Coppernico Channel Samples Intersect 70.1 m of 0.92% Copper and 0.25 g/t Gold at Nioc
Original announcement by tmx on
- Company
- Coppernico Metals Inc.
- Ticker
- COPR
- Exchange
- TSX
- Region
- Peru
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-13 18:48:30 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Coppernico Metals has reported new surface channel sampling results at the Nioc target of its Sombrero Project in Peru. The results include a 70.1 m intercept of 0.92% Cu and 0.25 g/t Au, effectively doubling the known east-west width of mineralization at Zone 2 and demonstrating northward step-out extension.
Reasoning: The results demonstrate a significant northward expansion and doubling of the known surface width of mineralization at the Nioc target, although these are surface channel samples and true width is not stated.
Positive factors
- Step-Out Extension
- continuous high-grade skarn mineralization
- doubling of surface width
Negative factors
- Apparent Width Only
Facts used in scoring: 19
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Channel 26SRT-111 is located 120m north of the combined line, demonstrating northward expansion.
Evidence · text
“demonstrating a meaningful northward expansion of the Zone 2 footprint”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details QA/QC protocols including standards, blanks, and duplicates.
Evidence · text
“QA/QC programs for 2025-2026 channel samples included internal standard samples, blanks, and duplicates”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: Table notes explicitly state that true thickness is unknown.
Evidence · text
“True thickness is unknown”
Extracted facts
Stored fact records: 19. Some facts used in scoring do not have a stored record.
Drill Results (19)
Combined 26SRT-109 / 25SRT-042 / 26SRT-110Sombrero Project · copperGrade: 0.92Grade Unit: %Intercept: 70.1 mView all detailsHide details
Identity
- Hole ID
- Combined 26SRT-109 / 25SRT-042 / 26SRT-110
- Project
- Sombrero Project
- Commodity
- copper
- Region
- peru
- Reported Region
- Peru
- Ticker
- COPR
Geometry
- Grade
- 0.92
- Grade Unit
- %
- Intercept
- 70.1 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- channel
- Group ID
- Combined 26SRT-109 / 25SRT-042 / 26SRT-110:0.0-70.1
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- % Cu
- Dilution Disclosed
- Yes
- Max Dilution
- 6 m
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Significant width and grade for surface channel sampling, though true width is unknown.
Positive factors
- continuous mineralization
Negative factors
- Apparent Width Only
Evidence · table
“0.92”
Context: 70.1
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
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: cutoff_grade and internal dilution are both stated
Combined 26SRT-109 / 25SRT-042 / 26SRT-110Sombrero Project · goldGrade: 0.25Grade Unit: g/tIntercept: 70.1 mView all detailsHide details
Identity
- Hole ID
- Combined 26SRT-109 / 25SRT-042 / 26SRT-110
- Project
- Sombrero Project
- Commodity
- gold
- Region
- peru
- Reported Region
- Peru
- Ticker
- COPR
Geometry
- Grade
- 0.25
- Grade Unit
- g/t
- Intercept
- 70.1 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- channel
- Group ID
- Combined 26SRT-109 / 25SRT-042 / 26SRT-110:0.0-70.1
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- % Cu
- Dilution Disclosed
- Yes
- Max Dilution
- 6 m
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Gold grade is modest but part of a significant polymetallic intercept.
Evidence · table
“0.25”
Context: 70.1
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
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: cutoff_grade and internal dilution are both stated
Combined 26SRT-109 / 25SRT-042 / 26SRT-110Sombrero Project · silverGrade: 2.45Grade Unit: g/tIntercept: 70.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Combined 26SRT-109 / 25SRT-042 / 26SRT-110
- Project
- Sombrero Project
- Commodity
- silver
- Region
- peru
- Reported Region
- Peru
- Ticker
- COPR
Geometry
- Grade
- 2.45
- Grade Unit
- g/t
- Intercept
- 70.1 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- channel
- Group ID
- Combined 26SRT-109 / 25SRT-042 / 26SRT-110:0.0-70.1
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- % Cu
- Dilution Disclosed
- Yes
- Max Dilution
- 6 m
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Silver is a minor byproduct in this intercept.
Evidence · table
“2.45”
Context: 70.1
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
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: cutoff_grade and internal dilution are both stated
25SRT-042Sombrero Project · copperGrade: 1.1Grade Unit: %Intercept: 36 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 25SRT-042
- Project
- Sombrero Project
- Commodity
- copper
- Region
- peru
- Reported Region
- Peru
- Ticker
- COPR
Geometry
- Grade
- 1.1
- Grade Unit
- %
- Intercept
- 36 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- channel
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: High grade intercept, but previously reported in September 2025.
Negative factors
- Stale Data Re-release
Evidence · table
“1.10”
Context: 36.0
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
26SRT-111Sombrero Project · copperGrade: 0.58Grade Unit: %Intercept: 58 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 26SRT-111
- Project
- Sombrero Project
- Commodity
- copper
- Region
- peru
- Reported Region
- Peru
- Ticker
- COPR
Geometry
- Grade
- 0.58
- Grade Unit
- %
- Intercept
- 58 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- channel
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Demonstrates meaningful northward expansion of the Zone 2 footprint.
Positive factors
- Step-Out Extension
Evidence · table
“0.58”
Context: 58.0
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
Incl. 25SRT-042*Sombrero · copperGrade: 1.1Grade Unit: %Intercept: 36 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Incl. 25SRT-042*
- Project
- Sombrero
- Commodity
- copper
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 1.1
- Grade Unit
- %
- Intercept
- 36 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 1.1 % copper is strong against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 39.6 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 1.1 % copper is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.10”
Context: Incl. 25SRT-042*
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
Incl. 25SRT-042*Sombrero · goldGrade: 0.32Grade Unit: g/tIntercept: 36 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Incl. 25SRT-042*
- Project
- Sombrero
- Commodity
- gold
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.32
- Grade Unit
- g/t
- Intercept
- 36 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.32 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 11.5 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.32”
Context: Incl. 25SRT-042*
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
Incl. 25SRT-042*Sombrero · silverGrade: 3.44Grade Unit: g/tIntercept: 36 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Incl. 25SRT-042*
- Project
- Sombrero
- Commodity
- silver
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 3.44
- Grade Unit
- g/t
- Intercept
- 36 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 3.44 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 123.8 g/t·m is below.
Negative factors
- 3.44 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“3.44”
Context: Incl. 25SRT-042*
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
Incl. 26SRT-109Sombrero · copperGrade: 0.7Grade Unit: %Intercept: 29 mView all detailsHide details
Identity
- Hole ID
- Incl. 26SRT-109
- Project
- Sombrero
- Commodity
- copper
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.7
- Grade Unit
- %
- Intercept
- 29 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.7 % copper is moderate against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 20.3 %·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.70”
Context: Incl. 26SRT-109
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
Incl. 26SRT-109Sombrero · goldGrade: 0.14Grade Unit: g/tIntercept: 29 mView all detailsHide details
Identity
- Hole ID
- Incl. 26SRT-109
- Project
- Sombrero
- Commodity
- gold
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.14
- Grade Unit
- g/t
- Intercept
- 29 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.14 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.1 g/t·m is below.
Negative factors
- 0.14 g/t gold is below the weak threshold (0.3 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.14”
Context: Incl. 26SRT-109
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
Incl. 26SRT-109Sombrero · silverGrade: 1.22Grade Unit: g/tIntercept: 29 mView all detailsHide details
Identity
- Hole ID
- Incl. 26SRT-109
- Project
- Sombrero
- Commodity
- silver
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 1.22
- Grade Unit
- g/t
- Intercept
- 29 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 1.22 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 35.4 g/t·m is below.
Negative factors
- 1.22 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.22”
Context: Incl. 26SRT-109
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
Incl. 26SRT-110Sombrero · copperGrade: 0.77Grade Unit: %Intercept: 5.1 mView all detailsHide details
Identity
- Hole ID
- Incl. 26SRT-110
- Project
- Sombrero
- Commodity
- copper
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.77
- Grade Unit
- %
- Intercept
- 5.1 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.77 % copper is moderate against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 3.9 %·m is below (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.77”
Context: Incl. 26SRT-110
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
Incl. 26SRT-110Sombrero · goldGrade: 0.27Grade Unit: g/tIntercept: 5.1 mView all detailsHide details
Identity
- Hole ID
- Incl. 26SRT-110
- Project
- Sombrero
- Commodity
- gold
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.27
- Grade Unit
- g/t
- Intercept
- 5.1 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.27 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 1.4 g/t·m is below.
Negative factors
- 0.27 g/t gold is below the weak threshold (0.3 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.27”
Context: Incl. 26SRT-110
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
Incl. 26SRT-110Sombrero · silverGrade: 1.52Grade Unit: g/tIntercept: 5.1 mView all detailsHide details
Identity
- Hole ID
- Incl. 26SRT-110
- Project
- Sombrero
- Commodity
- silver
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 1.52
- Grade Unit
- g/t
- Intercept
- 5.1 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 1.52 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 7.8 g/t·m is below.
Negative factors
- 1.52 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.52”
Context: Incl. 26SRT-110
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
26SRT-111Sombrero · goldGrade: 0.39Grade Unit: g/tIntercept: 58 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 26SRT-111
- Project
- Sombrero
- Commodity
- gold
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.39
- Grade Unit
- g/t
- Intercept
- 58 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.39 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 22.6 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.39”
Context: 26SRT-111
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
26SRT-111Sombrero · silverGrade: 1.7Grade Unit: g/tIntercept: 58 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 26SRT-111
- Project
- Sombrero
- Commodity
- silver
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 1.7
- Grade Unit
- g/t
- Intercept
- 58 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 1.7 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 98.6 g/t·m is below.
Negative factors
- 1.7 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.70”
Context: 26SRT-111
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
Incl.Sombrero · copperGrade: 0.6Grade Unit: %Intercept: 38 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Incl.
- Project
- Sombrero
- Commodity
- copper
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.6
- Grade Unit
- %
- Intercept
- 38 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.6 % copper is moderate against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 22.8 %·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.60”
Context: Incl.
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
Incl.Sombrero · goldGrade: 0.55Grade Unit: g/tIntercept: 38 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Incl.
- Project
- Sombrero
- Commodity
- gold
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 0.55
- Grade Unit
- g/t
- Intercept
- 38 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 0.55 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 20.9 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.55”
Context: Incl.
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
Incl.Sombrero · silverGrade: 2.04Grade Unit: g/tIntercept: 38 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- Incl.
- Project
- Sombrero
- Commodity
- silver
- Region
- peru
- Reported Region
- peru
- Ticker
- COPR
Geometry
- Grade
- 2.04
- Grade Unit
- g/t
- Intercept
- 38 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-09-04T00:00:00.000Z
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: Expanded from assay table. 2.04 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 77.5 g/t·m is below.
Negative factors
- 2.04 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“2.04”
Context: Incl.
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
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.