Edge Copper Initial Drilling Confirms Broad Oxide Copper Mineralization and Expansion Potential at Zonia
Original announcement by tmx on
- Company
- Edge Copper Corporation
- Ticker
- EDCU
- Exchange
- TSX
- Region
- Arizona
- Primary commodity
- Copper
- Secondary commodities
- None reported
- Document categories
- Drill results, Metallurgy, Economic study
- Extracted
- 2026-09-19 18:57:40 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Edge Copper has reported initial assay results from its 54,000-foot diamond drilling program at the Zonia Copper Project in Arizona, confirming broad, near-surface oxide copper mineralization. Several holes returned significant intercepts, including 621 ft grading 0.23% CuT in ZND0014 and 247 ft grading 0.36% CuT in ZND0003, extending mineralization beyond the current pit shell. The program aims to increase resource confidence, convert Inferred resources to Indicated, and evaluate potential for 50% resource growth, with a resource update expected in Q4 2026.
Reasoning: The initial drill results from Zonia confirm broad, near-surface oxide copper mineralization, with several strong intercepts that extend beyond the current pit shell. This indicates significant resource expansion potential and supports resource conversion, which is a material positive for the project. The company also discloses robust QA/QC and has a metallurgical program underway, further de-risking the project. While the true width is interpreted, it's not explicitly stated, and the resource growth objective is conceptual.
Positive factors
- Initial drilling confirms broad, near-surface oxide copper mineralization, extending beyond the current pit shell.
- Several significant intercepts with good grades and widths for oxide copper porphyry deposits.
- Drilling supports resource conversion (inferred to indicated) and identifies expansion potential along strike and laterally.
- True width is interpreted to be approximate true thickness due to drill orientation.
- Comprehensive QA/QC procedures are disclosed, including certified lab and QP sign-off.
- Metallurgical program is underway to further evaluate copper solubility and recovery characteristics.
Negative factors
- No true width explicitly stated, only 'approximate true thicknesses' interpreted.
- The 50% resource growth objective is conceptual and forward-looking, with no certainty of achievement.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 17
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling indicates the deposit remains open along strike and laterally, with holes like ZND0014 and ZND0003 extending mineralization beyond the current pit shell.
Evidence · text
“Drilling completed to date indicates the deposit remains open along strike, consistent with the Company's geological model and prior interpretations.”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The current program includes infill drilling designed to increase confidence in the existing resource model and support conversion of Inferred Mineral Resources to the Indicated category.
Evidence · text
“Infill drilling is designed to increase confidence in the existing resource model and support conversion of Inferred Mineral Resources to the Indicated category”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: Intervals reported are interpreted to represent approximate true thicknesses based on drill orientation.
Evidence · text
“Based on the current geological interpretation and drill geometry, intervals reported in this news release are interpreted to represent approximate true thicknesses.”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release details QA/QC procedures including certified reference materials, blanks, duplicates, and an accredited independent laboratory.
Evidence · text
“The Company's QA/QC program includes the insertion of certified reference materials, blanks and duplicate samples at regular intervals within the sample stream.”
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: Patrick B. Redmond, Ph.D., P.Geo., a consultant to the Company, is a Qualified Person as defined by NI 43-101 and has approved the scientific and technical information.
Evidence · text
“The scientific and technical information contained in this news release has been approved by Patrick B. Redmond, Ph.D., P.Geo., a consultant to the Company, who is a Qualified Person as defined by National Instrument 43-101”
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: Significant intervals were calculated using a 0.10% CuT cut-off.
Evidence · text
“Significant intervals reported in this news release were calculated using a 0.10% CuT cut-off.”
Heap Leach Routeneutral
Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
Why it applies: the document describes a heap_leach route ("heap leach")
Extracted facts
Stored fact records: 17. Some facts used in scoring do not have a stored record.
Drill Results (17)
ZND0001Zonia · copperGrade: 0.21Grade Unit: %Intercept: 37.1856 mView all detailsHide details
Identity
- Hole ID
- ZND0001
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.21
- Grade Unit
- %
- Intercept
- 37.1856 m
- From
- 82.296 m
- To
- 119.4816 m
- Hole Depth
- 187.7568 m
- Intercept Depth
- 82.296 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0001:82.296-119.4816
- Mining Method
- open_pit
Location
- Easting
- 480942
- Northing
- 1198441
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1428.2448 m
- Azimuth
- 125 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This intercept confirms broad oxide copper mineralization as part of the initial drill program, contributing to the overall understanding and potential expansion of the deposit.
Positive factors
- Broad intercept length for oxide copper.
- Part of initial drilling confirming mineralization.
Evidence · table
“0.21”
Context: 122
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0002Zonia · copperGrade: 0.25Grade Unit: %Intercept: 93.2688 mView all detailsHide details
Identity
- Hole ID
- ZND0002
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.25
- Grade Unit
- %
- Intercept
- 93.2688 m
- From
- 7.3152 m
- To
- 100.584 m
- Hole Depth
- 256.6416 m
- Intercept Depth
- 7.3152 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0002:7.3152-100.584
- Mining Method
- open_pit
Location
- Easting
- 482421
- Northing
- 1200686
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1312.4088 m
- Azimuth
- 138 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This broad, shallow intercept in the north-central area confirms continuity of near-surface oxide copper, which is positive for resource conversion and supports the existing geological model.
Positive factors
- Broad, shallow intercept confirming continuity of near-surface mineralization.
- Supports inferred-to-indicated resource conversion.
Evidence · table
“0.25”
Context: 306
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0002Zonia · copperGrade: 0.38Grade Unit: %Intercept: 23.7744 mView all detailsHide details
Identity
- Hole ID
- ZND0002
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.38
- Grade Unit
- %
- Intercept
- 23.7744 m
- From
- 17.9832 m
- To
- 41.7576 m
- Hole Depth
- 256.6416 m
- Intercept Depth
- 17.9832 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0002:17.9832-41.7576
- Mining Method
- open_pit
Location
- Easting
- 482421
- Northing
- 1200686
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1312.4088 m
- Azimuth
- 138 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This higher-grade sub-interval within ZND0002 enhances the overall positive result, indicating a richer zone of oxide copper mineralization.
Positive factors
- Higher grade within a broader intercept, indicating good quality mineralization.
Evidence · table
“0.38”
Context: 78
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0003Zonia · copperGrade: 0.36Grade Unit: %Intercept: 75.2856 mView all detailsHide details
Identity
- Hole ID
- ZND0003
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.36
- Grade Unit
- %
- Intercept
- 75.2856 m
- From
- 51.816 m
- To
- 127.1016 m
- Hole Depth
- 139.2984 m
- Intercept Depth
- 51.816 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0003:51.816-127.1016
- Mining Method
- open_pit
Location
- Easting
- 481650
- Northing
- 1198890
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1423.9776 m
- Azimuth
- 130 °
- Dip
- -45 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This high-grade intercept in ZND0003 is highly material, as it extends mineralization beyond the current pit shell and below the modelled base of oxide, suggesting significant resource expansion potential.
Positive factors
- High-grade intercept for oxide copper porphyry.
- Extends mineralization beyond the current pit shell.
- Intersected oxide copper mineralization below the currently modelled base of oxide, indicating expansion potential.
Evidence · table
“0.36”
Context: 247
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0004ZoniaView all detailsHide details
Identity
- Hole ID
- ZND0004
- Project
- Zonia
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Hole Depth
- 90.2208 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 483820
- Northing
- 1202465
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1406.6664 m
- Azimuth
- 129 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: ZND0004 returned no significant intercepts, which is a minor negative, but it is part of a broader program with overall positive results.
Negative factors
- No significant intercepts reported.
Evidence · table
“No significant intercepts”
Context: No significant intercepts
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0006Zonia · copperGrade: 0.21Grade Unit: %Intercept: 108.5088 mView all detailsHide details
Identity
- Hole ID
- ZND0006
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.21
- Grade Unit
- %
- Intercept
- 108.5088 m
- From
- 24.0792 m
- To
- 132.588 m
- Hole Depth
- 260.604 m
- Intercept Depth
- 24.0792 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0006:24.0792-132.588
- Mining Method
- open_pit
Location
- Easting
- 484973
- Northing
- 1204046
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1318.5528 m
- Azimuth
- 136 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This intercept confirms broad oxide copper mineralization as part of the initial drill program, contributing to the overall understanding and potential expansion of the deposit.
Positive factors
- Broad intercept length for oxide copper.
Evidence · table
“0.21”
Context: 356
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0006Zonia · copperGrade: 0.31Grade Unit: %Intercept: 27.432 mView all detailsHide details
Identity
- Hole ID
- ZND0006
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 27.432 m
- From
- 40.2336 m
- To
- 67.6656 m
- Hole Depth
- 260.604 m
- Intercept Depth
- 40.2336 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0006:40.2336-67.6656
- Mining Method
- open_pit
Location
- Easting
- 484973
- Northing
- 1204046
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1318.5528 m
- Azimuth
- 136 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This higher-grade sub-interval within ZND0006 enhances the overall positive result, indicating a richer zone of oxide copper mineralization.
Positive factors
- Higher grade within a broader intercept, indicating good quality mineralization.
Evidence · table
“0.31”
Context: 90
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0007Zonia · copperGrade: 0.19Grade Unit: %Intercept: 22.2504 mView all detailsHide details
Identity
- Hole ID
- ZND0007
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.19
- Grade Unit
- %
- Intercept
- 22.2504 m
- From
- 6.096 m
- To
- 28.3464 m
- Hole Depth
- 212.4456 m
- Intercept Depth
- 6.096 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0007:6.096-28.3464
- Mining Method
- open_pit
Location
- Easting
- 486010
- Northing
- 1204190
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1379.22 m
- Azimuth
- 128 °
- Dip
- -45 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This intercept confirms near-surface oxide copper mineralization, contributing to the overall understanding of the deposit.
Positive factors
- Confirms near-surface oxide copper mineralization.
Evidence · table
“0.19”
Context: 73
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0009Zonia · copperGrade: 0.29Grade Unit: %Intercept: 71.9328 mView all detailsHide details
Identity
- Hole ID
- ZND0009
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.29
- Grade Unit
- %
- Intercept
- 71.9328 m
- From
- 153.6192 m
- To
- 225.552 m
- Hole Depth
- 270.0528 m
- Intercept Depth
- 153.6192 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0009:153.6192-225.552
- Mining Method
- open_pit
Location
- Easting
- 482329
- Northing
- 1199185
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1397.8272 m
- Azimuth
- 130 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This broad intercept in ZND0009 confirms continuity of the oxide copper zone in an area targeted for resource conversion, which is a positive step for the project.
Positive factors
- Broad intercept confirming continuity of the oxide copper mineralized zone.
- Supports inferred-to-indicated resource conversion.
Evidence · table
“0.29”
Context: 236
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0009Zonia · copperGrade: 0.43Grade Unit: %Intercept: 27.432 mView all detailsHide details
Identity
- Hole ID
- ZND0009
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.43
- Grade Unit
- %
- Intercept
- 27.432 m
- From
- 176.784 m
- To
- 204.216 m
- Hole Depth
- 270.0528 m
- Intercept Depth
- 176.784 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0009:176.784-204.216
- Mining Method
- open_pit
Location
- Easting
- 482329
- Northing
- 1199185
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1397.8272 m
- Azimuth
- 130 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This higher-grade sub-interval within ZND0009 enhances the overall positive result, indicating a richer zone of oxide copper mineralization.
Positive factors
- Higher grade within a broader intercept, indicating good quality mineralization.
Evidence · table
“0.43”
Context: 90
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0013Zonia · copperGrade: 0.22Grade Unit: %Intercept: 36.576 mView all detailsHide details
Identity
- Hole ID
- ZND0013
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 36.576 m
- From
- 42.672 m
- To
- 79.248 m
- Hole Depth
- 242.6208 m
- Intercept Depth
- 42.672 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0013:42.672-79.248
- Mining Method
- open_pit
Location
- Easting
- 486574
- Northing
- 1204775
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1435.608 m
- Azimuth
- 128 °
- Dip
- -45 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This intercept confirms oxide copper mineralization as part of the initial drill program, contributing to the overall understanding of the deposit.
Positive factors
- Confirms oxide copper mineralization.
Evidence · table
“0.22”
Context: 120
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0014Zonia · copperGrade: 0.23Grade Unit: %Intercept: 189.2808 mView all detailsHide details
Identity
- Hole ID
- ZND0014
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.23
- Grade Unit
- %
- Intercept
- 189.2808 m
- From
- 24.0792 m
- To
- 213.36 m
- Hole Depth
- 258.7752 m
- Intercept Depth
- 24.0792 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0014:24.0792-213.36
- Mining Method
- open_pit
Location
- Easting
- 485801
- Northing
- 1203889
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1329.2928 m
- Azimuth
- 115 °
- Dip
- -52 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This very broad intercept in ZND0014 is highly material, as it indicates significant oxide copper mineralization along the margin of the deposit, suggesting potential for pit-shell expansion.
Positive factors
- Very broad intercept length for oxide copper.
- Located along the northwestern margin near the pit shell limit, suggesting expansion potential.
Evidence · table
“0.23”
Context: 621
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0014Zonia · copperGrade: 0.34Grade Unit: %Intercept: 23.47 mView all detailsHide details
Identity
- Hole ID
- ZND0014
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.34
- Grade Unit
- %
- Intercept
- 23.47 m
- From
- 31.0896 m
- To
- 54.5592 m
- Hole Depth
- 258.7752 m
- Intercept Depth
- 31.0896 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0014:31.0896-54.5592
- Mining Method
- open_pit
Location
- Easting
- 485801
- Northing
- 1203889
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1329.2928 m
- Azimuth
- 115 °
- Dip
- -52 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This higher-grade sub-interval within ZND0014 enhances the overall positive result, indicating a richer zone of oxide copper mineralization.
Positive factors
- Higher grade within a broader intercept, indicating good quality mineralization.
Evidence · table
“0.34”
Context: 77
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0014Zonia · copperGrade: 0.36Grade Unit: %Intercept: 53.0352 mView all detailsHide details
Identity
- Hole ID
- ZND0014
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.36
- Grade Unit
- %
- Intercept
- 53.0352 m
- From
- 129.54 m
- To
- 182.5752 m
- Hole Depth
- 258.7752 m
- Intercept Depth
- 129.54 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0014:129.54-182.5752
- Mining Method
- open_pit
Location
- Easting
- 485801
- Northing
- 1203889
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1329.2928 m
- Azimuth
- 115 °
- Dip
- -52 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This higher-grade sub-interval within ZND0014 further enhances the overall positive result, indicating a richer zone of oxide copper mineralization.
Positive factors
- Higher grade within a broader intercept, indicating good quality mineralization.
Evidence · table
“0.36”
Context: 174
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0015Zonia · copperGrade: 0.14Grade Unit: %Intercept: 11.2776 mView all detailsHide details
Identity
- Hole ID
- ZND0015
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.14
- Grade Unit
- %
- Intercept
- 11.2776 m
- From
- 24.6888 m
- To
- 35.9664 m
- Hole Depth
- 321.8688 m
- Intercept Depth
- 24.6888 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0015:24.6888-35.9664
- Mining Method
- open_pit
Location
- Easting
- 481595
- Northing
- 1200270
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1441.1232 m
- Azimuth
- 135 °
- Dip
- -45 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This intercept confirms oxide copper mineralization, contributing to the overall understanding of the deposit, though at a lower grade and width compared to other significant intercepts.
Positive factors
- Confirms oxide copper mineralization.
Evidence · table
“0.14”
Context: 37
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0019Zonia · copperGrade: 0.22Grade Unit: %Intercept: 80.4672 mView all detailsHide details
Identity
- Hole ID
- ZND0019
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 80.4672 m
- From
- 81.0768 m
- To
- 161.544 m
- Hole Depth
- 396.8496 m
- Intercept Depth
- 81.0768 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0019:81.0768-161.544
- Mining Method
- open_pit
Location
- Easting
- 483989
- Northing
- 1203183
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1408.4328 m
- Azimuth
- 130 °
- Dip
- -49 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This broad, shallow intercept in ZND0019 confirms continuity of near-surface oxide copper, which is positive for resource conversion and supports the existing geological model.
Positive factors
- Broad, shallow intercept confirming continuity of near-surface mineralization.
- Supports inferred-to-indicated resource conversion.
Evidence · table
“0.22”
Context: 264
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
ZND0019Zonia · copperGrade: 0.45Grade Unit: %Intercept: 20.4216 mView all detailsHide details
Identity
- Hole ID
- ZND0019
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.45
- Grade Unit
- %
- Intercept
- 20.4216 m
- From
- 113.6904 m
- To
- 134.112 m
- Hole Depth
- 396.8496 m
- Intercept Depth
- 113.6904 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0019:113.6904-134.112
- Mining Method
- open_pit
Location
- Easting
- 483989
- Northing
- 1203183
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1408.4328 m
- Azimuth
- 130 °
- Dip
- -49 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- % CuT
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-19T00:00:00.000Z
Reasoning: This higher-grade sub-interval within ZND0019 enhances the overall positive result, indicating a richer zone of oxide copper mineralization.
Positive factors
- Higher grade within a broader intercept, indicating good quality mineralization.
Evidence · table
“0.45”
Context: 67
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
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.