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 08:48:17 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Algo Grande Copper confirmed a second high-grade copper-silver-gold skarn zone in hole AG-CG-PH2-002 at the Adelita Project, extending the mineralized interval to 282m downhole. The results demonstrate a multi-horizon skarn system and pinpoint the base of the host limestone-skarn package at 364m.

Reasoning: The results confirm a multi-horizon skarn system with significant vertical extension and high-grade intercepts, de-risking the geological model of the Cerro Grande discovery.

Positive factors

  • Confirmation of a second high-grade skarn zone extending vertical continuity
  • Discovery of the base of the limestone-skarn package, increasing interpreted thickness
  • High-grade CuEq intercepts in both upper and lower zones
  • QA/QC protocols and independent lab (ALS) clearly disclosed

Negative factors

  • True widths not yet determined (apparent widths only)
  • Metallurgical recoveries not yet established

Facts used in scoring: 1

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The lower zone extends high-grade mineralization to 282m downhole, confirming vertical continuity below the previously reported upper zone.

Evidence · text

“extending high-grade mineralization to 282 metres downhole and roughly 67 metres below the base of the upper zone”

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 release explicitly states that reported intervals are downhole lengths and true widths have not yet been determined.

Evidence · text

“Reported intervals are drill-indicated (downhole) lengths; true widths have not yet been determined.”

QA/QC Disclosedpositive

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

Why it applies: The release details ALS laboratory methods, 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”

Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

Drill Results (1)

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
Intercept Depth
243.8 m

Classification

Sample Type
drill
Group ID
AG-CG-PH2-002:243.8-282

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

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

Dates

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

Reasoning: Newly reported lower zone confirming vertical continuity.

Positive factors

  • New high-grade zone
  • Significant width

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

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.