# Mandalay Extends High-Grade True Blue Discovery and Deploys Additional Drill Rigs at Costerfield Gold-Antimony Mine

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d

Original source: https://money.tmx.com/en/quote/MND/news/7353531241463424/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig

Publisher: tmx

Original announcement: 2025-07-21T21:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Mandalay Resources Corporation

- Ticker: MND

- Exchange: TSX

- Region: Australia

- Primary commodity: Gold

- Secondary commodities: Antimony

- Document categories: Drill results

- Extracted: 2026-08-23 22:49:45 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Mandalay Resources has announced an exploration update for its True Blue discovery at the Costerfield Gold-Antimony Mine in Australia, reporting high-grade gold and antimony intercepts. Key results include 155.4 g/t Au and 3.7% Sb over 0.30 m \(ETW 0.20 m\) in TB043, and the discovery of a new parallel vein with 11.7 g/t Au and 6.5% Sb over 4.88 m \(ETW 2.06 m\) in TB034A. The company is deploying additional drill rigs to accelerate the program, confirming structural and grade continuity and highlighting significant upside potential.

Reasoning: Mandalay's latest drilling at the True Blue discovery has yielded exceptional high-grade gold and antimony intercepts, including the discovery of a significant new parallel vein, demonstrating substantial potential for resource growth and mine life extension. The company's accelerated drilling program and robust QA/QC protocols underscore the confidence in these results.

- Positive factor: High-grade gold and antimony intercepts

- Positive factor: Discovery of new high-grade parallel vein

- Positive factor: Extension of mineralization beyond known limits

- Positive factor: Increased drilling activity with additional rigs

- Positive factor: Strong structural and grade continuity confirmed

- Positive factor: Comprehensive QA/QC procedures disclosed

- Negative factor: Some intercepts are very narrow

- Negative factor: Reporting cut-off for table intercepts is not explicitly stated

Facts used in scoring: 33

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 33. Some facts used in scoring do not have a stored record.

## Drill Results (33)

### TB035

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-0)

True Blue · gold

#### Identity

- Hole ID: TB035
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 8.9
- Grade Unit: g/t
- Intercept: 0.29 m
- True Width: 0.23 m
- From: 594.86 m
- To: 595.15 m
- Hole Depth: 743 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB035:594.86-595.15
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916261
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 111 °
- Dip: -49 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 28.5
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional gold equivalent grade over a very narrow true width, achieving weak grade-thickness, contributing to overall project understanding.

- Positive factor: True Width Disclosed

Evidence · table

> 8.9

Context: 0.29

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.23m is stated.

Evidence · table

> 0.23

Context: 0.29

### TB035

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-1)

True Blue · antimony

#### Identity

- Hole ID: TB035
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 8.2
- Grade Unit: %
- Intercept: 0.29 m
- True Width: 0.23 m
- From: 594.86 m
- To: 595.15 m
- Hole Depth: 743 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB035:594.86-595.15
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916261
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 111 °
- Dip: -49 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong antimony grade over a very narrow true width, contributing to overall project understanding.

- Positive factor: True Width Disclosed

Evidence · table

> 8.2

Context: 0.29

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.23m is stated.

Evidence · table

> 0.23

Context: 0.29

### TB035W1

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-2)

True Blue · gold

#### Identity

- Hole ID: TB035W1
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 1.14 m
- True Width: 0.76 m
- From: 542.5 m
- To: 543.64 m
- Hole Depth: 679 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB035W1:542.5-543.64
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916261
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 111 °
- Dip: -49 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 1.4
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Low gold equivalent grade over a narrow true width, below economic thresholds for underground mining.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

Evidence · table

> 0.4

Context: 1.14

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.76m is stated.

Evidence · table

> 0.76

Context: 1.14

### TB035W1

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-3)

True Blue · antimony

#### Identity

- Hole ID: TB035W1
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 1.14 m
- True Width: 0.76 m
- From: 542.5 m
- To: 543.64 m
- Hole Depth: 679 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB035W1:542.5-543.64
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916261
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 111 °
- Dip: -49 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Low antimony grade over a narrow true width, below economic thresholds for underground mining.

- Positive factor: True Width Disclosed

- Negative factor: Low antimony grade

Evidence · table

> 0.4

Context: 1.14

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.76m is stated.

Evidence · table

> 0.76

Context: 1.14

### TB040

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-4)

True Blue · gold

#### Identity

- Hole ID: TB040
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 0.87 m
- True Width: 0.65 m
- From: 599.73 m
- To: 600.6 m
- Hole Depth: 652 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB040:599.73-600.6
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916261
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 122 °
- Dip: -47 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

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

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Very low gold equivalent grade over a narrow true width, below economic thresholds for underground mining, with antimony below detection limit.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

- Negative factor: Antimony grade below detection limit

Evidence · table

> 0.2

Context: 0.87

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.65m is stated.

Evidence · table

> 0.65

Context: 0.87

### TB040

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-5)

True Blue · antimony

#### Identity

- Hole ID: TB040
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Intercept: 0.87 m
- True Width: 0.65 m
- From: 599.73 m
- To: 600.6 m
- Hole Depth: 652 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB040:599.73-600.6
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916261
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 122 °
- Dip: -47 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Antimony grade below detection limit over a narrow true width, indicating no significant antimony mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Antimony grade below detection limit

Evidence · table

> LLD

Context: 0.87

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.65m is stated.

Evidence · table

> 0.65

Context: 0.87

### TB043

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-6)

True Blue · gold

#### Identity

- Hole ID: TB043
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 155.4
- Grade Unit: g/t
- Intercept: 0.34 m
- True Width: 0.2 m
- From: 516.83 m
- To: 517.17 m
- Hole Depth: 580 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB043:516.83-517.17
- Mining Method: underground

#### Location

- Easting: 300769
- Northing: 5916491
- CRS: MGA2020
- Elevation: 237 m
- Azimuth: 109 °
- Dip: -43 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 164.1
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Bonanza gold equivalent grade over a very narrow true width, achieving moderate grade-thickness, indicating a high-value zone.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

Evidence · table

> 155.4

Context: 0.34

#### Rejected tags

**Bonanza Intercept** — Rejected; excluded from scoring

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Reason: Gold equivalent grade of 164.1 g/t exceeds the 15 g/t exceptional threshold for orogenic underground gold.

Evidence · table

> 164.1

Context: 0.34

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.20m is stated.

Evidence · table

> 0.20

Context: 0.34

### TB043

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-7)

True Blue · antimony

#### Identity

- Hole ID: TB043
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 3.7
- Grade Unit: %
- Intercept: 0.34 m
- True Width: 0.2 m
- From: 516.83 m
- To: 517.17 m
- Hole Depth: 580 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB043:516.83-517.17
- Mining Method: underground

#### Location

- Easting: 300769
- Northing: 5916491
- CRS: MGA2020
- Elevation: 237 m
- Azimuth: 109 °
- Dip: -43 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional antimony grade over a very narrow true width, contributing to the high gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 3.7

Context: 0.34

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.20m is stated.

Evidence · table

> 0.20

Context: 0.34

### TB044

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-8)

True Blue · gold

#### Identity

- Hole ID: TB044
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 19.9
- Grade Unit: g/t
- Intercept: 3.1 m
- True Width: 2.37 m
- From: 544.54 m
- To: 547.64 m
- Hole Depth: 590 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB044:544.54-547.64
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916262
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 107 °
- Dip: -47 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 24.5
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional gold equivalent grade over a narrow true width, achieving strong grade-thickness, indicating a significant high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

Evidence · table

> 19.9

Context: 3.10

#### Rejected tags

**Bonanza Intercept** — Rejected; excluded from scoring

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Reason: Gold equivalent grade of 24.5 g/t exceeds the 15 g/t exceptional threshold for orogenic underground gold.

Evidence · table

> 24.5

Context: 3.10

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 2.37m is stated.

Evidence · table

> 2.37

Context: 3.10

### TB044

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-9)

True Blue · antimony

#### Identity

- Hole ID: TB044
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 2
- Grade Unit: %
- Intercept: 3.1 m
- True Width: 2.37 m
- From: 544.54 m
- To: 547.64 m
- Hole Depth: 590 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB044:544.54-547.64
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916262
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 107 °
- Dip: -47 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong antimony grade over a narrow true width, contributing significantly to the overall gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 2.0

Context: 3.10

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 2.37m is stated.

Evidence · table

> 2.37

Context: 3.10

### TB045

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-10)

True Blue · gold

#### Identity

- Hole ID: TB045
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 21.8
- Grade Unit: g/t
- Intercept: 0.25 m
- True Width: 0.22 m
- From: 531.84 m
- To: 532.09 m
- Hole Depth: 580 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB045:531.84-532.09
- Mining Method: underground

#### Location

- Easting: 301488
- Northing: 5916263
- CRS: MGA2020
- Elevation: 216 m
- Azimuth: 267 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 54.7
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Bonanza gold equivalent grade over a very narrow true width, achieving weak grade-thickness, indicating a high-value zone.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

Evidence · table

> 21.8

Context: 0.25

#### Rejected tags

**Bonanza Intercept** — Rejected; excluded from scoring

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Reason: Gold equivalent grade of 54.7 g/t exceeds the 15 g/t exceptional threshold for orogenic underground gold.

Evidence · table

> 54.7

Context: 0.25

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.22m is stated.

Evidence · table

> 0.22

Context: 0.25

### TB045

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-11)

True Blue · antimony

#### Identity

- Hole ID: TB045
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 13.8
- Grade Unit: %
- Intercept: 0.25 m
- True Width: 0.22 m
- From: 531.84 m
- To: 532.09 m
- Hole Depth: 580 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB045:531.84-532.09
- Mining Method: underground

#### Location

- Easting: 301488
- Northing: 5916263
- CRS: MGA2020
- Elevation: 216 m
- Azimuth: 267 °
- Dip: -44 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional antimony grade over a very narrow true width, contributing significantly to the high gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 13.8

Context: 0.25

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.22m is stated.

Evidence · table

> 0.22

Context: 0.25

### TB046

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-12)

True Blue · gold

#### Identity

- Hole ID: TB046
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 3.3
- Grade Unit: g/t
- Intercept: 0.12 m
- True Width: 0.12 m
- From: 496.29 m
- To: 496.41 m
- Hole Depth: 569 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB046:496.29-496.41
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916262
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 106 °
- Dip: -43 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 14.4
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong gold equivalent grade over an extremely narrow true width, contributing to overall project understanding.

- Positive factor: True Width Disclosed

Evidence · table

> 3.3

Context: 0.12

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.12m is stated.

Evidence · table

> 0.12

Context: 0.12

### TB046

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-13)

True Blue · antimony

#### Identity

- Hole ID: TB046
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 4.7
- Grade Unit: %
- Intercept: 0.12 m
- True Width: 0.12 m
- From: 496.29 m
- To: 496.41 m
- Hole Depth: 569 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB046:496.29-496.41
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916262
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 106 °
- Dip: -43 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional antimony grade over an extremely narrow true width, contributing significantly to the gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 4.7

Context: 0.12

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.12m is stated.

Evidence · table

> 0.12

Context: 0.12

### TB049

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-14)

True Blue · gold

#### Identity

- Hole ID: TB049
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 2.6
- Grade Unit: g/t
- Intercept: 1.62 m
- True Width: 1.17 m
- From: 518.86 m
- To: 520.48 m
- Hole Depth: 600 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB049:518.86-520.48
- Mining Method: underground

#### Location

- Easting: 301488
- Northing: 5916263
- CRS: MGA2020
- Elevation: 216 m
- Azimuth: 277 °
- Dip: -42 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 6.5
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong gold equivalent grade over a narrow true width, but below the strong grade-thickness threshold for underground mining.

- Positive factor: True Width Disclosed

Evidence · table

> 2.6

Context: 1.62

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.17m is stated.

Evidence · table

> 1.17

Context: 1.62

### TB049

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-15)

True Blue · antimony

#### Identity

- Hole ID: TB049
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 1.6
- Grade Unit: %
- Intercept: 1.62 m
- True Width: 1.17 m
- From: 518.86 m
- To: 520.48 m
- Hole Depth: 600 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB049:518.86-520.48
- Mining Method: underground

#### Location

- Easting: 301488
- Northing: 5916263
- CRS: MGA2020
- Elevation: 216 m
- Azimuth: 277 °
- Dip: -42 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong antimony grade over a narrow true width, contributing to the overall gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 1.6

Context: 1.62

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.17m is stated.

Evidence · table

> 1.17

Context: 1.62

### TB052

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-16)

True Blue · gold

#### Identity

- Hole ID: TB052
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 5.4
- Grade Unit: g/t
- Intercept: 1.64 m
- True Width: 1.55 m
- From: 548.8 m
- To: 550.44 m
- Hole Depth: 590 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB052:548.8-550.44
- Mining Method: underground

#### Location

- Easting: 300768
- Northing: 5916491
- CRS: MGA2020
- Elevation: 237 m
- Azimuth: 116 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 11.2
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong gold equivalent grade over a narrow true width, achieving weak grade-thickness, indicating a potentially economic zone.

- Positive factor: True Width Disclosed

Evidence · table

> 5.4

Context: 1.64

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.55m is stated.

Evidence · table

> 1.55

Context: 1.64

### TB052

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-17)

True Blue · antimony

#### Identity

- Hole ID: TB052
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 2.4
- Grade Unit: %
- Intercept: 1.64 m
- True Width: 1.55 m
- From: 548.8 m
- To: 550.44 m
- Hole Depth: 590 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB052:548.8-550.44
- Mining Method: underground

#### Location

- Easting: 300768
- Northing: 5916491
- CRS: MGA2020
- Elevation: 237 m
- Azimuth: 116 °
- Dip: -46 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong antimony grade over a narrow true width, contributing to the overall gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 2.4

Context: 1.64

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.55m is stated.

Evidence · table

> 1.55

Context: 1.64

### TB053

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-18)

True Blue · gold

#### Identity

- Hole ID: TB053
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 16
- Grade Unit: g/t
- Intercept: 3.57 m
- True Width: 1.51 m
- From: 529.43 m
- To: 533 m
- Hole Depth: 576 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB053:529.43-533.0
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916263
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 101 °
- Dip: -47 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 19.7
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional gold equivalent grade over a narrow true width, achieving strong grade-thickness, indicating a significant high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

Evidence · table

> 16.0

Context: 3.57

#### Rejected tags

**Bonanza Intercept** — Rejected; excluded from scoring

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Reason: Gold equivalent grade of 19.7 g/t exceeds the 15 g/t exceptional threshold for orogenic underground gold.

Evidence · table

> 19.7

Context: 3.57

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.51m is stated.

Evidence · table

> 1.51

Context: 3.57

### TB053

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-19)

True Blue · antimony

#### Identity

- Hole ID: TB053
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 1.5
- Grade Unit: %
- Intercept: 3.57 m
- True Width: 1.51 m
- From: 529.43 m
- To: 533 m
- Hole Depth: 576 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB053:529.43-533.0
- Mining Method: underground

#### Location

- Easting: 300734
- Northing: 5916263
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 101 °
- Dip: -47 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong antimony grade over a narrow true width, contributing significantly to the overall gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 1.5

Context: 3.57

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.51m is stated.

Evidence · table

> 1.51

Context: 3.57

### TB017

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-20)

True Blue · gold

#### Identity

- Hole ID: TB017
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 10.7
- Grade Unit: g/t
- Intercept: 0.22 m
- True Width: 0.17 m
- From: 417.87 m
- To: 418.09 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB017:417.87-418.09
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 23
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional gold equivalent grade over a very narrow true width, achieving weak grade-thickness, indicating a high-value zone.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

Evidence · table

> 10.7

Context: 0.22

#### Rejected tags

**Bonanza Intercept** — Rejected; excluded from scoring

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Reason: Gold equivalent grade of 23.0 g/t exceeds the 15 g/t exceptional threshold for orogenic underground gold.

Evidence · table

> 23.0

Context: 0.22

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.17m is stated.

Evidence · table

> 0.17

Context: 0.22

### TB017

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-21)

True Blue · antimony

#### Identity

- Hole ID: TB017
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 5.2
- Grade Unit: %
- Intercept: 0.22 m
- True Width: 0.17 m
- From: 417.87 m
- To: 418.09 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB017:417.87-418.09
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional antimony grade over a very narrow true width, contributing significantly to the gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 5.2

Context: 0.22

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.17m is stated.

Evidence · table

> 0.17

Context: 0.22

### TB026

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-22)

True Blue · gold

#### Identity

- Hole ID: TB026
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 0.45 m
- True Width: 0.41 m
- From: 730.65 m
- To: 731.1 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB026:730.65-731.1
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 6.6
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong gold equivalent grade over a narrow true width, but below the strong grade-thickness threshold for underground mining.

- Positive factor: True Width Disclosed

Evidence · table

> 0.5

Context: 0.45

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.41m is stated.

Evidence · table

> 0.41

Context: 0.45

### TB026

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-23)

True Blue · antimony

#### Identity

- Hole ID: TB026
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 2.6
- Grade Unit: %
- Intercept: 0.45 m
- True Width: 0.41 m
- From: 730.65 m
- To: 731.1 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB026:730.65-731.1
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Exceptional antimony grade over a narrow true width, contributing to the overall gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 2.6

Context: 0.45

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.41m is stated.

Evidence · table

> 0.41

Context: 0.45

### TB026

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-24)

True Blue · gold

#### Identity

- Hole ID: TB026
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 1.6
- Grade Unit: g/t
- Intercept: 1.16 m
- True Width: 0.82 m
- From: 716.56 m
- To: 717.72 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB026:716.56-717.72
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 5.7
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong gold equivalent grade over a narrow true width, but below the strong grade-thickness threshold for underground mining.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

Evidence · table

> 1.6

Context: 1.16

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.82m is stated.

Evidence · table

> 0.82

Context: 1.16

### TB026

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-25)

True Blue · antimony

#### Identity

- Hole ID: TB026
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 1.7
- Grade Unit: %
- Intercept: 1.16 m
- True Width: 0.82 m
- From: 716.56 m
- To: 717.72 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB026:716.56-717.72
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong antimony grade over a narrow true width, contributing to the overall gold equivalent value.

- Positive factor: True Width Disclosed

Evidence · table

> 1.7

Context: 1.16

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.82m is stated.

Evidence · table

> 0.82

Context: 1.16

### TB029

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-26)

True Blue · gold

#### Identity

- Hole ID: TB029
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 4.7
- Grade Unit: g/t
- Intercept: 1.53 m
- True Width: 1.39 m
- From: 776.42 m
- To: 777.95 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB029:776.42-777.95
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 5.4
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Strong gold equivalent grade over a narrow true width, but below the strong grade-thickness threshold for underground mining.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

Evidence · table

> 4.7

Context: 1.53

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.39m is stated.

Evidence · table

> 1.39

Context: 1.53

### TB029

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-27)

True Blue · antimony

#### Identity

- Hole ID: TB029
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 1.53 m
- True Width: 1.39 m
- From: 776.42 m
- To: 777.95 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB029:776.42-777.95
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Weak antimony grade over a narrow true width, contributing marginally to the gold equivalent value.

- Positive factor: True Width Disclosed

- Negative factor: Low antimony grade

Evidence · table

> 0.3

Context: 1.53

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 1.39m is stated.

Evidence · table

> 1.39

Context: 1.53

### TB029

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-28)

True Blue · gold

#### Identity

- Hole ID: TB029
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 3.2
- Grade Unit: g/t
- Intercept: 1.13 m
- True Width: 0.56 m
- From: 781.3 m
- To: 782.43 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB029:781.3-782.43
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 3.2
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Moderate gold equivalent grade over a narrow true width, but below the strong grade-thickness threshold for underground mining, with antimony below detection limit.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

- Negative factor: Antimony grade below detection limit

Evidence · table

> 3.2

Context: 1.13

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.56m is stated.

Evidence · table

> 0.56

Context: 1.13

### TB029

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-29)

True Blue · antimony

#### Identity

- Hole ID: TB029
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Intercept: 1.13 m
- True Width: 0.56 m
- From: 781.3 m
- To: 782.43 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB029:781.3-782.43
- Mining Method: underground

#### Location

- Loc. Confidence: low

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Antimony grade below detection limit over a narrow true width, indicating no significant antimony mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Antimony grade below detection limit

Evidence · table

> LLD

Context: 1.13

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.56m is stated.

Evidence · table

> 0.56

Context: 1.13

### TB032

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-30)

True Blue · gold

#### Identity

- Hole ID: TB032
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 1.7
- Grade Unit: g/t
- Intercept: 0.43 m
- True Width: 0.31 m
- From: 575.43 m
- To: 575.86 m
- Hole Depth: 601 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB032:575.43-575.86
- Mining Method: underground

#### Location

- Easting: 300769
- Northing: 5916491
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 113 °
- Dip: -36 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

- Metal Eq. Grade: 1.7
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Very low gold equivalent grade over a very narrow true width, below economic thresholds for underground mining, with antimony below detection limit.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

- Negative factor: Antimony grade below detection limit

Evidence · table

> 1.7

Context: 0.43

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.31m is stated.

Evidence · table

> 0.31

Context: 0.43

### TB032

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-31)

True Blue · antimony

#### Identity

- Hole ID: TB032
- Project: True Blue
- Commodity: antimony
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Intercept: 0.43 m
- True Width: 0.31 m
- From: 575.43 m
- To: 575.86 m
- Hole Depth: 601 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB032:575.43-575.86
- Mining Method: underground

#### Location

- Easting: 300769
- Northing: 5916491
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 113 °
- Dip: -36 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Antimony grade below detection limit over a very narrow true width, indicating no significant antimony mineralization.

- Positive factor: True Width Disclosed

- Negative factor: Antimony grade below detection limit

Evidence · table

> LLD

Context: 0.43

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.31m is stated.

Evidence · table

> 0.31

Context: 0.43

### TB033

[Link to this fact](https://atlas-staging.minestarters.com/news/mandalay-extends-high-grade-true-blue-discovery-and-deploys-additional-drill-rig--e248ccfa-5491-46d9-aa21-ed144a77091d#fact-drill-facts-32)

True Blue · gold

#### Identity

- Hole ID: TB033
- Project: True Blue
- Commodity: gold
- Region: australia
- Reported Region: Australia
- Ticker: MND

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 0.64 m
- True Width: 0.6 m
- From: 522.2 m
- To: 522.84 m
- Hole Depth: 539 m

#### Classification

- Deposit Type: orogenic
- Program: exploration
- Sample Type: drill
- Group ID: TB033:522.2-522.84
- Mining Method: underground

#### Location

- Easting: 300735
- Northing: 5916262
- CRS: MGA2020
- Elevation: 227 m
- Azimuth: 108 °
- Dip: -40 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: On Site Laboratory Services \(OSLS\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Metal Equivalent

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

#### Review

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

#### Dates

- Event date: 2025-07-21T00:00:00.000Z

Reasoning: Very low gold equivalent grade over a narrow true width, below economic thresholds for underground mining, with antimony below detection limit.

- Positive factor: True Width Disclosed

- Negative factor: Low gold equivalent grade

- Negative factor: Antimony grade below detection limit

Evidence · table

> 0.5

Context: 0.64

#### Rejected tags

**True Width Disclosed** — Rejected; excluded from scoring

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Reason: True width of 0.60m is stated.

Evidence · table

> 0.60

Context: 0.64

## 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.