Edge Copper Reports Broad Infill Copper Intercepts as Zonia Program Transitions to Deposit-Extent Drilling
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
- Extracted
- 2026-09-19 18:39:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Edge Copper reports broad infill copper intercepts from its Zonia Copper Project in Arizona, reinforcing the continuity of the oxide system. The company is now transitioning its drill program to test the deposit's extents, with results supporting future resource expansion and conversion of Inferred Mineral Resources. The release highlights strong copper grades over significant widths, with robust QA/QC procedures and a Qualified Person sign-off.
Reasoning: The drill results show broad, continuous copper mineralization, reinforcing the existing resource model and indicating potential for expansion. The company is transitioning to deposit-extent drilling, which is a positive step for future growth. Strong QA/QC disclosure adds credibility to the results. The interpretation of approximate true thickness is a minor caveat.
Positive factors
- Broad infill copper intercepts reinforce continuity of the oxide system.
- Drilling is transitioning to deposit-extent exploration, indicating potential for resource expansion.
- QA/QC procedures are well-documented, including certified lab and QP sign-off.
- Intervals are interpreted to represent approximate true thicknesses.
Negative factors
- No true width explicitly stated, only 'approximate true thicknesses' based on interpretation.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 19
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release includes detailed QA/QC procedures such as the insertion of certified reference materials, blanks, and duplicate samples, and mentions that Skyline Assayers and Laboratories is accredited and independent.
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. The Company also conducts ongoing reviews of laboratory QA/QC performance to ensure analytical reliability and accuracy. Assay samples were picked up directly from site by Skyline Assayers and Laboratories ("Skyline") and transported to Skyline's laboratory facility in Tucson, Arizona for preparation and analysis. Skyline is accredited and independent of the Company.”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The document states that 'intervals reported in this news release 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.”
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: The document clearly states that 'Significant intervals reported in this news release 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.”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The document states that 'The holes reported today were drilled primarily as infill within the current mineral resource area' and 'The reported holes are distributed across the existing resource footprint and were designed principally to test continuity, grade distribution and geological interpretation within areas currently classified as Inferred Mineral Resources.'
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 'moving the rigs systematically around the deposit perimeter to define the hanging wall and footwall from surface to depth and to test the system along strike, up dip and down dip.'
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.”
Extracted facts
Stored fact records: 19. Some facts used in scoring do not have a stored record.
Drill Results (19)
ZND0010Zonia · copperGrade: 0.22Grade Unit: %Intercept: 72.2376 mView all detailsHide details
Identity
- Hole ID
- ZND0010
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 6.096 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0010:6.096-78.3336
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486156
- Northing
- 1204978
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1301.8568 m
- Azimuth
- 120 °
- Dip
- -58 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This infill intercept reinforces continuity within the known resource area with a moderate copper grade over a significant width, contributing to resource confidence.
Positive factors
- Broad intercept length.
- Grade is moderate for a porphyry copper deposit.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.22”
Context: 237
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 72.2376
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0012Zonia · copperGrade: 0.19Grade Unit: %Intercept: 86.5632 mView all detailsHide details
Identity
- Hole ID
- ZND0012
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 36.2712 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0012:36.2712-122.8344
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 484450
- Northing
- 1202030
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1335.6336 m
- Azimuth
- 132 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This infill intercept shows a moderate copper grade over a significant width, contributing to the understanding of the resource continuity.
Positive factors
- Broad intercept length.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.19”
Context: 284
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 86.5632
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0012Zonia · copperGrade: 0.3Grade Unit: %Intercept: 20.7264 mView all detailsHide details
Identity
- Hole ID
- ZND0012
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 36.2712 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0012:98.1456-118.872
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 484450
- Northing
- 1202030
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1335.6336 m
- Azimuth
- 132 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0012 shows a stronger copper grade, indicating a higher-grade zone within the broader mineralization.
Positive factors
- Higher grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.30”
Context: 68
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 20.7264
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0016ZoniaView all detailsHide details
Identity
- Hole ID
- ZND0016
- Project
- Zonia
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Hole Depth
- 271.5768 m
Classification
- Program
- mixed
- Sample Type
- drill
- Mining Method
- unknown
Location
- Location
- infill within the current mineral resource area
- Easting
- 481027
- Northing
- 1199561
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1450.5432 m
- Azimuth
- 120 °
- Dip
- -45 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This hole did not return any significant intercepts, indicating either a barren zone or a need for further geological understanding in this area.
Negative factors
- No significant mineralization encountered.
Evidence · table
“No Significant Interval”
Context: No Significant Interval
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0018Zonia · copperGrade: 0.4Grade Unit: %Intercept: 23.7744 mView all detailsHide details
Identity
- Hole ID
- ZND0018
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 0 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0018:0-23.7744
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 482144
- Northing
- 1200457
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1433.1936 m
- Azimuth
- 124 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This near-surface intercept shows a strong copper grade, which is positive for potential open-pit mining scenarios and resource confidence.
Positive factors
- High-grade near-surface intercept.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.40”
Context: 78
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 23.7744
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0023Zonia · copperGrade: 0.22Grade Unit: %Intercept: 112.4712 mView all detailsHide details
Identity
- Hole ID
- ZND0023
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 0 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0023:0-112.4712
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 485303
- Northing
- 1203136
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1383.7944 m
- Azimuth
- 144 °
- Dip
- -47 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This broad near-surface intercept with a moderate copper grade supports the continuity of the oxide system and is favorable for open-pit potential.
Positive factors
- Broad near-surface intercept.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.22”
Context: 369
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 112.4712
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0023Zonia · copperGrade: 0.3Grade Unit: %Intercept: 9.144 mView all detailsHide details
Identity
- Hole ID
- ZND0023
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 0 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0023:0-9.144
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 485303
- Northing
- 1203136
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1383.7944 m
- Azimuth
- 144 °
- Dip
- -47 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0023 shows a stronger copper grade near surface, enhancing the overall prospectivity of the broader intercept.
Positive factors
- Higher grade sub-interval near surface.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.30”
Context: 30
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 9.144
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0023Zonia · copperGrade: 0.27Grade Unit: %Intercept: 39.624 mView all detailsHide details
Identity
- Hole ID
- ZND0023
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 0 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0023:30.48-82.296
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 485303
- Northing
- 1203136
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1383.7944 m
- Azimuth
- 144 °
- Dip
- -47 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0023 shows a stronger copper grade over a good width, further supporting the quality of the mineralization.
Positive factors
- Higher grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.27”
Context: 130
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 39.624
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0024Zonia · copperGrade: 0.21Grade Unit: %Intercept: 92.6688 mView all detailsHide details
Identity
- Hole ID
- ZND0024
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.21
- Grade Unit
- %
- Intercept
- 92.6688 m
- True Width
- 92.6688 m
- From
- 132.8928 m
- To
- 225.552 m
- Hole Depth
- 234.9408 m
- Intercept Depth
- 132.8928 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0024:132.8928-225.552
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486904
- Northing
- 1205352
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1347.8256 m
- Azimuth
- 137 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This broad intercept with a moderate copper grade contributes to the understanding of the resource continuity at depth.
Positive factors
- Broad intercept length.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.21”
Context: 304
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 92.6688
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0024Zonia · copperGrade: 0.28Grade Unit: %Intercept: 27.432 mView all detailsHide details
Identity
- Hole ID
- ZND0024
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- 234.9408 m
- Intercept Depth
- 132.8928 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0024:153.0096-180.4416
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486904
- Northing
- 1205352
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1347.8256 m
- Azimuth
- 137 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0024 shows a stronger copper grade, indicating a higher-grade zone within the broader mineralization.
Positive factors
- Higher grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.28”
Context: 90
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 27.432
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0024Zonia · copperGrade: 0.33Grade Unit: %Intercept: 12.192 mView all detailsHide details
Identity
- Hole ID
- ZND0024
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- 234.9408 m
- Intercept Depth
- 132.8928 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0024:198.12-210.312
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486904
- Northing
- 1205352
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1347.8256 m
- Azimuth
- 137 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0024 shows a stronger copper grade, further supporting the quality of the mineralization at depth.
Positive factors
- Higher grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.33”
Context: 40
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 12.192
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0026Zonia · copperGrade: 0.2Grade Unit: %Intercept: 157.8864 mView all detailsHide details
Identity
- Hole ID
- ZND0026
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- 241.4016 m
- Intercept Depth
- 42.672 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0026:42.672-200.5584
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486095
- Northing
- 1205175
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1332.5856 m
- Azimuth
- 133 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This very broad intercept with a moderate copper grade significantly reinforces the continuity of the oxide system, which is positive for resource confidence.
Positive factors
- Very broad intercept length.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.20”
Context: 518
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 157.8864
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0026Zonia · copperGrade: 0.31Grade Unit: %Intercept: 17.3736 mView all detailsHide details
Identity
- Hole ID
- ZND0026
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- 241.4016 m
- Intercept Depth
- 42.672 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0026:118.872-136.2456
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486095
- Northing
- 1205175
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1332.5856 m
- Azimuth
- 133 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0026 shows a stronger copper grade, indicating a higher-grade zone within the broader mineralization.
Positive factors
- Higher grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.31”
Context: 57
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 17.3736
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0026Zonia · copperGrade: 0.32Grade Unit: %Intercept: 22.2504 mView all detailsHide details
Identity
- Hole ID
- ZND0026
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.32
- Grade Unit
- %
- Intercept
- 22.2504 m
- True Width
- 22.2504 m
- From
- 146.6088 m
- To
- 168.8688 m
- Hole Depth
- 241.4016 m
- Intercept Depth
- 42.672 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0026:146.6088-168.8688
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 486095
- Northing
- 1205175
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1332.5856 m
- Azimuth
- 133 °
- Dip
- -48 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0026 shows a stronger copper grade, further supporting the quality of the mineralization.
Positive factors
- Higher grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.32”
Context: 73
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 22.2504
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0027Zonia · copperGrade: 0.28Grade Unit: %Intercept: 212.4456 mView all detailsHide details
Identity
- Hole ID
- ZND0027
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.28
- Grade Unit
- %
- Intercept
- 212.4456 m
- True Width
- 212.4456 m
- From
- 58.2168 m
- To
- 271.0992 m
- Hole Depth
- 414.2232 m
- Intercept Depth
- 58.2168 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0027:58.2168-271.0992
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 483668
- Northing
- 1202784
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1427.6352 m
- Azimuth
- 130 °
- Dip
- -45 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This very broad intercept with a strong copper grade is highly positive for reinforcing the continuity and quality of the oxide system, supporting resource confidence.
Positive factors
- Very broad intercept length.
- Strong copper grade.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.28”
Context: 697
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 212.4456
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0027Zonia · copperGrade: 0.47Grade Unit: %Intercept: 51.816 mView all detailsHide details
Identity
- Hole ID
- ZND0027
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 58.2168 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0027:79.248-131.064
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 483668
- Northing
- 1202784
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1427.6352 m
- Azimuth
- 130 °
- Dip
- -45 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0027 shows an exceptional copper grade over a significant width, highlighting a high-quality zone within the broader mineralization.
Positive factors
- Very high-grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.47”
Context: 170
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 51.816
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0027Zonia · copperGrade: 0.37Grade Unit: %Intercept: 54.864 mView all detailsHide details
Identity
- Hole ID
- ZND0027
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.37
- Grade Unit
- %
- Intercept
- 54.864 m
- True Width
- 54.864 m
- From
- 216.1032 m
- To
- 271.0992 m
- Hole Depth
- 414.2232 m
- Intercept Depth
- 58.2168 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0027:216.1032-271.0992
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- Easting
- 483668
- Northing
- 1202784
- CRS
- Arizona State Plane
- EPSG
- 2223
- Elevation
- 1427.6352 m
- Azimuth
- 130 °
- Dip
- -45 °
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0027 shows a strong copper grade over a good width, further supporting the quality of the mineralization.
Positive factors
- Strong grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.37”
Context: 180
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 54.864
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0049Zonia · copperGrade: 0.27Grade Unit: %Intercept: 168.8688 mView all detailsHide details
Identity
- Hole ID
- ZND0049
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- EDCU
Geometry
- Grade
- 0.27
- Grade Unit
- %
- Intercept
- 168.8688 m
- True Width
- 168.8688 m
- From
- 0 m
- To
- 168.8688 m
- Intercept Depth
- 0 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0049:0-168.8688
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- EPSG
- 2223
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This very broad near-surface intercept with a strong copper grade is highly positive, indicating significant mineralization from surface and supporting resource expansion potential.
Positive factors
- Very broad near-surface intercept.
- Strong copper grade.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.27”
Context: 554
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 168.8688
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
ZND0049Zonia · copperGrade: 0.4Grade Unit: %Intercept: 60.6552 mView all detailsHide details
Identity
- Hole ID
- ZND0049
- Project
- Zonia
- Commodity
- copper
- Region
- usa_az
- Reported Region
- usa_az
- 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
- Intercept Depth
- 0 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- ZND0049:26.2128-86.868
- Mining Method
- open_pit
Location
- Location
- infill within the current mineral resource area
- EPSG
- 2223
- 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
- 2026-07-08T00:00:00.000Z
Reasoning: This sub-interval within ZND0049 shows an exceptional copper grade over a significant width, further enhancing the overall prospectivity of the near-surface mineralization.
Positive factors
- Very high-grade sub-interval.
- True width is interpreted to be approximate to intercept length.
Evidence · table
“0.40”
Context: 199
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 60.6552
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"
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Although the structural controls are increasingly well understood, the extent of mineralization along and adjacent to th"
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.