# Edge Copper Initial Drilling Confirms Broad Oxide Copper Mineralization and Expansion Potential at Zonia

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d

Original source: https://money.tmx.com/en/quote/EDCU/news/6751543300108455/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa

Publisher: tmx

Original announcement: 2026-05-19T14:24:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- 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

Narrative sentiment: 0.70 · Bullish

## Minestarters Atlas 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 factor: Initial drilling confirms broad, near-surface oxide copper mineralization, extending beyond the current pit shell.

- Positive factor: Several significant intercepts with good grades and widths for oxide copper porphyry deposits.

- Positive factor: Drilling supports resource conversion \(inferred to indicated\) and identifies expansion potential along strike and laterally.

- Positive factor: True width is interpreted to be approximate true thickness due to drill orientation.

- Positive factor: Comprehensive QA/QC procedures are disclosed, including certified lab and QP sign-off.

- Positive factor: Metallurgical program is underway to further evaluate copper solubility and recovery characteristics.

- Negative factor: No true width explicitly stated, only 'approximate true thicknesses' interpreted.

- Negative factor: 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 Extension**

Polarity: positive

Definition: 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 Drilling**

Polarity: neutral

Definition: 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 Disclosed**

Polarity: positive

Definition: 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 Disclosed**

Polarity: positive

Definition: 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 Signed**

Polarity: positive

Story-specific tag

Definition: 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 Transparent**

Polarity: positive

Definition: 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 Route**

Polarity: neutral

Definition: 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)

### ZND0001

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-0)

Zonia · copper

#### 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 factor: Broad intercept length for oxide copper.

- Positive factor: Part of initial drilling confirming mineralization.

Evidence · table

> 0.21

Context: 122

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0002

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-1)

Zonia · copper

#### 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 factor: Broad, shallow intercept confirming continuity of near-surface mineralization.

- Positive factor: Supports inferred-to-indicated resource conversion.

Evidence · table

> 0.25

Context: 306

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0002

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-2)

Zonia · copper

#### 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 factor: Higher grade within a broader intercept, indicating good quality mineralization.

Evidence · table

> 0.38

Context: 78

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0003

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-3)

Zonia · copper

#### 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 factor: High-grade intercept for oxide copper porphyry.

- Positive factor: Extends mineralization beyond the current pit shell.

- Positive factor: 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 Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0004

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-4)

Zonia

#### 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 factor: No significant intercepts reported.

Evidence · table

> No significant intercepts

Context: No significant intercepts

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0006

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-5)

Zonia · copper

#### 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 factor: Broad intercept length for oxide copper.

Evidence · table

> 0.21

Context: 356

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0006

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-6)

Zonia · copper

#### 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 factor: Higher grade within a broader intercept, indicating good quality mineralization.

Evidence · table

> 0.31

Context: 90

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0007

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-7)

Zonia · copper

#### 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 factor: Confirms near-surface oxide copper mineralization.

Evidence · table

> 0.19

Context: 73

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0009

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-8)

Zonia · copper

#### 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 factor: Broad intercept confirming continuity of the oxide copper mineralized zone.

- Positive factor: Supports inferred-to-indicated resource conversion.

Evidence · table

> 0.29

Context: 236

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0009

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-9)

Zonia · copper

#### 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 factor: Higher grade within a broader intercept, indicating good quality mineralization.

Evidence · table

> 0.43

Context: 90

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0013

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-10)

Zonia · copper

#### 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 factor: Confirms oxide copper mineralization.

Evidence · table

> 0.22

Context: 120

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0014

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-11)

Zonia · copper

#### 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 factor: Very broad intercept length for oxide copper.

- Positive factor: 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 Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0014

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-12)

Zonia · copper

#### 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 factor: Higher grade within a broader intercept, indicating good quality mineralization.

Evidence · table

> 0.34

Context: 77

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0014

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-13)

Zonia · copper

#### 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 factor: Higher grade within a broader intercept, indicating good quality mineralization.

Evidence · table

> 0.36

Context: 174

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0015

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-14)

Zonia · copper

#### 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 factor: Confirms oxide copper mineralization.

Evidence · table

> 0.14

Context: 37

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0019

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-15)

Zonia · copper

#### 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 factor: Broad, shallow intercept confirming continuity of near-surface mineralization.

- Positive factor: Supports inferred-to-indicated resource conversion.

Evidence · table

> 0.22

Context: 264

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

### ZND0019

[Link to this fact](https://atlas-extractions.minestarters.com/news/edge-copper-initial-drilling-confirms-broad-oxide-copper-mineralization-and-expa--bb1b83ee-0653-4e71-9a84-594bbbac136d#fact-drill-facts-16)

Zonia · copper

#### 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 factor: Higher grade within a broader intercept, indicating good quality mineralization.

Evidence · table

> 0.45

Context: 67

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: 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.