Algo Grande Provides Phase II Drill Update at Adelita; Copper Intersected in Skarn and Andesitic Porphyry at Cerro Grande
Original announcement by tmx on
- Company
- Algo Grande Copper Corp.
- Ticker
- ALGR
- Exchange
- TSX
- Region
- Sonora, Mexico
- Primary commodity
- Copper
- Secondary commodities
- Silver, Gold
- Document categories
- Drill results
- Extracted
- 2026-08-20 22:21:47 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Algo Grande reported visual copper mineralization in Hole AG_CG_PH2_002 at the Adelita Project, intersecting both garnet-dominant skarn and andesitic porphyry. The mineralization was encountered over 100 metres above the expected depth, and a second drill rig has been mobilized to accelerate the Phase II program.
Reasoning: The company reported visual copper mineralization in both skarn and porphyry at depths much shallower than predicted, though formal assay grades are not yet available.
Positive factors
- Intersection of copper mineralization significantly shallower than expected
- Discovery of andesitic porphyry hosting chalcopyrite
- Presence of high-temperature prograde garnet skarn suggesting proximal system location
- Mobilization of second drill rig to accelerate program
Negative factors
- Assay results are still pending
Facts used in scoring: 3
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: The release names a Qualified Person (João Rocha) who reviewed and approved the technical information.
Evidence · text
“reviewed and approved by João Rocha, EurGeol, Vice President of Exploration of Algo Grande Copper Corp., a Qualified Person”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Drill Results (3)
AG_CG_PH2_002Adelita Project · copperIntercept: 19.8 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_002
- Project
- Adelita Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Intercept
- 19.8 m
- From
- 146.7 m
- To
- 166.5 m
Classification
- Sample Type
- drill
- Group ID
- AG_CG_PH2_002:146.7-166.5
- Mining Method
- unknown
Location
- Azimuth
- 110 °
- Dip
- 80 °
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-28T00:00:00.000Z
Reasoning: Visual copper mineralization in a high-temperature skarn, encountered significantly shallower than planned.
Positive factors
- Mineralization encountered 100m above expected depth
- Massive brown garnet-dominant skarn
Negative factors
- Assays pending
Evidence · text
“19.80 metres of copper mineralization from 146.70 to 166.50 metres, comprising massive brown garnet-dominant skarn”
AG_CG_PH2_002Adelita Project · copperIntercept: 8.57 mView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_002
- Project
- Adelita Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Intercept
- 8.57 m
- From
- 168.36 m
- To
- 176.93 m
Classification
- Sample Type
- drill
- Group ID
- AG_CG_PH2_002:168.36-176.93
- Mining Method
- unknown
Location
- Azimuth
- 110 °
- Dip
- 80 °
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-28T00:00:00.000Z
Reasoning: Visual copper mineralization in a second interval within the same hole.
Positive factors
- Second mineralized interval in the same hole
Negative factors
- Assays pending
Evidence · text
“second 8.57-metre interval from 168.36 to 176.93 metres”
AG_CG_PH2_001Adelita ProjectView all detailsHide details
Identity
- Hole ID
- AG_CG_PH2_001
- Project
- Adelita Project
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- ALGR
Geometry
- Hole Depth
- 550 m
Location
- Easting
- 739090
- Northing
- 2962006
- CRS
- WGS84, UTM Zone 12N
- Elevation
- 453 m
- Azimuth
- 240 °
- Dip
- -45 °
- Loc. Confidence
- high
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-28T00:00:00.000Z
Reasoning: Collar information for a completed hole.
Evidence · text
“739,090 mE / 2,962,006 mN (WGS84, UTM Zone 12N), elevation 453 metres (azimuth 240°, dip -45°)”
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.