Copper Fox Extends Mineralized Envelope at Van Dyke ISCR Project
Original announcement by tmx on
- Company
- Copper Fox Metals Inc.
- Ticker
- CUU
- Exchange
- TSX
- Region
- Arizona
- Primary commodity
- Copper
- Secondary commodities
- None reported
- Document categories
- Drill results, Other
- Extracted
- 2026-08-23 06:33:19 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Copper Fox Metals has reported analytical results from historical diamond drilling at the Van Dyke ISCR project in Arizona. The results, specifically in hole OXY-42, extend the total soluble copper (TSCu) mineralized envelope and better define the boundary between transitional and sulphide domains.
Reasoning: The results extend the known TSCu envelope in hole OXY-42 and include strong sub-intervals, though the data is a re-analysis of historical drill core.
Positive factors
- extension of mineralized envelope
- high-grade sub-intervals
Negative factors
- historical data re-release
- apparent width only
Facts used in scoring: 10
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The 2026 sampling in OXY-42 extended the TSCu mineralization from 336.19m to 436.78m.
Evidence · text
“extended the TSCu mineralization from 336.19m to 436.78m”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions use of certified reference standards, blanks, and an ISO/IEC 17025 accredited laboratory.
Evidence · text
“18 certified reference standards and 9 blanks”
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 states 'True thickness and widths of mineralization are currently unknown' and all holes are vertical.
Evidence · text
“True thickness and widths of mineralization are currently unknown”
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The results are from a 'previously reported historical diamond drill core sampling program'.
Evidence · text
“from the previously reported historical diamond drill core sampling program”
Extracted facts
Stored fact records: 10. Some facts used in scoring do not have a stored record.
Drill Results (10)
OXY-1Van Dyke · copperGrade: 0.076Grade Unit: %Intercept: 15.24 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-1
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.076
- Grade Unit
- %
- Intercept
- 15.24 m
- From
- 283.46 m
- To
- 298.7 m
Classification
- Sample Type
- drill
- Group ID
- OXY-1:283.46-298.7
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept reported as part of a re-sampling program.
Negative factors
- Stale Data Re-release
Evidence · table
“0.076”
Context: 15.24
OXY-1Van Dyke · copperGrade: 0.11Grade Unit: %Intercept: 15.24 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-1
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.11
- Grade Unit
- %
- Intercept
- 15.24 m
- From
- 425.2 m
- To
- 440.44 m
Classification
- Sample Type
- drill
- Group ID
- OXY-1:425.2-440.44
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept reported as part of a re-sampling program.
Negative factors
- Stale Data Re-release
Evidence · table
“0.110”
Context: 15.24
OXY-2Van Dyke · copperGrade: 1.041Grade Unit: %Intercept: 6.09 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-2
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 1.041
- Grade Unit
- %
- Intercept
- 6.09 m
- From
- 484.63 m
- To
- 490.73 m
Classification
- Sample Type
- drill
- Group ID
- OXY-2:484.63-490.73
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Strong copper grade in a historical hole.
Positive factors
- Strong grade
Negative factors
- Stale Data Re-release
Evidence · table
“1.041”
Context: 6.09
OXY-13Van Dyke · copperGrade: 0.237Grade Unit: %Intercept: 3.97 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-13
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.237
- Grade Unit
- %
- Intercept
- 3.97 m
- From
- 313.94 m
- To
- 317.91 m
Classification
- Sample Type
- drill
- Group ID
- OXY-13:313.94-317.91
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept.
Negative factors
- Stale Data Re-release
Evidence · table
“0.237”
Context: 3.97
OXY-18Van Dyke · copperGrade: 0.143Grade Unit: %Intercept: 15.24 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-18
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.143
- Grade Unit
- %
- Intercept
- 15.24 m
- From
- 629.11 m
- To
- 644.35 m
Classification
- Sample Type
- drill
- Group ID
- OXY-18:629.11-644.35
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept.
Negative factors
- Stale Data Re-release
Evidence · table
“0.143”
Context: 15.24
OXY-27Van Dyke · copperGrade: 0.162Grade Unit: %Intercept: 5.79 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-27
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.162
- Grade Unit
- %
- Intercept
- 5.79 m
- From
- 657.45 m
- To
- 663.24 m
Classification
- Sample Type
- drill
- Group ID
- OXY-27:657.45-663.24
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept.
Negative factors
- Stale Data Re-release
Evidence · table
“0.162”
Context: 5.79
OXY-29Van Dyke · copperGrade: 0.26Grade Unit: %Intercept: 4.57 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-29
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.26
- Grade Unit
- %
- Intercept
- 4.57 m
- From
- 437.39 m
- To
- 441.96 m
Classification
- Sample Type
- drill
- Group ID
- OXY-29:437.39-441.96
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept.
Negative factors
- Stale Data Re-release
Evidence · table
“0.260”
Context: 4.57
OXY-41Van Dyke · copperGrade: 0.13Grade Unit: %Intercept: 19.82 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-41
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.13
- Grade Unit
- %
- Intercept
- 19.82 m
- From
- 375.51 m
- To
- 395.33 m
Classification
- Sample Type
- drill
- Group ID
- OXY-41:375.51-395.33
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Historical intercept.
Negative factors
- Stale Data Re-release
Evidence · table
“0.130”
Context: 19.82
OXY-42Van Dyke · copperGrade: 0.25Grade Unit: %Intercept: 100.59 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-42
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.25
- Grade Unit
- %
- Intercept
- 100.59 m
- From
- 336.19 m
- To
- 436.78 m
Classification
- Sample Type
- drill
- Group ID
- OXY-42:336.19-436.78
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Large 100m intercept extending the mineralized envelope, though it is a re-analysis of historical core.
Positive factors
- Significant width
Negative factors
- Stale Data Re-release
- Apparent Width Only
Evidence · table
“0.250”
Context: 100.59
OXY-42Van Dyke · copperGrade: 0.481Grade Unit: %Intercept: 22.86 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OXY-42
- Project
- Van Dyke
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- CUU
Geometry
- Grade
- 0.481
- Grade Unit
- %
- Intercept
- 22.86 m
- From
- 337.72 m
- To
- 360.58 m
Classification
- Sample Type
- drill
- Group ID
- OXY-42:337.72-360.58
- Mining Method
- unknown
QA/QC
- Laboratory
- Skyline Assayers and Laboratories Inc.
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-04-30T00:00:00.000Z
Reasoning: Strong high-grade sub-interval within the larger OXY-42 intercept.
Positive factors
- High grade sub-interval
Negative factors
- Stale Data Re-release
Evidence · table
“0.481”
Context: 22.86
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.