.

Evidence · text

“a 1.20-metre interval at 15.8% CuEq”

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

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

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: "With 68.43 metres of combined high-grade mineralization now confirmed across two zones, and the system still open along "

AG-CG-PH2-002Adelita · copperGrade: 1Grade Unit: %Intercept: 38.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
AG-CG-PH2-002
Project
Adelita
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
ALGR.V

Geometry

Grade
1
Grade Unit
%
Intercept
38.2 m
From
243.8 m
To
282 m
Hole Depth
661.8 m
Intercept Depth
243.8 m

Classification

Deposit Type
skarn
Program
exploration
Sample Type
drill
Group ID
AG-CG-PH2-002:243.8-282
Mining Method
unknown

Location

Location
Cerro Grande
Easting
738897
Northing
2961802
CRS
UTM WGS84 Zone 12N
Elevation
582 m
Azimuth
112.9 °
Dip
-80 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
ALS Laboratories
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
Yes
Deleterious Elements
zinc

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: New high-grade zone confirming vertical continuity of the skarn system.

Positive factors

  • Step-Out Extension

Negative factors

  • Deleterious Elements Present

Evidence · text

“Newly reported lower zone: 38.20 metres grading 1.0% CuEq from 243.80 metres”

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

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

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: "With 68.43 metres of combined high-grade mineralization now confirmed across two zones, and the system still open along "

AG-CG-PH2-002Adelita · copperGrade: 4.5Grade Unit: %Intercept: 1.7 mView all details
Link to this fact

Identity

Hole ID
AG-CG-PH2-002
Project
Adelita
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
ALGR.V

Geometry

Grade
4.5
Grade Unit
%
Intercept
1.7 m
From
244.3 m
To
246 m
Hole Depth
661.8 m
Intercept Depth
244.3 m

Classification

Deposit Type
skarn
Program
exploration
Sample Type
drill
Group ID
AG-CG-PH2-002:244.3-246
Mining Method
unknown

Location

Location
Cerro Grande
Easting
738897
Northing
2961802
CRS
UTM WGS84 Zone 12N
Elevation
582 m
Azimuth
112.9 °
Dip
-80 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
ALS Laboratories
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
Yes
Deleterious Elements
zinc

Metal Equivalent

Metal Eq. Grade
4.5
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: High grade sub-interval in new zone.

Evidence · text

“including 1.70 metres at 4.5% CuEq”

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

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

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: "With 68.43 metres of combined high-grade mineralization now confirmed across two zones, and the system still open along "

AG-CG-PH2-002Adelita · copperGrade: 2Grade Unit: %Intercept: 11.5 mView all details
Link to this fact

Identity

Hole ID
AG-CG-PH2-002
Project
Adelita
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
ALGR.V

Geometry

Grade
2
Grade Unit
%
Intercept
11.5 m
From
268 m
To
279.5 m
Hole Depth
661.8 m
Intercept Depth
268 m

Classification

Deposit Type
skarn
Program
exploration
Sample Type
drill
Group ID
AG-CG-PH2-002:268-279.5
Mining Method
unknown

Location

Location
Cerro Grande
Easting
738897
Northing
2961802
CRS
UTM WGS84 Zone 12N
Elevation
582 m
Azimuth
112.9 °
Dip
-80 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
ALS Laboratories
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
Yes
Deleterious Elements
zinc

Metal Equivalent

Metal Eq. Grade
2
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: High grade core in new zone.

Evidence · text

“and 11.50 metres at 2.0% CuEq”

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

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

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: "With 68.43 metres of combined high-grade mineralization now confirmed across two zones, and the system still open along "

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.