Edge Copper Reports Broad Infill Copper Intercepts as Zonia Program Transitions to Deposit-Extent Drilling
Original announcement by tmx on
- Company
- Edge Copper
- Ticker
- EDCU
- Exchange
- TSX
- Region
- Arizona
- Primary commodity
- Copper
- Secondary commodities
- None reported
- Document categories
- Drill results, Resource update
- Extracted
- 2026-08-24 04:52:49 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Edge Copper announced assay results from nine additional diamond drill holes at its Zonia Copper Project in Arizona, primarily focused on infill drilling within the current mineral resource area. The results, including broad intervals of oxide copper mineralization, reinforce continuity and support increasing confidence in the resource model. The company is now transitioning to systematic deposit-extent drilling to define the limits of the mineralized system and plans an updated Mineral Resource estimate in Q4 2026.
Reasoning: Edge Copper reported broad infill and deposit-extent copper intercepts at its Zonia project, reinforcing continuity and supporting future resource upgrades. While individual grades are moderate to strong for a porphyry open pit, the grade-thickness products are mostly weak. The shift to deposit-extent drilling is a positive step for defining the full mineralization footprint.
Positive factors
- good_continuity
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
- deposit_extent_drilling
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 18
Classification and evidence
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The reported holes were drilled primarily as infill within the current mineral resource area to increase confidence in the resource model.
Evidence · text
“The holes reported today were drilled primarily as infill within the current mineral resource area and returned broad intervals of copper mineralization that reinforce continuity of the oxide system and support the Company's objective of increasing confidence in the current resource model.”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The company is shifting the balance of drilling toward systematic testing of the deposit extents and around the perimeter of the mineralized system.
Evidence · text
“As the infill program advances, Edge Copper is shifting the balance of drilling toward systematic testing of the deposit extents. Current and planned holes are progressing around the perimeter of the mineralized system to establish hanging-wall and footwall contacts from surface to depth and to test continuity along strike, up dip and down dip.”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The news release explicitly states that reported intervals are interpreted to represent approximate true thicknesses based on geological interpretation and drill geometry.
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 document includes a detailed QA/QC section mentioning industry-standard procedures, certified reference materials, blanks, duplicates, and laboratory reviews.
Evidence · text
“All drill samples were collected under the supervision of the Company's geological staff in accordance with industry-standard quality assurance and quality control ("QA/QC") procedures. Samples are from HQ-diameter core. Core is scanned and logged by the Company's geology team before being cut. Half-core HQ samples are prepared for assay and the remaining material is retained at site for future reference. The Company's QA/QC program includes the insertion of certified reference materials, blanks and duplicate samples at regular intervals within the sample stream. The Company also conducts ongoing reviews of laboratory QA/QC performance to ensure analytical reliability and accuracy.”
QP/CP Signedpositive
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: The scientific and technical information has been approved by Patrick B. Redmond, Ph.D., P.Geo., a Qualified Person as defined by NI 43-101.
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 - Standards of Disclosure for Mineral Projects.”
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: Significant intervals were calculated using a clearly stated 0.10% CuT cut-off.
Evidence · text
“Significant intervals reported in this news release were calculated using a 0.10% CuT cut-off.”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The drilling aims to increase confidence in the current resource model and support an updated Mineral Resource estimate in Q4 2026.
Evidence · text
“The results support the objective of increasing confidence in the current resource and evaluating future conversion of Inferred Mineral Resources to the Indicated category.”
Extracted facts
Stored fact records: 18. Some facts used in scoring do not have a stored record.
Drill Results (18)
ZND0010Zonia Copper Project · copperGrade: 0.22Grade Unit: %Intercept: 72.2376 mView all detailsHide details
Identity
- Hole ID
- ZND0010
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 72.2376 m
- True Width
- 72.2376 m
- From
- 6.096 m
- To
- 78.3336 m
- Hole Depth
- 206.35 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148180.848
- Northing
- 367279.0064
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1301.8568 m
- Azimuth
- 120 °
- Dip
- -58 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a weak copper grade (0.22%) and weak grade-thickness product (15.89 %m) for a porphyry open pit deposit, but contributes to infill data.
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.22”
Context: 237
ZND0012Zonia Copper Project · copperGrade: 0.19Grade Unit: %Intercept: 86.5632 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- ZND0012
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.19
- Grade Unit
- %
- Intercept
- 86.5632 m
- True Width
- 86.5632 m
- From
- 36.2712 m
- To
- 122.8344 m
- Hole Depth
- 203.3016 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147654.72
- Northing
- 366380.184
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1335.6336 m
- Azimuth
- 132 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a weak copper grade (0.19%) and weak grade-thickness product (16.45 %m) for a porphyry open pit deposit, but contributes to infill data.
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.19”
Context: 284
ZND0012Zonia Copper Project · copperGrade: 0.3Grade Unit: %Intercept: 20.7264 mView all detailsHide details
Identity
- Hole ID
- ZND0012
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 20.7264 m
- True Width
- 20.7264 m
- From
- 98.1456 m
- To
- 118.872 m
- Hole Depth
- 203.3016 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147654.72
- Northing
- 366380.184
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1335.6336 m
- Azimuth
- 132 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.30%) for a porphyry open pit deposit, but a weak grade-thickness product (6.21 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.30”
Context: 68
ZND0018Zonia Copper Project · copperGrade: 0.4Grade Unit: %Intercept: 23.7744 mView all detailsHide details
Identity
- Hole ID
- ZND0018
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.4
- Grade Unit
- %
- Intercept
- 23.7744 m
- True Width
- 23.7744 m
- From
- 0 m
- To
- 23.7744 m
- Hole Depth
- 73.152 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 146999.712
- Northing
- 365900.076
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1433.1776 m
- Azimuth
- 124 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade (0.40%) for a porphyry open pit deposit, but a weak grade-thickness product (9.51 %m).
Positive factors
- grade_above_average
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.40”
Context: 78
ZND0023Zonia Copper Project · copperGrade: 0.22Grade Unit: %Intercept: 112.4712 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- ZND0023
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 112.4712 m
- True Width
- 112.4712 m
- From
- 0 m
- To
- 112.4712 m
- Hole Depth
- 183.4896 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147984.464
- Northing
- 366700.0488
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1383.7944 m
- Azimuth
- 144 °
- Dip
- -47 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a weak copper grade (0.22%) for a porphyry open pit deposit, but a weak grade-thickness product (24.74 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.22”
Context: 369
ZND0023Zonia Copper Project · copperGrade: 0.3Grade Unit: %Intercept: 9.144 mView all detailsHide details
Identity
- Hole ID
- ZND0023
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 9.144 m
- True Width
- 9.144 m
- From
- 0 m
- To
- 9.144 m
- Hole Depth
- 183.4896 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147984.464
- Northing
- 366700.0488
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1383.7944 m
- Azimuth
- 144 °
- Dip
- -47 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.30%) for a porphyry open pit deposit, but a weak grade-thickness product (2.74 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.30”
Context: 30
ZND0023Zonia Copper Project · copperGrade: 0.27Grade Unit: %Intercept: 39.624 mView all detailsHide details
Identity
- Hole ID
- ZND0023
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.27
- Grade Unit
- %
- Intercept
- 39.624 m
- True Width
- 39.624 m
- From
- 30.48 m
- To
- 82.296 m
- Hole Depth
- 183.4896 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147984.464
- Northing
- 366700.0488
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1383.7944 m
- Azimuth
- 144 °
- Dip
- -47 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.27%) for a porphyry open pit deposit, but a weak grade-thickness product (10.70 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.27”
Context: 130
ZND0024Zonia Copper Project · copperGrade: 0.21Grade Unit: %Intercept: 92.6592 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- ZND0024
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.21
- Grade Unit
- %
- Intercept
- 92.6592 m
- True Width
- 92.6592 m
- From
- 132.8928 m
- To
- 225.552 m
- Hole Depth
- 234.9912 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148400.072
- Northing
- 367399.9776
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1347.8256 m
- Azimuth
- 137 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a weak copper grade (0.21%) and weak grade-thickness product (19.46 %m) for a porphyry open pit deposit.
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.21”
Context: 304
ZND0024Zonia Copper Project · copperGrade: 0.28Grade Unit: %Intercept: 27.432 mView all detailsHide details
Identity
- Hole ID
- ZND0024
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.28
- Grade Unit
- %
- Intercept
- 27.432 m
- True Width
- 27.432 m
- From
- 153.0096 m
- To
- 180.4416 m
- Hole Depth
- 234.9912 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148400.072
- Northing
- 367399.9776
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1347.8256 m
- Azimuth
- 137 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.28%) for a porphyry open pit deposit, but a weak grade-thickness product (7.68 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.28”
Context: 90
ZND0024Zonia Copper Project · copperGrade: 0.33Grade Unit: %Intercept: 12.192 mView all detailsHide details
Identity
- Hole ID
- ZND0024
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.33
- Grade Unit
- %
- Intercept
- 12.192 m
- True Width
- 12.192 m
- From
- 198.12 m
- To
- 210.312 m
- Hole Depth
- 234.9912 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148400.072
- Northing
- 367399.9776
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1347.8256 m
- Azimuth
- 137 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.33%) for a porphyry open pit deposit, but a weak grade-thickness product (4.02 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.33”
Context: 40
ZND0026Zonia Copper Project · copperGrade: 0.2Grade Unit: %Intercept: 157.8864 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- ZND0026
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 157.8864 m
- True Width
- 157.8864 m
- From
- 42.672 m
- To
- 200.5584 m
- Hole Depth
- 241.3968 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148163.016
- Northing
- 367330.02
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1332.5856 m
- Azimuth
- 133 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a weak copper grade (0.20%) and weak grade-thickness product (31.58 %m) for a porphyry open pit deposit.
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.20”
Context: 518
ZND0026Zonia Copper Project · copperGrade: 0.31Grade Unit: %Intercept: 17.3736 mView all detailsHide details
Identity
- Hole ID
- ZND0026
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 17.3736 m
- True Width
- 17.3736 m
- From
- 118.872 m
- To
- 136.2456 m
- Hole Depth
- 241.3968 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148163.016
- Northing
- 367330.02
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1332.5856 m
- Azimuth
- 133 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.31%) for a porphyry open pit deposit, but a weak grade-thickness product (5.39 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.31”
Context: 57
ZND0026Zonia Copper Project · copperGrade: 0.32Grade Unit: %Intercept: 22.2504 mView all detailsHide details
Identity
- Hole ID
- ZND0026
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.32
- Grade Unit
- %
- Intercept
- 22.2504 m
- True Width
- 22.2504 m
- From
- 146.6088 m
- To
- 168.8592 m
- Hole Depth
- 241.3968 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 148163.016
- Northing
- 367330.02
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1332.5856 m
- Azimuth
- 133 °
- Dip
- -48 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.32%) for a porphyry open pit deposit, but a weak grade-thickness product (7.12 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.32”
Context: 73
ZND0027Zonia Copper Project · copperGrade: 0.28Grade Unit: %Intercept: 212.4456 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- ZND0027
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.28
- Grade Unit
- %
- Intercept
- 212.4456 m
- True Width
- 212.4456 m
- From
- 58.2168 m
- To
- 270.9672 m
- Hole Depth
- 414.2232 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147428.064
- Northing
- 366600.0432
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1427.6832 m
- Azimuth
- 130 °
- Dip
- -45 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a moderate copper grade (0.28%) for a porphyry open pit deposit, but a weak grade-thickness product (59.48 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.28”
Context: 697
ZND0027Zonia Copper Project · copperGrade: 0.47Grade Unit: %Intercept: 51.816 mView all detailsHide details
Identity
- Hole ID
- ZND0027
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.47
- Grade Unit
- %
- Intercept
- 51.816 m
- True Width
- 51.816 m
- From
- 79.248 m
- To
- 131.064 m
- Hole Depth
- 414.2232 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147428.064
- Northing
- 366600.0432
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1427.6832 m
- Azimuth
- 130 °
- Dip
- -45 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade (0.47%) for a porphyry open pit deposit, but a weak grade-thickness product (24.35 %m).
Positive factors
- grade_above_average
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.47”
Context: 170
ZND0027Zonia Copper Project · copperGrade: 0.37Grade Unit: %Intercept: 54.864 mView all detailsHide details
Identity
- Hole ID
- ZND0027
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.37
- Grade Unit
- %
- Intercept
- 54.864 m
- True Width
- 54.864 m
- From
- 216.1032 m
- To
- 270.9672 m
- Hole Depth
- 414.2232 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
Location
- Easting
- 147428.064
- Northing
- 366600.0432
- CRS
- Arizona State Plane (EPSG:2223)
- EPSG
- 2223
- Elevation
- 1427.6832 m
- Azimuth
- 130 °
- Dip
- -45 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a moderate copper grade (0.37%) for a porphyry open pit deposit, but a weak grade-thickness product (20.30 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.37”
Context: 180
ZND0049Zonia Copper Project · copperGrade: 0.27Grade Unit: %Intercept: 168.8592 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- ZND0049
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.27
- Grade Unit
- %
- Intercept
- 168.8592 m
- True Width
- 168.8592 m
- From
- 0 m
- To
- 168.8592 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This intercept shows a moderate copper grade (0.27%) for a porphyry open pit deposit, but a weak grade-thickness product (45.60 %m).
Positive factors
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.27”
Context: 554
ZND0049Zonia Copper Project · copperGrade: 0.4Grade Unit: %Intercept: 60.6552 mView all detailsHide details
Identity
- Hole ID
- ZND0049
- Project
- Zonia Copper Project
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- EDCU
Geometry
- Grade
- 0.4
- Grade Unit
- %
- Intercept
- 60.6552 m
- True Width
- 60.6552 m
- From
- 26.2128 m
- To
- 86.868 m
Classification
- Deposit Type
- porphyry
- Program
- mixed
- Sample Type
- drill
- Mining Method
- open_pit
QA/QC
- Laboratory
- Skyline Assayers and Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- %
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade (0.40%) for a porphyry open pit deposit, but a weak grade-thickness product (24.26 %m).
Positive factors
- grade_above_average
- true_width_disclosed
- qaqc_disclosed
- qp_signed
- compositing_transparent
Evidence · table
“0.40”
Context: 199
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.