Copper Fox Highlights Significant Porphyry Copper-Molybdenum Exploration Indicators at Sombrero Butte, Advancing Permitting Plans for Testing Porphyry Target
Original announcement by tmx on
- Company
- Copper Fox Metals Inc.
- Ticker
- CUU
- Exchange
- TSX
- Region
- Arizona, USA
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum, Gold, Silver
- Document categories
- Drill results, Permitting
- Extracted
- 2026-09-15 18:49:59 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Copper Fox Metals Inc. has released an updated exploration model for its 100% owned Sombrero Butte project in Arizona, USA, highlighting significant porphyry copper-molybdenum exploration indicators. The model integrates various datasets to define a large, near-surface porphyry target, supported by historical drill results from 2006-2008 which include high-grade copper intercepts. The company is now advancing permitting plans to drill test this target.
Reasoning: Copper Fox has integrated extensive geological and geophysical data to define a large porphyry copper-molybdenum target at Sombrero Butte, supported by strong historical drill results, and is now advancing permitting for future drill testing.
Positive factors
- Updated exploration model defines a large porphyry copper-molybdenum target.
- Advancing permitting for drill testing the high-quality target.
- Historical drill results show strong copper grades over significant lengths, supporting the model.
- Project located in a prolific Laramide-age copper province with proximity to known deposits.
Negative factors
- Drill results presented are historical (2006-2008), not new assays.
- True width of mineralized intervals is unknown.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 28
Classification and evidence
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 explicitly states that 'The intervals in the above table are based on drill core lengths and do not represent true thickness of the mineralized intervals. True thickness and widths are unknown.'
Evidence · text
“The intervals in the above table are based on drill core lengths and do not represent true thickness of the mineralized intervals. True thickness and widths are unknown.”
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The drill results presented are from '2006-2008 diamond drilling', making them historical data re-released in this announcement.
Evidence · text
“Selected weighted average grades from 2006-2008 diamond drilling at Sombrero Butte.”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release states that 'Both Bell Copper and Activation Laboratories employed various standards and blanks in their respective QA/QC programs.'
Evidence · text
“Both Bell Copper and Activation Laboratories employed various standards and blanks in their respective QA/QC programs.”
QP/CP Signedpositive · Story-specific tag
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: Elmer B. Stewart, President and CEO of Copper Fox, is named as the Qualified Person who reviewed and approved the scientific and technical information.
Evidence · text
“Elmer B. Stewart, MSc. P. Geol., President and CEO of Copper Fox, is the Company's non-independent, nominated Qualified Person pursuant to National Instrument 43-101, Standards for Disclosure for Mineral Projects, has reviewed and approved the scientific and technical information disclosed in this news release.”
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The document emphasizes the project's location 'at the intersection of two prolific Laramide-age porphyry copper belts in Arizona, approximately 9 kilometers (km) east of the former San Manuel/Kalamazoo porphyry copper mine and approximately 3km south of the Copper Creek porphyry copper deposit'.
Evidence · text
“Sombrero Butte is in a favorable geological setting at the intersection of two prolific Laramide-age porphyry copper belts in Arizona, approximately 9 kilometers (km) east of the former San Manuel/Kalamazoo porphyry copper mine and approximately 3km south of the Copper Creek porphyry copper deposit”
Extracted facts
Stored fact records: 28. Some facts used in scoring do not have a stored record.
Drill Results (28)
SB-02Sombrero Butte · copperGrade: 0.663Grade Unit: %Intercept: 88 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-02
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.663
- Grade Unit
- %
- Intercept
- 88 m
- From
- 280 m
- To
- 368 m
- Hole Depth
- 408.2 m
- Intercept Depth
- 280 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-02:280-368
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548841.1
- Northing
- 3621135.4
- Elevation
- 1299.3 m
- Azimuth
- 138 °
- Dip
- -82 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows strong copper grades over a significant length, supporting the updated porphyry exploration model.
Positive factors
- Strong copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“0.663”
Context: 88
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
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
SB-02Sombrero Butte · molybdenumGrade: 0.012Grade Unit: %Intercept: 88 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-02
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.012
- Grade Unit
- %
- Intercept
- 88 m
- From
- 280 m
- To
- 368 m
- Hole Depth
- 408.2 m
- Intercept Depth
- 280 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-02:280-368
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548841.1
- Northing
- 3621135.4
- Elevation
- 1299.3 m
- Azimuth
- 138 °
- Dip
- -82 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows low molybdenum grades, consistent with a porphyry system but not a significant economic contribution on its own.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.012”
Context: 88
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
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
SB-02Sombrero Butte · goldGrade: 0.009Grade Unit: g/tIntercept: 88 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-02
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.009
- Grade Unit
- g/t
- Intercept
- 88 m
- From
- 280 m
- To
- 368 m
- Hole Depth
- 408.2 m
- Intercept Depth
- 280 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-02:280-368
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548841.1
- Northing
- 3621135.4
- Elevation
- 1299.3 m
- Azimuth
- 138 °
- Dip
- -82 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low gold grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.009”
Context: 88
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
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
SB-02Sombrero Butte · silverGrade: 0.561Grade Unit: g/tIntercept: 88 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-02
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.561
- Grade Unit
- g/t
- Intercept
- 88 m
- From
- 280 m
- To
- 368 m
- Hole Depth
- 408.2 m
- Intercept Depth
- 280 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-02:280-368
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548841.1
- Northing
- 3621135.4
- Elevation
- 1299.3 m
- Azimuth
- 138 °
- Dip
- -82 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.561”
Context: 88
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
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
SB-03Sombrero Butte · copperGrade: 0.566Grade Unit: %Intercept: 62 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-03
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.566
- Grade Unit
- %
- Intercept
- 62 m
- From
- 430 m
- To
- 492 m
- Hole Depth
- 645.7 m
- Intercept Depth
- 430 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-03:430-492
- Mining Method
- open_pit
Location
- Location
- Campstool
- Easting
- 548843.9
- Northing
- 3621140
- Elevation
- 1299.5 m
- Azimuth
- 60 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows strong copper grades over a significant length, supporting the updated porphyry exploration model.
Positive factors
- Strong copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“0.566”
Context: 62
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
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
SB-03Sombrero Butte · molybdenumIntercept: 62 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-03
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Intercept
- 62 m
- From
- 430 m
- To
- 492 m
- Hole Depth
- 645.7 m
- Intercept Depth
- 430 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-03:430-492
- Mining Method
- open_pit
Location
- Location
- Campstool
- Easting
- 548843.9
- Northing
- 3621140
- Elevation
- 1299.5 m
- Azimuth
- 60 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows trace molybdenum, consistent with a porphyry system but not a significant economic contribution.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Trace grade, not quantifiable.
- Historical data.
- True width unknown.
Evidence · table
“trace”
Context: 62
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
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
SB-03Sombrero Butte · goldGrade: 0.044Grade Unit: g/tIntercept: 62 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-03
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.044
- Grade Unit
- g/t
- Intercept
- 62 m
- From
- 430 m
- To
- 492 m
- Hole Depth
- 645.7 m
- Intercept Depth
- 430 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-03:430-492
- Mining Method
- open_pit
Location
- Location
- Campstool
- Easting
- 548843.9
- Northing
- 3621140
- Elevation
- 1299.5 m
- Azimuth
- 60 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low gold grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.044”
Context: 62
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
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
SB-03Sombrero Butte · silverGrade: 0.1Grade Unit: g/tIntercept: 62 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-03
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 62 m
- From
- 430 m
- To
- 492 m
- Hole Depth
- 645.7 m
- Intercept Depth
- 430 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-03:430-492
- Mining Method
- open_pit
Location
- Location
- Campstool
- Easting
- 548843.9
- Northing
- 3621140
- Elevation
- 1299.5 m
- Azimuth
- 60 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.100”
Context: 62
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
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
SB-05Sombrero Butte · copperGrade: 3.57Grade Unit: %Intercept: 30 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-05
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 3.57
- Grade Unit
- %
- Intercept
- 30 m
- From
- 10 m
- To
- 40 m
- Hole Depth
- 212.8 m
- Intercept Depth
- 10 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-05:10-40
- Mining Method
- open_pit
Location
- Location
- Sunset
- Easting
- 548904.4
- Northing
- 3621061.8
- Elevation
- 1318.3 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows exceptional copper grades over a significant length, strongly supporting the updated porphyry exploration model.
Positive factors
- Exceptional copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“3.570”
Context: 30
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
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
SB-05Sombrero Butte · molybdenumGrade: 0.001Grade Unit: %Intercept: 30 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-05
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.001
- Grade Unit
- %
- Intercept
- 30 m
- From
- 10 m
- To
- 40 m
- Hole Depth
- 212.8 m
- Intercept Depth
- 10 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-05:10-40
- Mining Method
- open_pit
Location
- Location
- Sunset
- Easting
- 548904.4
- Northing
- 3621061.8
- Elevation
- 1318.3 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low molybdenum grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.001”
Context: 30
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
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
SB-05Sombrero Butte · goldGrade: 0.007Grade Unit: g/tIntercept: 30 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-05
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.007
- Grade Unit
- g/t
- Intercept
- 30 m
- From
- 10 m
- To
- 40 m
- Hole Depth
- 212.8 m
- Intercept Depth
- 10 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-05:10-40
- Mining Method
- open_pit
Location
- Location
- Sunset
- Easting
- 548904.4
- Northing
- 3621061.8
- Elevation
- 1318.3 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low gold grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.007”
Context: 30
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
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
SB-05Sombrero Butte · silverGrade: 4.522Grade Unit: g/tIntercept: 30 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-05
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 4.522
- Grade Unit
- g/t
- Intercept
- 30 m
- From
- 10 m
- To
- 40 m
- Hole Depth
- 212.8 m
- Intercept Depth
- 10 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-05:10-40
- Mining Method
- open_pit
Location
- Location
- Sunset
- Easting
- 548904.4
- Northing
- 3621061.8
- Elevation
- 1318.3 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“4.522”
Context: 30
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
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
SB-14Sombrero Butte · copperGrade: 1.158Grade Unit: %Intercept: 86 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-14
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 1.158
- Grade Unit
- %
- Intercept
- 86 m
- From
- 0 m
- To
- 86 m
- Hole Depth
- 148.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-14:0-86
- Mining Method
- open_pit
Location
- Location
- Audacious
- Easting
- 548954.9
- Northing
- 3621053.2
- Elevation
- 1328.8 m
- Azimuth
- 240 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows exceptional copper grades over a significant length, strongly supporting the updated porphyry exploration model.
Positive factors
- Exceptional copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“1.158”
Context: 86
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
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
SB-14Sombrero Butte · molybdenumGrade: 0.001Grade Unit: %Intercept: 86 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-14
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.001
- Grade Unit
- %
- Intercept
- 86 m
- From
- 0 m
- To
- 86 m
- Hole Depth
- 148.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-14:0-86
- Mining Method
- open_pit
Location
- Location
- Audacious
- Easting
- 548954.9
- Northing
- 3621053.2
- Elevation
- 1328.8 m
- Azimuth
- 240 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low molybdenum grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.001”
Context: 86
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
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
SB-14Sombrero Butte · goldGrade: 0.007Grade Unit: g/tIntercept: 86 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-14
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.007
- Grade Unit
- g/t
- Intercept
- 86 m
- From
- 0 m
- To
- 86 m
- Hole Depth
- 148.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-14:0-86
- Mining Method
- open_pit
Location
- Location
- Audacious
- Easting
- 548954.9
- Northing
- 3621053.2
- Elevation
- 1328.8 m
- Azimuth
- 240 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low gold grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.007”
Context: 86
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
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
SB-14Sombrero Butte · silverGrade: 0.412Grade Unit: g/tIntercept: 86 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-14
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.412
- Grade Unit
- g/t
- Intercept
- 86 m
- From
- 0 m
- To
- 86 m
- Hole Depth
- 148.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-14:0-86
- Mining Method
- open_pit
Location
- Location
- Audacious
- Easting
- 548954.9
- Northing
- 3621053.2
- Elevation
- 1328.8 m
- Azimuth
- 240 °
- Dip
- -80 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.412”
Context: 86
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
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
SB-23Sombrero Butte · copperGrade: 0.815Grade Unit: %Intercept: 82 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.815
- Grade Unit
- %
- Intercept
- 82 m
- From
- 276 m
- To
- 358 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:276-358
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows exceptional copper grades over a significant length, strongly supporting the updated porphyry exploration model.
Positive factors
- Exceptional copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“0.815”
Context: 82
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
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
SB-23Sombrero Butte · molybdenumGrade: 0.003Grade Unit: %Intercept: 82 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.003
- Grade Unit
- %
- Intercept
- 82 m
- From
- 276 m
- To
- 358 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:276-358
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low molybdenum grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.003”
Context: 82
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
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
SB-23Sombrero Butte · goldGrade: 0.153Grade Unit: g/tIntercept: 82 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.153
- Grade Unit
- g/t
- Intercept
- 82 m
- From
- 276 m
- To
- 358 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:276-358
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows weak gold grades, consistent with a porphyry system but not a significant economic contribution on its own.
Positive factors
- Weak gold grade for a porphyry deposit.
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“0.153”
Context: 82
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
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
SB-23Sombrero Butte · silverGrade: 0.485Grade Unit: g/tIntercept: 82 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.485
- Grade Unit
- g/t
- Intercept
- 82 m
- From
- 276 m
- To
- 358 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:276-358
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.485”
Context: 82
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
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
SB-23Sombrero Butte · copperGrade: 1.089Grade Unit: %Intercept: 60 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 1.089
- Grade Unit
- %
- Intercept
- 60 m
- From
- 446 m
- To
- 506 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:446-506
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows exceptional copper grades over a significant length, strongly supporting the updated porphyry exploration model.
Positive factors
- Exceptional copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“1.089”
Context: 60
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
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
SB-23Sombrero Butte · molybdenumGrade: 0.032Grade Unit: %Intercept: 60 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.032
- Grade Unit
- %
- Intercept
- 60 m
- From
- 446 m
- To
- 506 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:446-506
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows low molybdenum grades, consistent with a porphyry system but not a significant economic contribution on its own.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.032”
Context: 60
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
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
SB-23Sombrero Butte · goldGrade: 0.068Grade Unit: g/tIntercept: 60 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.068
- Grade Unit
- g/t
- Intercept
- 60 m
- From
- 446 m
- To
- 506 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:446-506
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low gold grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.068”
Context: 60
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
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
SB-23Sombrero Butte · silverGrade: 3.128Grade Unit: g/tIntercept: 60 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-23
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 3.128
- Grade Unit
- g/t
- Intercept
- 60 m
- From
- 446 m
- To
- 506 m
- Hole Depth
- 1230.76 m
- Intercept Depth
- 276 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-23:446-506
- Mining Method
- open_pit
Location
- Location
- Magna
- Easting
- 548843.2
- Northing
- 3621141.8
- Elevation
- 1298.6 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“3.128”
Context: 60
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
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
SB-33Sombrero Butte · copperGrade: 1.562Grade Unit: %Intercept: 22 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-33
- Project
- Sombrero Butte
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 1.562
- Grade Unit
- %
- Intercept
- 22 m
- From
- 4 m
- To
- 26 m
- Hole Depth
- 50.67 m
- Intercept Depth
- 4 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-33:4-26
- Mining Method
- open_pit
Location
- Location
- Victors
- Easting
- 549214.8
- Northing
- 3621515.4
- Elevation
- 1313.1 m
- Azimuth
- 347 °
- Dip
- -75 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows exceptional copper grades over a significant length, strongly supporting the updated porphyry exploration model.
Positive factors
- Exceptional copper grade for a porphyry deposit.
- Significant intercept length.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“1.562”
Context: 22
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
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
SB-33Sombrero Butte · molybdenumGrade: 0.004Grade Unit: %Intercept: 22 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-33
- Project
- Sombrero Butte
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.004
- Grade Unit
- %
- Intercept
- 22 m
- From
- 4 m
- To
- 26 m
- Hole Depth
- 50.67 m
- Intercept Depth
- 4 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-33:4-26
- Mining Method
- open_pit
Location
- Location
- Victors
- Easting
- 549214.8
- Northing
- 3621515.4
- Elevation
- 1313.1 m
- Azimuth
- 347 °
- Dip
- -75 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low molybdenum grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of molybdenum supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“0.004”
Context: 22
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
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
SB-33Sombrero Butte · goldGrade: 0.124Grade Unit: g/tIntercept: 22 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-33
- Project
- Sombrero Butte
- Commodity
- gold
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 0.124
- Grade Unit
- g/t
- Intercept
- 22 m
- From
- 4 m
- To
- 26 m
- Hole Depth
- 50.67 m
- Intercept Depth
- 4 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-33:4-26
- Mining Method
- open_pit
Location
- Location
- Victors
- Easting
- 549214.8
- Northing
- 3621515.4
- Elevation
- 1313.1 m
- Azimuth
- 347 °
- Dip
- -75 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows weak gold grades, consistent with a porphyry system but not a significant economic contribution on its own.
Positive factors
- Weak gold grade for a porphyry deposit.
- Presence of gold supports polymetallic porphyry model.
Negative factors
- Historical data.
- True width unknown.
Evidence · table
“0.124”
Context: 22
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
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
SB-33Sombrero Butte · silverGrade: 5.509Grade Unit: g/tIntercept: 22 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SB-33
- Project
- Sombrero Butte
- Commodity
- silver
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- CUU
Geometry
- Grade
- 5.509
- Grade Unit
- g/t
- Intercept
- 22 m
- From
- 4 m
- To
- 26 m
- Hole Depth
- 50.67 m
- Intercept Depth
- 4 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- SB-33:4-26
- Mining Method
- open_pit
Location
- Location
- Victors
- Easting
- 549214.8
- Northing
- 3621515.4
- Elevation
- 1313.1 m
- Azimuth
- 347 °
- Dip
- -75 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Activation Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2006-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-24T00:00:00.000Z
Reasoning: This historical intercept shows very low silver grades, indicating trace amounts rather than significant economic potential.
Positive factors
- Presence of silver supports polymetallic porphyry model.
Negative factors
- Very low grade.
- Historical data.
- True width unknown.
Evidence · table
“5.509”
Context: 22
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
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
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.