# New High-Grade Domain Discovered at Cuffley

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91

Original source: https://www.globenewswire.com/news-release/2026/08/24/3349432/0/en/new-high-grade-domain-discovered-at-cuffley.html

Publisher: globenewswire

Original announcement: 2026-08-24T00:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Alkane Resources Limited

- Ticker: ALK

- Exchange: Unavailable

- Region: Victoria, Australia

- Primary commodity: Gold

- Secondary commodities: Antimony

- Document categories: Drill results

- Extracted: 2026-08-24 00:37:37 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

Alkane Resources Limited has announced the discovery of a new high-grade gold-antimony domain at Cuffley, with bonanza intercepts including 580.9 g/t gold and 24% antimony over 0.61m. Additional high-grade infill and target testing results were reported from the Sub-KC domain. The new Cuffley zone is readily accessible and has been incorporated into the mine schedule, highlighting significant potential for resource growth.

Reasoning: Alkane Resources Limited announced bonanza-grade gold and antimony intercepts from a newly discovered high-grade domain at Cuffley and infill/target testing drilling at Sub-KC, with the Cuffley results being incorporated into the mine schedule. The results are supported by robust JORC-compliant QA/QC and QP sign-off, indicating high confidence in the data, despite some historical results being included.

- Positive factor: Bonanza intercepts reported for gold and antimony

- Positive factor: New high-grade domain discovered at Cuffley, integrated into mine plan

- Positive factor: True width disclosed for all reported intercepts

- Positive factor: Comprehensive QA/QC procedures and certified laboratory used

- Positive factor: Qualified Person \(CP\) sign-off on exploration results

- Negative factor: Metal equivalent calculation uses future predicted prices \(2025\) and recoveries

- Negative factor: Some reported intercepts are very narrow, requiring high grades for economic viability

- Negative factor: Some drill results are historical \(2024-2025\) but reported as part of the 'latest exploration results'

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 100

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 100. Some facts used in scoring do not have a stored record.

## Drill Results (100)

### AD265

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-0)

Costerfield · gold

#### Identity

- Hole ID: AD265
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 168.9
- Grade Unit: g/t
- Intercept: 0.9 m
- True Width: 0.78 m
- From: 78.31 m
- To: 79.21 m
- Hole Depth: 140.1 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD265:78.31-79.21
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 314.1 °
- Dip: -0.3 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 107.4
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 168.9 g/t over a significant true width of 0.78m, contributing to a new high-grade domain discovery.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD265

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-1)

Costerfield · antimony

#### Identity

- Hole ID: AD265
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 33.5
- Grade Unit: %
- Intercept: 0.9 m
- True Width: 0.78 m
- From: 78.31 m
- To: 79.21 m
- Hole Depth: 140.1 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD265:78.31-79.21
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 314.1 °
- Dip: -0.3 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 33.5% over a true width of 0.78m, contributing to the overall high-grade nature of the discovery.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD266

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-2)

Costerfield · gold

#### Identity

- Hole ID: AD266
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 6.7
- Grade Unit: g/t
- Intercept: 1.2 m
- True Width: 0.88 m
- From: 97.5 m
- To: 98.7 m
- Hole Depth: 129 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD266:97.50-98.70
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 323.1 °
- Dip: -12.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 6.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 6.7 g/t over a true width of 0.88m, indicating good mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD266

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-3)

Costerfield · antimony

#### Identity

- Hole ID: AD266
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 2.4
- Grade Unit: %
- Intercept: 1.2 m
- True Width: 0.88 m
- From: 97.5 m
- To: 98.7 m
- Hole Depth: 129 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD266:97.50-98.70
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 323.1 °
- Dip: -12.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 2.4% over a true width of 0.88m, contributing to the overall mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD270

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-4)

Costerfield · gold

#### Identity

- Hole ID: AD270
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 580.9
- Grade Unit: g/t
- Intercept: 0.61 m
- True Width: 0.54 m
- From: 75.7 m
- To: 76.31 m
- Hole Depth: 121.73 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD270:75.70-76.31
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4801
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 308.1 °
- Dip: 14.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 192
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 580.9 g/t over a true width of 0.54m, representing a bonanza intercept in the new high-grade domain.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD270

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-5)

Costerfield · antimony

#### Identity

- Hole ID: AD270
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 24
- Grade Unit: %
- Intercept: 0.61 m
- True Width: 0.54 m
- From: 75.7 m
- To: 76.31 m
- Hole Depth: 121.73 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD270:75.70-76.31
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4801
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 308.1 °
- Dip: 14.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 24.0% over a true width of 0.54m, significantly contributing to the bonanza intercept.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD270

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-6)

Costerfield · gold

#### Identity

- Hole ID: AD270
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1360
- Grade Unit: g/t
- Intercept: 0.25 m
- True Width: 0.2 m
- From: 76.06 m
- To: 76.31 m
- Hole Depth: 121.73 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD270:76.06-76.31
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4801
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 308.1 °
- Dip: 14.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Extremely high gold grade of 1360.0 g/t over a narrow true width of 0.20m, representing a bonanza sub-interval within the main intercept.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD270

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-7)

Costerfield · antimony

#### Identity

- Hole ID: AD270
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 19.7
- Grade Unit: %
- Intercept: 0.25 m
- True Width: 0.2 m
- From: 76.06 m
- To: 76.31 m
- Hole Depth: 121.73 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD270:76.06-76.31
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4801
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 308.1 °
- Dip: 14.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 19.7% over a true width of 0.20m, contributing to the bonanza sub-interval.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD272

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-8)

Costerfield · gold

#### Identity

- Hole ID: AD272
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 0.37 m
- True Width: 0.29 m
- From: 80.59 m
- To: 80.96 m
- Hole Depth: 118.24 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD272:80.59-80.96
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4802
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 321.4 °
- Dip: 9.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren gold intercept with 0.0 g/t Au over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### AD272

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-9)

Costerfield · antimony

#### Identity

- Hole ID: AD272
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.37 m
- True Width: 0.29 m
- From: 80.59 m
- To: 80.96 m
- Hole Depth: 118.24 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD272:80.59-80.96
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4802
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 321.4 °
- Dip: 9.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### AD273

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-10)

Costerfield · gold

#### Identity

- Hole ID: AD273
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 4.2
- Grade Unit: g/t
- Intercept: 0.16 m
- True Width: 0.13 m
- From: 89.53 m
- To: 89.69 m
- Hole Depth: 137.16 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD273:89.53-89.69
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 321.7 °
- Dip: -6.5 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.5
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 4.2 g/t over a very narrow true width of 0.13m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD273

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-11)

Costerfield · antimony

#### Identity

- Hole ID: AD273
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 0.16 m
- True Width: 0.13 m
- From: 89.53 m
- To: 89.69 m
- Hole Depth: 137.16 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD273:89.53-89.69
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 321.7 °
- Dip: -6.5 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 1.2% over a very narrow true width of 0.13m, contributing to the overall mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD274

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-12)

Costerfield · gold

#### Identity

- Hole ID: AD274
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.8
- Grade Unit: g/t
- Intercept: 0.14 m
- True Width: 0.13 m
- From: 72.42 m
- To: 72.56 m
- Hole Depth: 104.3 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD274:72.42-72.56
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4799
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 274.9 °
- Dip: 17.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.5
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak gold grade of 0.8 g/t over a very narrow true width of 0.13m, indicating minor mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD274

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-13)

Costerfield · antimony

#### Identity

- Hole ID: AD274
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 2.4
- Grade Unit: %
- Intercept: 0.14 m
- True Width: 0.13 m
- From: 72.42 m
- To: 72.56 m
- Hole Depth: 104.3 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD274:72.42-72.56
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4799
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 274.9 °
- Dip: 17.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 2.4% over a very narrow true width of 0.13m, contributing to the overall mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD275

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-14)

Costerfield · gold

#### Identity

- Hole ID: AD275
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 124
- Grade Unit: g/t
- Intercept: 0.23 m
- True Width: 0.22 m
- From: 76.11 m
- To: 76.34 m
- Hole Depth: 121.79 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD275:76.11-76.34
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 301.8 °
- Dip: -2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 28.8
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 124.0 g/t over a true width of 0.22m, representing a bonanza intercept in the new high-grade domain.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD275

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-15)

Costerfield · antimony

#### Identity

- Hole ID: AD275
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 48.6
- Grade Unit: %
- Intercept: 0.23 m
- True Width: 0.22 m
- From: 76.11 m
- To: 76.34 m
- Hole Depth: 121.79 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD275:76.11-76.34
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 301.8 °
- Dip: -2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Extremely high antimony grade of 48.6% over a true width of 0.22m, significantly contributing to the bonanza intercept.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD276

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-16)

Costerfield · gold

#### Identity

- Hole ID: AD276
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 0.17 m
- True Width: 0.14 m
- From: 80.78 m
- To: 80.95 m
- Hole Depth: 95.2 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD276:80.78-80.95
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 310.7 °
- Dip: -9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak gold grade of 0.5 g/t over a very narrow true width of 0.14m, indicating minor mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD276

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-17)

Costerfield · antimony

#### Identity

- Hole ID: AD276
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.17 m
- True Width: 0.14 m
- From: 80.78 m
- To: 80.95 m
- Hole Depth: 95.2 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD276:80.78-80.95
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 310.7 °
- Dip: -9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### AD277

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-18)

Costerfield · gold

#### Identity

- Hole ID: AD277
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 17.8
- Grade Unit: g/t
- Intercept: 0.38 m
- True Width: 0.33 m
- From: 80.65 m
- To: 81.03 m
- Hole Depth: 156.09 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD277:80.65-81.03
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 305.2 °
- Dip: 24 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 3.6
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 17.8 g/t over a true width of 0.33m, indicating good mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD277

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-19)

Costerfield · antimony

#### Identity

- Hole ID: AD277
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 0.38 m
- True Width: 0.33 m
- From: 80.65 m
- To: 81.03 m
- Hole Depth: 156.09 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD277:80.65-81.03
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 305.2 °
- Dip: 24 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak antimony grade of 0.9% over a true width of 0.33m, indicating minor mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD278

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-20)

Costerfield · gold

#### Identity

- Hole ID: AD278
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 6.9
- Grade Unit: g/t
- Intercept: 0.65 m
- True Width: 0.61 m
- From: 73.81 m
- To: 74.46 m
- Hole Depth: 145.91 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD278:73.81-74.46
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4801
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 291.2 °
- Dip: 21 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 3.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 6.9 g/t over a true width of 0.61m, indicating good mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD278

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-21)

Costerfield · antimony

#### Identity

- Hole ID: AD278
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 0.65 m
- True Width: 0.61 m
- From: 73.81 m
- To: 74.46 m
- Hole Depth: 145.91 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD278:73.81-74.46
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4801
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 291.2 °
- Dip: 21 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak antimony grade of 0.9% over a true width of 0.61m, indicating minor mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD283

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-22)

Costerfield · gold

#### Identity

- Hole ID: AD283
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 0.5 m
- True Width: 0.41 m
- From: 82.52 m
- To: 83.02 m
- Hole Depth: 164.6 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD283:82.52-83.02
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 316.9 °
- Dip: -10 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak gold grade of 0.1 g/t over a true width of 0.41m, indicating no significant mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD283

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-23)

Costerfield · antimony

#### Identity

- Hole ID: AD283
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.5 m
- True Width: 0.41 m
- From: 82.52 m
- To: 83.02 m
- Hole Depth: 164.6 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD283:82.52-83.02
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 316.9 °
- Dip: -10 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak antimony grade of 0.1% over a true width of 0.41m, indicating no significant mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD286

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-24)

Costerfield · gold

#### Identity

- Hole ID: AD286
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 0.32 m
- True Width: 0.26 m
- From: 81.76 m
- To: 82.08 m
- Hole Depth: 157.77 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD286:81.76-82.08
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 970 m
- Azimuth: 317.7 °
- Dip: 23.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren gold intercept with 0.0 g/t Au over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### AD286

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-25)

Costerfield · antimony

#### Identity

- Hole ID: AD286
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.32 m
- True Width: 0.26 m
- From: 81.76 m
- To: 82.08 m
- Hole Depth: 157.77 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD286:81.76-82.08
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 970 m
- Azimuth: 317.7 °
- Dip: 23.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### AD290

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-26)

Costerfield · gold

#### Identity

- Hole ID: AD290
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 38.5
- Grade Unit: g/t
- Intercept: 0.12 m
- True Width: 0.07 m
- From: 105.5 m
- To: 105.62 m
- Hole Depth: 186.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD290:105.50-105.62
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 334.9 °
- Dip: -14.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 3.5
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 38.5 g/t over a very narrow true width of 0.07m, indicating high-grade mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD290

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-27)

Costerfield · antimony

#### Identity

- Hole ID: AD290
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 19.1
- Grade Unit: %
- Intercept: 0.12 m
- True Width: 0.07 m
- From: 105.5 m
- To: 105.62 m
- Hole Depth: 186.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD290:105.50-105.62
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 334.9 °
- Dip: -14.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 19.1% over a very narrow true width of 0.07m, contributing to the high-grade mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD292

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-28)

Costerfield · gold

#### Identity

- Hole ID: AD292
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 60.1
- Grade Unit: g/t
- Intercept: 1.26 m
- True Width: 1.17 m
- From: 72.74 m
- To: 74 m
- Hole Depth: 128.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD292:72.74-74.00
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 307.1 °
- Dip: 4.8 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 62.9
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 60.1 g/t over a significant true width of 1.17m, contributing to a new high-grade domain discovery.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD292

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-29)

Costerfield · antimony

#### Identity

- Hole ID: AD292
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 15.2
- Grade Unit: %
- Intercept: 1.26 m
- True Width: 1.17 m
- From: 72.74 m
- To: 74 m
- Hole Depth: 128.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD292:72.74-74.00
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 307.1 °
- Dip: 4.8 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 15.2% over a true width of 1.17m, contributing to the overall high-grade discovery.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Positive factor: New High-Grade Discovery

### AD293

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-30)

Costerfield · gold

#### Identity

- Hole ID: AD293
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 0.26 m
- True Width: 0.18 m
- From: 95.81 m
- To: 96.07 m
- Hole Depth: 122.3 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD293:95.81-96.07
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 331.7 °
- Dip: 6.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren gold intercept with 0.0 g/t Au over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### AD293

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-31)

Costerfield · antimony

#### Identity

- Hole ID: AD293
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.26 m
- True Width: 0.18 m
- From: 95.81 m
- To: 96.07 m
- Hole Depth: 122.3 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD293:95.81-96.07
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 331.7 °
- Dip: 6.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization in this interval.

- Negative factor: Barren Intercept

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-32)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 0.26 m
- True Width: 0.23 m
- From: 503.4 m
- To: 503.66 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:503.40-503.66
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak gold grade of 0.1 g/t over a narrow true width of 0.23m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-33)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.26 m
- True Width: 0.23 m
- From: 503.4 m
- To: 503.66 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:503.40-503.66
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak antimony grade of 0.2% over a narrow true width of 0.23m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-34)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 0.56 m
- True Width: 0.51 m
- From: 496.86 m
- To: 497.42 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:496.86-497.42
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.9
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak gold grade of 0.1 g/t over a true width of 0.51m, indicating minor mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-35)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 0.56 m
- True Width: 0.51 m
- From: 496.86 m
- To: 497.42 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:496.86-497.42
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 1.2% over a true width of 0.51m, indicating some mineralization, and is historical data.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK048

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-36)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK048
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 16.1
- Grade Unit: g/t
- Intercept: 0.37 m
- True Width: 0.34 m
- From: 522.8 m
- To: 523.17 m
- Hole Depth: 752.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK048:522.80-523.17
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4745
- CRS: Costerfield Local Mine Grid
- Elevation: 866 m
- Azimuth: 298.9 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 8.8
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-10-20T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 16.1 g/t over a true width of 0.34m, indicating good mineralization, but is historical data.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK048

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-37)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK048
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 12.7
- Grade Unit: %
- Intercept: 0.37 m
- True Width: 0.34 m
- From: 522.8 m
- To: 523.17 m
- Hole Depth: 752.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK048:522.80-523.17
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4745
- CRS: Costerfield Local Mine Grid
- Elevation: 866 m
- Azimuth: 298.9 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-10-20T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 12.7% over a true width of 0.34m, indicating good mineralization, but is historical data.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK032

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-38)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK032
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 0.18 m
- True Width: 0.15 m
- From: 461.24 m
- To: 461.42 m
- Hole Depth: 899.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK032:461.24-461.42
- Mining Method: underground

#### Location

- Easting: 15301
- Northing: 5035
- CRS: Costerfield Local Mine Grid
- Elevation: 913 m
- Azimuth: 274.9 °
- Dip: -71.5 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2024-02-27T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren gold intercept with 0.0 g/t Au over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK032

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-39)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK032
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.18 m
- True Width: 0.15 m
- From: 461.24 m
- To: 461.42 m
- Hole Depth: 899.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK032:461.24-461.42
- Mining Method: underground

#### Location

- Easting: 15301
- Northing: 5035
- CRS: Costerfield Local Mine Grid
- Elevation: 913 m
- Azimuth: 274.9 °
- Dip: -71.5 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2024-02-27T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK042

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-40)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK042
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 0.22 m
- True Width: 0.2 m
- From: 533.22 m
- To: 533.44 m
- Hole Depth: 667.12 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK042:533.22-533.44
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4758
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 302.4 °
- Dip: -50.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-22T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak gold grade of 0.1 g/t over a narrow true width of 0.20m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK042

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-41)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK042
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.22 m
- True Width: 0.2 m
- From: 533.22 m
- To: 533.44 m
- Hole Depth: 667.12 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK042:533.22-533.44
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4758
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 302.4 °
- Dip: -50.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-22T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-42)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 73.2
- Grade Unit: g/t
- Intercept: 0.19 m
- True Width: 0.18 m
- From: 511.23 m
- To: 511.42 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:511.23-511.42
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 12
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 73.2 g/t over a very narrow true width of 0.18m, indicating high-grade mineralization, but is historical data.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-43)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 18.8
- Grade Unit: %
- Intercept: 0.19 m
- True Width: 0.18 m
- From: 511.23 m
- To: 511.42 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:511.23-511.42
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 18.8% over a very narrow true width of 0.18m, indicating high-grade mineralization, but is historical data.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-44)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1.6
- Grade Unit: g/t
- Intercept: 0.85 m
- True Width: 0.84 m
- From: 504.42 m
- To: 505.27 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:504.42-505.27
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.9
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 1.6 g/t over a true width of 0.84m, indicating some mineralization, but is historical data.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-45)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.85 m
- True Width: 0.84 m
- From: 504.42 m
- To: 505.27 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:504.42-505.27
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak antimony grade of 0.1% over a true width of 0.84m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK046

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-46)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK046
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 0.16 m
- True Width: 0.15 m
- From: 525.64 m
- To: 525.8 m
- Hole Depth: 659.14 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK046:525.64-525.80
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 297.6 °
- Dip: -48.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-26T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak gold grade of 0.3 g/t over a narrow true width of 0.15m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK046

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-47)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK046
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.16 m
- True Width: 0.15 m
- From: 525.64 m
- To: 525.8 m
- Hole Depth: 659.14 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK046:525.64-525.80
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 297.6 °
- Dip: -48.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-26T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK048

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-48)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK048
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 10.6
- Grade Unit: g/t
- Intercept: 0.2 m
- True Width: 0.19 m
- From: 531.03 m
- To: 531.23 m
- Hole Depth: 752.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK048:531.03-531.23
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4745
- CRS: Costerfield Local Mine Grid
- Elevation: 866 m
- Azimuth: 298.9 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 7.6
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-10-20T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 10.6 g/t over a narrow true width of 0.19m, indicating good mineralization, but is historical data.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK048

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-49)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK048
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 26.2
- Grade Unit: %
- Intercept: 0.2 m
- True Width: 0.19 m
- From: 531.03 m
- To: 531.23 m
- Hole Depth: 752.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK048:531.03-531.23
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4745
- CRS: Costerfield Local Mine Grid
- Elevation: 866 m
- Azimuth: 298.9 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-10-20T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 26.2% over a true width of 0.19m, indicating high-grade mineralization, but is historical data.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK042

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-50)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK042
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 0.13 m
- True Width: 0.12 m
- From: 497.87 m
- To: 498 m
- Hole Depth: 667.12 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK042:497.87-498.00
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4758
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 302.4 °
- Dip: -50.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-22T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren gold intercept with 0.0 g/t Au over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK042

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-51)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK042
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.13 m
- True Width: 0.12 m
- From: 497.87 m
- To: 498 m
- Hole Depth: 667.12 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK042:497.87-498.00
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4758
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 302.4 °
- Dip: -50.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-22T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-52)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 3.2
- Grade Unit: g/t
- Intercept: 0.11 m
- True Width: 0.1 m
- From: 491.1 m
- To: 491.21 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:491.10-491.21
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.2
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 3.2 g/t over a very narrow true width of 0.10m, indicating some mineralization, but is historical data.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-53)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.11 m
- True Width: 0.1 m
- From: 491.1 m
- To: 491.21 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:491.10-491.21
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a very narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-54)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1.9
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.3 m
- From: 484.73 m
- To: 485.03 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:484.73-485.03
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.3
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 1.9 g/t over a true width of 0.30m, indicating some mineralization, but is historical data.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-55)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.3 m
- From: 484.73 m
- To: 485.03 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:484.73-485.03
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a true width of 0.30m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK048

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-56)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK048
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 22.9
- Grade Unit: g/t
- Intercept: 0.13 m
- True Width: 0.12 m
- From: 508.43 m
- To: 508.56 m
- Hole Depth: 752.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK048:508.43-508.56
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4745
- CRS: Costerfield Local Mine Grid
- Elevation: 866 m
- Azimuth: 298.9 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 3.4
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-10-20T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 22.9 g/t over a very narrow true width of 0.12m, indicating high-grade mineralization, but is historical data.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK048

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-57)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK048
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 11.3
- Grade Unit: %
- Intercept: 0.13 m
- True Width: 0.12 m
- From: 508.43 m
- To: 508.56 m
- Hole Depth: 752.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK048:508.43-508.56
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4745
- CRS: Costerfield Local Mine Grid
- Elevation: 866 m
- Azimuth: 298.9 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-10-20T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 11.3% over a very narrow true width of 0.12m, indicating high-grade mineralization, but is historical data.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-58)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.7
- Grade Unit: g/t
- Intercept: 1.39 m
- True Width: 1.15 m
- From: 547.7 m
- To: 549.09 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:547.70-549.09
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.8
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak gold grade of 0.7 g/t over a true width of 1.15m, indicating minor mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-59)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 1.39 m
- True Width: 1.15 m
- From: 547.7 m
- To: 549.09 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:547.70-549.09
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak antimony grade of 0.3% over a true width of 1.15m, indicating minor mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-60)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 28.2
- Grade Unit: g/t
- Intercept: 0.99 m
- True Width: 0.82 m
- From: 536.7 m
- To: 537.69 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:536.70-537.69
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 12.9
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 28.2 g/t over a true width of 0.82m, indicating high-grade mineralization, but is historical data.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK044

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-61)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK044
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.99 m
- True Width: 0.82 m
- From: 536.7 m
- To: 537.69 m
- Hole Depth: 668.01 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK044:536.70-537.69
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 280.3 °
- Dip: -48 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a true width of 0.82m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK045

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-62)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK045
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 8.6
- Grade Unit: g/t
- Intercept: 0.25 m
- True Width: 0.2 m
- From: 549.38 m
- To: 549.63 m
- Hole Depth: 760.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK045:549.38-549.63
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4756
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 285.2 °
- Dip: -52.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-08-29T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 8.6 g/t over a narrow true width of 0.20m, indicating good mineralization, but is historical data.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK045

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-63)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK045
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 0.25 m
- True Width: 0.2 m
- From: 549.38 m
- To: 549.63 m
- Hole Depth: 760.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK045:549.38-549.63
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4756
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 285.2 °
- Dip: -52.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-08-29T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak antimony grade of 0.3% over a narrow true width of 0.20m, indicating minor mineralization, but is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK045W1

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-64)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK045W1
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1
- Grade Unit: g/t
- Intercept: 3.26 m
- True Width: 2.7 m
- From: 543.82 m
- To: 547.08 m
- Hole Depth: 600 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK045W1:543.82-547.08
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4756
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 285.2 °
- Dip: -52.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 2.7
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-07T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 1.0 g/t over a significant true width of 2.70m, indicating some mineralization, but is historical data.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK045W1

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-65)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK045W1
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.7
- Grade Unit: %
- Intercept: 3.26 m
- True Width: 2.7 m
- From: 543.82 m
- To: 547.08 m
- Hole Depth: 600 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK045W1:543.82-547.08
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4756
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 285.2 °
- Dip: -52.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-09-07T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Weak antimony grade of 0.7% over a true width of 2.70m, indicating minor mineralization, but is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-66)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 192
- Grade Unit: g/t
- Intercept: 0.17 m
- True Width: 0.07 m
- From: 712.3 m
- To: 712.47 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:712.30-712.47
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 6.9
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 192.0 g/t over a very narrow true width of 0.07m, indicating high-grade mineralization, but is historical data.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK043

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-67)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK043
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.17 m
- True Width: 0.07 m
- From: 712.3 m
- To: 712.47 m
- Hole Depth: 934.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK043:712.30-712.47
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4757
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 296.3 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-07-31T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a very narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK045

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-68)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK045
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.4 m
- From: 670.9 m
- To: 671.9 m
- Hole Depth: 760.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK045:670.90-671.90
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4756
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 285.2 °
- Dip: -52.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-08-29T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak gold grade of 0.2 g/t over a true width of 0.40m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK045

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-69)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK045
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.4 m
- From: 670.9 m
- To: 671.9 m
- Hole Depth: 760.5 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK045:670.90-671.90
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4756
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 285.2 °
- Dip: -52.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-08-29T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a true width of 0.40m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK035

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-70)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK035
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 0.13 m
- True Width: 0.1 m
- From: 942.41 m
- To: 942.54 m
- Hole Depth: 995.57 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK035:942.41-942.54
- Mining Method: underground

#### Location

- Easting: 15463
- Northing: 4489
- CRS: Costerfield Local Mine Grid
- Elevation: 1030 m
- Azimuth: 287.9 °
- Dip: -79 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-03-13T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren gold intercept with 0.0 g/t Au over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK035

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-71)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK035
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.13 m
- True Width: 0.1 m
- From: 942.41 m
- To: 942.54 m
- Hole Depth: 995.57 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK035:942.41-942.54
- Mining Method: underground

#### Location

- Easting: 15463
- Northing: 4489
- CRS: Costerfield Local Mine Grid
- Elevation: 1030 m
- Azimuth: 287.9 °
- Dip: -79 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-03-13T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK040

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-72)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK040
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 0.69 m
- True Width: 0.4 m
- From: 667.34 m
- To: 668.03 m
- Hole Depth: 732.57 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK040:667.34-668.03
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 290 °
- Dip: -55.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 0
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-09T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak gold grade of 0.1 g/t over a true width of 0.40m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

- Negative factor: Stale Data Re-release

### CSK040

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-73)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK040
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.69 m
- True Width: 0.4 m
- From: 667.34 m
- To: 668.03 m
- Hole Depth: 732.57 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK040:667.34-668.03
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 290 °
- Dip: -55.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-09T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a true width of 0.40m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK040W1

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-74)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK040W1
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 3.2
- Grade Unit: g/t
- Intercept: 1.95 m
- True Width: 1.24 m
- From: 634.05 m
- To: 636 m
- Hole Depth: 656.4 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK040W1:634.05-636.00
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 290 °
- Dip: -55.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 2.2
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 3.2 g/t over a significant true width of 1.24m, indicating some mineralization, but is historical data.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK040W1

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-75)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK040W1
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 1.95 m
- True Width: 1.24 m
- From: 634.05 m
- To: 636 m
- Hole Depth: 656.4 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK040W1:634.05-636.00
- Mining Method: underground

#### Location

- Easting: 15474
- Northing: 4744
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 290 °
- Dip: -55.6 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-21T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a true width of 1.24m, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### CSK042

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-76)

Costerfield · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK042
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 52.3
- Grade Unit: g/t
- Intercept: 0.23 m
- True Width: 0.12 m
- From: 624.48 m
- To: 624.71 m
- Hole Depth: 667.12 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK042:624.48-624.71
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4758
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 302.4 °
- Dip: -50.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 3.6
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-22T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 52.3 g/t over a very narrow true width of 0.12m, indicating high-grade mineralization, but is historical data.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Negative factor: Stale Data Re-release

### CSK042

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-77)

Costerfield · antimony

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CSK042
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.23 m
- True Width: 0.12 m
- From: 624.48 m
- To: 624.71 m
- Hole Depth: 667.12 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: CSK042:624.48-624.71
- Mining Method: underground

#### Location

- Easting: 15461
- Northing: 4758
- CRS: Costerfield Local Mine Grid
- Elevation: 865 m
- Azimuth: 302.4 °
- Dip: -50.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-22T00:00:00.000Z

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a very narrow true width, indicating no significant mineralization, and is historical data.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

- Negative factor: Stale Data Re-release

### AD269

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-78)

Costerfield · gold

#### Identity

- Hole ID: AD269
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 2.8
- Grade Unit: g/t
- Intercept: 2.18 m
- True Width: 0.78 m
- From: 106.2 m
- To: 108.38 m
- Hole Depth: 142.8 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD269:106.20-108.38
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 331.2 °
- Dip: -19.3 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 2.3
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 2.8 g/t over a true width of 0.78m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD269

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-79)

Costerfield · antimony

#### Identity

- Hole ID: AD269
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1
- Grade Unit: %
- Intercept: 2.18 m
- True Width: 0.78 m
- From: 106.2 m
- To: 108.38 m
- Hole Depth: 142.8 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD269:106.20-108.38
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 331.2 °
- Dip: -19.3 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 1.0% over a true width of 0.78m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD269

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-80)

Costerfield · gold

#### Identity

- Hole ID: AD269
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1.8
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.12 m
- From: 111.51 m
- To: 111.81 m
- Hole Depth: 142.8 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD269:111.51-111.81
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 331.2 °
- Dip: -19.3 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 2
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 1.8 g/t over a very narrow true width of 0.12m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD269

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-81)

Costerfield · antimony

#### Identity

- Hole ID: AD269
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 11.4
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.12 m
- From: 111.51 m
- To: 111.81 m
- Hole Depth: 142.8 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD269:111.51-111.81
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 331.2 °
- Dip: -19.3 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 11.4% over a very narrow true width of 0.12m, indicating high-grade mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD277

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-82)

Costerfield · gold

#### Identity

- Hole ID: AD277
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 5.9
- Grade Unit: g/t
- Intercept: 0.11 m
- True Width: 0.09 m
- From: 77.92 m
- To: 78.03 m
- Hole Depth: 156.09 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD277:77.92-78.03
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 305.2 °
- Dip: 24 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 2.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 5.9 g/t over a very narrow true width of 0.09m, indicating good mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD277

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-83)

Costerfield · antimony

#### Identity

- Hole ID: AD277
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 14.7
- Grade Unit: %
- Intercept: 0.11 m
- True Width: 0.09 m
- From: 77.92 m
- To: 78.03 m
- Hole Depth: 156.09 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD277:77.92-78.03
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 305.2 °
- Dip: 24 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 14.7% over a very narrow true width of 0.09m, indicating high-grade mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD277

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-84)

Costerfield · gold

#### Identity

- Hole ID: AD277
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 2.3
- Grade Unit: g/t
- Intercept: 0.44 m
- True Width: 0.36 m
- From: 79.23 m
- To: 79.67 m
- Hole Depth: 156.09 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD277:79.23-79.67
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 305.2 °
- Dip: 24 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 1.4
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 2.3 g/t over a true width of 0.36m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD277

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-85)

Costerfield · antimony

#### Identity

- Hole ID: AD277
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 1.9
- Grade Unit: %
- Intercept: 0.44 m
- True Width: 0.36 m
- From: 79.23 m
- To: 79.67 m
- Hole Depth: 156.09 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD277:79.23-79.67
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4800
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 305.2 °
- Dip: 24 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 1.9% over a true width of 0.36m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD279

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-86)

Costerfield · gold

#### Identity

- Hole ID: AD279
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 30.3
- Grade Unit: g/t
- Intercept: 0.21 m
- True Width: 0.2 m
- From: 78.92 m
- To: 79.13 m
- Hole Depth: 98.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD279:78.92-79.13
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4805
- CRS: Costerfield Local Mine Grid
- Elevation: 971 m
- Azimuth: 295 °
- Dip: 34.2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 8.9
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 30.3 g/t over a narrow true width of 0.20m, indicating high-grade mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD279

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-87)

Costerfield · antimony

#### Identity

- Hole ID: AD279
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 21.7
- Grade Unit: %
- Intercept: 0.21 m
- True Width: 0.2 m
- From: 78.92 m
- To: 79.13 m
- Hole Depth: 98.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD279:78.92-79.13
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4805
- CRS: Costerfield Local Mine Grid
- Elevation: 971 m
- Azimuth: 295 °
- Dip: 34.2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very high antimony grade of 21.7% over a narrow true width of 0.20m, indicating high-grade mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD279

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-88)

Costerfield · gold

#### Identity

- Hole ID: AD279
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 99.1
- Grade Unit: g/t
- Intercept: 0.44 m
- True Width: 0.2 m
- From: 80.62 m
- To: 81.06 m
- Hole Depth: 98.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD279:80.62-81.06
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4805
- CRS: Costerfield Local Mine Grid
- Elevation: 971 m
- Azimuth: 295 °
- Dip: 34.2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 11
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 99.1 g/t over a narrow true width of 0.20m, indicating high-grade mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD279

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-89)

Costerfield · antimony

#### Identity

- Hole ID: AD279
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.44 m
- True Width: 0.2 m
- From: 80.62 m
- To: 81.06 m
- Hole Depth: 98.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD279:80.62-81.06
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4805
- CRS: Costerfield Local Mine Grid
- Elevation: 971 m
- Azimuth: 295 °
- Dip: 34.2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak antimony grade of 0.1% over a narrow true width of 0.20m, indicating no significant mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD279

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-90)

Costerfield · gold

#### Identity

- Hole ID: AD279
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 4.4
- Grade Unit: g/t
- Intercept: 0.8 m
- True Width: 0.59 m
- From: 85.66 m
- To: 86.46 m
- Hole Depth: 98.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD279:85.66-86.46
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4805
- CRS: Costerfield Local Mine Grid
- Elevation: 971 m
- Azimuth: 295 °
- Dip: 34.2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 1.6
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate gold grade of 4.4 g/t over a true width of 0.59m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD279

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-91)

Costerfield · antimony

#### Identity

- Hole ID: AD279
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.8 m
- True Width: 0.59 m
- From: 85.66 m
- To: 86.46 m
- Hole Depth: 98.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD279:85.66-86.46
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4805
- CRS: Costerfield Local Mine Grid
- Elevation: 971 m
- Azimuth: 295 °
- Dip: 34.2 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Very weak antimony grade of 0.2% over a true width of 0.59m, indicating no significant mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Weak-Grade Intercept

### AD281

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-92)

Costerfield · gold

#### Identity

- Hole ID: AD281
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 40.6
- Grade Unit: g/t
- Intercept: 0.34 m
- True Width: 0.25 m
- From: 119.2 m
- To: 119.54 m
- Hole Depth: 161.44 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD281:119.20-119.54
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 967 m
- Azimuth: 327.3 °
- Dip: -28.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 6.8
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 40.6 g/t over a narrow true width of 0.25m, indicating high-grade mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD281

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-93)

Costerfield · antimony

#### Identity

- Hole ID: AD281
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 3.6
- Grade Unit: %
- Intercept: 0.34 m
- True Width: 0.25 m
- From: 119.2 m
- To: 119.54 m
- Hole Depth: 161.44 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD281:119.20-119.54
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 967 m
- Azimuth: 327.3 °
- Dip: -28.1 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Moderate antimony grade of 3.6% over a narrow true width of 0.25m, indicating some mineralization.

- Positive factor: Moderate-Grade Intercept

- Positive factor: True Width Disclosed

### AD291

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-94)

Costerfield · gold

#### Identity

- Hole ID: AD291
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 15.9
- Grade Unit: g/t
- Intercept: 0.45 m
- True Width: 0.1 m
- From: 170.25 m
- To: 170.7 m
- Hole Depth: 182.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD291:170.25-170.70
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 338 °
- Dip: -22 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 1.7
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 15.9 g/t over a very narrow true width of 0.10m, indicating good mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD291

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-95)

Costerfield · antimony

#### Identity

- Hole ID: AD291
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 5.7
- Grade Unit: %
- Intercept: 0.45 m
- True Width: 0.1 m
- From: 170.25 m
- To: 170.7 m
- Hole Depth: 182.9 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD291:170.25-170.70
- Mining Method: underground

#### Location

- Easting: 15239
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 968 m
- Azimuth: 338 °
- Dip: -22 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong antimony grade of 5.7% over a very narrow true width of 0.10m, indicating good mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD292

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-96)

Costerfield · gold

#### Identity

- Hole ID: AD292
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 22.1
- Grade Unit: g/t
- Intercept: 0.14 m
- True Width: 0.11 m
- From: 79.65 m
- To: 79.79 m
- Hole Depth: 128.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD292:79.65-79.79
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 307.1 °
- Dip: 4.8 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 1.3
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Exceptional gold grade of 22.1 g/t over a very narrow true width of 0.11m, indicating high-grade mineralization.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

### AD292

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-97)

Costerfield · antimony

#### Identity

- Hole ID: AD292
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.14 m
- True Width: 0.11 m
- From: 79.65 m
- To: 79.79 m
- Hole Depth: 128.02 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD292:79.65-79.79
- Mining Method: underground

#### Location

- Easting: 15237
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 969 m
- Azimuth: 307.1 °
- Dip: 4.8 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Barren antimony intercept with 0.0% Sb over a very narrow true width, indicating no significant mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Barren Intercept

### AD294

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-98)

Costerfield · gold

#### Identity

- Hole ID: AD294
- Project: Costerfield
- Commodity: gold
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 7
- Grade Unit: g/t
- Intercept: 0.11 m
- True Width: 0.08 m
- From: 165.19 m
- To: 165.3 m
- Hole Depth: 179.1 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD294:165.19-165.30
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 970 m
- Azimuth: 327.4 °
- Dip: 18.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Metal Eq. Grade: 1.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong gold grade of 7.0 g/t over a very narrow true width of 0.08m, indicating good mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

### AD294

[Link to this fact](https://atlas-staging.minestarters.com/news/new-high-grade-domain-discovered-at-cuffley--04a5c3d6-33b4-42da-99c7-ce6e2491bb91#fact-drill-facts-99)

Costerfield · antimony

#### Identity

- Hole ID: AD294
- Project: Costerfield
- Commodity: antimony
- Region: australia\_vic
- Reported Region: Victoria, Australia
- Ticker: ALK

#### Geometry

- Grade: 8
- Grade Unit: %
- Intercept: 0.11 m
- True Width: 0.08 m
- From: 165.19 m
- To: 165.3 m
- Hole Depth: 179.1 m

#### Classification

- Deposit Type: epithermal
- Program: mixed
- Sample Type: drill
- Group ID: AD294:165.19-165.30
- Mining Method: underground

#### Location

- Easting: 15238
- Northing: 4806
- CRS: Costerfield Local Mine Grid
- Elevation: 970 m
- Azimuth: 327.4 °
- Dip: 18.9 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: blanks, standards, duplicates, umpire, check\_assays

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Dilution Disclosed: Yes
- Max Dilution: 1.8 m

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-24T00:00:00.000Z

Reasoning: Strong antimony grade of 8.0% over a very narrow true width of 0.08m, indicating good mineralization.

- Positive factor: High-Grade Intercept

- Positive factor: True Width Disclosed

## 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.