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

Original announcement by tmx on

Company
Mandalay Resources Corporation
Ticker
MND
Exchange
TSX
Region
Australia
Primary commodity
Gold
Secondary commodities
Antimony
Document categories
Drill results
Extracted
2026-09-16 11:11:34 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Mandalay Resources announced significant high-grade gold and antimony drill results from its True Blue discovery at the Costerfield mine in Australia. Highlights include 155.0 g/t Au and 3.7% Sb over 0.30 m (ETW 0.20 m) in TB043, and the discovery of a new parallel high-grade vein. The company is deploying additional drill rigs to accelerate exploration and infill drilling, aiming to extend the mine's life and grow resources.

Reasoning: Mandalay Resources announced highly positive drill results from its True Blue discovery at the Costerfield mine, featuring bonanza gold and antimony grades, extension of mineralization, and the discovery of a new parallel high-grade vein. The company is accelerating its drill program, indicating strong confidence in the project's potential.

Positive factors

  • High-grade gold and antimony intercepts, including bonanza grades, extend the True Blue discovery.
  • Discovery of a new high-grade parallel vein 40 meters from the initial discovery adds significant potential.
  • Drilling confirms structural and grade continuity, increasing confidence in the deposit.
  • Deployment of additional drill rigs indicates an accelerated exploration and infill program.
  • True width is estimated and disclosed for all significant intercepts.

Facts used in scoring: 54

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: The intercept in TB043 of 155.4 g/t Au and 3.7% Sb (164.1 g/t AuEq) significantly exceeds the exceptional threshold for underground gold deposits (15 g/t Au).

Evidence · table

“155.4”

Context: 516.83

True Width Disclosedpositive

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

Why it applies: The document explicitly states 'ESTIMATED TRUE WIDTH (M)' for all significant intercepts in Table 1, providing actual thickness perpendicular to the structure.

Evidence · table

“0.23”

Context: 594.86

QA/QC Disclosedpositive

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

Why it applies: The release details QA/QC procedures including systematic submission of standard reference materials and blanks, and mentions a certified laboratory (OSLS) and a Qualified Person (Chris Davis).

Evidence · text

“Site geological and metallurgical personnel have implemented a QA/QC procedure that includes systematic submission of standard reference materials and blanks within batches of drill and face samples submitted for assay.”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The drilling program includes 'extending the high-grade central area' and identified 'apparent offset extensions to the current mineral resource', indicating mineralization extended beyond previously known limits.

Evidence · text

“The first is aimed at extending the high-grade central area and defining its structural framework. Encouragingly, this program intersected a new parallel vein approximately 40 metres from the target and identified apparent offset extensions to the current mineral resource, highlighting additional growth potential while adding credibility to our initial exploration extent and formation hypothesis.”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The release explicitly states 'infill drilling is building confidence in structure and grade continuity' within the upper portion of the high-grade core.

Evidence · text

“The second phase narrows focus to the upper portion of the high-grade core where infill drilling is building confidence in structure and grade continuity.”

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: The metal equivalent calculation formula is provided, including prices and recoveries for gold and antimony, making the assumptions transparent.

Evidence · text

“AuEq g per t = Au g per t + Sb% × (Sb price per 10kg × Sb processing recovery) (Au price per g × Au processing recovery) Prices and recoveries used: Au $/oz = 2,500; Sb $/t = 19,000; Au Recovery = 91% and; Sb Recovery = 92%”

Extracted facts

Stored fact records: 54. Some facts used in scoring do not have a stored record.

Drill Results (54)

TB035Costerfield Gold-Antimony Mine · goldGrade: 8.9Grade Unit: g/tIntercept: 0.29 mView all details
Link to this fact

Identity

Hole ID
TB035
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
594.86 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB035:594.86-595.15
Mining Method
underground

Location

Location
Main
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
111 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a good gold grade over a narrow true width, contributing to the overall positive results from the True Blue discovery.

Positive factors

  • High gold grade for narrow vein deposit.
  • True width disclosed, adding confidence to the intercept geometry.
  • Part of an ongoing exploration and infill program.

Evidence · table

“8.9”

Context: 594.86

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.23

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB035Costerfield Gold-Antimony Mine · antimonyGrade: 8.2Grade Unit: %Intercept: 0.29 mView all details
Link to this fact

Identity

Hole ID
TB035
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
594.86 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB035:594.86-595.15
Mining Method
underground

Location

Location
Main
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
111 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a good antimony grade over a narrow true width, contributing to the overall positive results from the True Blue discovery.

Positive factors

  • High antimony grade, contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Part of an ongoing exploration and infill program.

Evidence · table

“8.2”

Context: 594.86

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.23

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB035W1Costerfield Gold-Antimony Mine · goldGrade: 0.4Grade Unit: g/tIntercept: 1.14 mView all details
Link to this fact

Identity

Hole ID
TB035W1
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
542.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB035W1:542.5-543.64
Mining Method
underground

Location

Location
Main
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
111 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.
  • Part of an ongoing exploration and infill program.

Evidence · table

“0.4”

Context: 542.50

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.76

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB035W1Costerfield Gold-Antimony Mine · antimonyGrade: 0.4Grade Unit: %Intercept: 1.14 mView all details
Link to this fact

Identity

Hole ID
TB035W1
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
542.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB035W1:542.5-543.64
Mining Method
underground

Location

Location
Main
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
111 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.
  • Part of an ongoing exploration and infill program.

Evidence · table

“0.4”

Context: 542.50

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.76

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB040Costerfield Gold-Antimony Mine · goldGrade: 0.2Grade Unit: g/tIntercept: 0.87 mView all details
Link to this fact

Identity

Hole ID
TB040
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
599.73 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB040:599.73-600.6
Mining Method
underground

Location

Location
Main
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
122 °
Dip
-47 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.
  • Part of an ongoing exploration and infill program.

Evidence · table

“0.2”

Context: 599.73

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.65

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB040Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.87 mView all details
Link to this fact

Identity

Hole ID
TB040
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.87 m
True Width
0.65 m
From
599.73 m
To
600.6 m
Hole Depth
652 m
Intercept Depth
599.73 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB040:599.73-600.6
Mining Method
underground

Location

Location
Main
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
122 °
Dip
-47 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.
  • Part of an ongoing exploration and infill program.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 599.73

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.65

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB043Costerfield Gold-Antimony Mine · goldGrade: 155.4Grade Unit: g/tIntercept: 0.34 mView all details
Link to this fact

Identity

Hole ID
TB043
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
516.83 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB043:516.83-517.17
Mining Method
underground

Location

Location
Main
Easting
5916491
Northing
300769
CRS
MGA2020
Elevation
237 m
Azimuth
109 °
Dip
-43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept represents an exceptionally high-grade gold discovery, significantly enhancing the project's potential and confirming the presence of bonanza grades.

Positive factors

  • Bonanza gold grade (155.4 g/t Au) significantly exceeds exceptional thresholds for underground gold.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (164.1 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“155.4”

Context: 516.83

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB043Costerfield Gold-Antimony Mine · antimonyGrade: 3.7Grade Unit: %Intercept: 0.34 mView all details
Link to this fact

Identity

Hole ID
TB043
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
516.83 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB043:516.83-517.17
Mining Method
underground

Location

Location
Main
Easting
5916491
Northing
300769
CRS
MGA2020
Elevation
237 m
Azimuth
109 °
Dip
-43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a very high antimony grade, significantly enhancing the project's potential and contributing to the bonanza gold equivalent grade.

Positive factors

  • High antimony grade, contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (164.1 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“3.7”

Context: 516.83

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB044Costerfield Gold-Antimony Mine · goldGrade: 19.9Grade Unit: g/tIntercept: 3.1 mView all details
Link to this fact

Identity

Hole ID
TB044
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
544.54 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB044:544.54-547.64
Mining Method
underground

Location

Location
Main
Easting
5916262
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
107 °
Dip
-47 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept demonstrates strong gold mineralization over a good width, contributing positively to the resource potential and continuity.

Positive factors

  • Strong gold grade (19.9 g/t Au) over a significant true width (2.37 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (24.5 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“19.9”

Context: 544.54

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 2.37

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB044Costerfield Gold-Antimony Mine · antimonyGrade: 2Grade Unit: %Intercept: 3.1 mView all details
Link to this fact

Identity

Hole ID
TB044
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
544.54 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB044:544.54-547.64
Mining Method
underground

Location

Location
Main
Easting
5916262
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
107 °
Dip
-47 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept demonstrates strong antimony mineralization over a good width, contributing positively to the resource potential and continuity.

Positive factors

  • Strong antimony grade over a significant true width, contributing to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (24.5 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“2.0”

Context: 544.54

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 2.37

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB045Costerfield Gold-Antimony Mine · goldGrade: 21.8Grade Unit: g/tIntercept: 0.25 mView all details
Link to this fact

Identity

Hole ID
TB045
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
531.84 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB045:531.84-532.09
Mining Method
underground

Location

Location
Main
Easting
5916263
Northing
301488
CRS
MGA2020
Elevation
216 m
Azimuth
267 °
Dip
-44 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong gold grade over a narrow true width, contributing positively to the resource potential.

Positive factors

  • Strong gold grade (21.8 g/t Au) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (54.7 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“21.8”

Context: 531.84

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.22

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB045Costerfield Gold-Antimony Mine · antimonyGrade: 13.8Grade Unit: %Intercept: 0.25 mView all details
Link to this fact

Identity

Hole ID
TB045
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
531.84 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB045:531.84-532.09
Mining Method
underground

Location

Location
Main
Easting
5916263
Northing
301488
CRS
MGA2020
Elevation
216 m
Azimuth
267 °
Dip
-44 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows an exceptional antimony grade over a narrow true width, significantly enhancing the project's potential.

Positive factors

  • Exceptional antimony grade (13.8%) contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (54.7 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“13.8”

Context: 531.84

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.22

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB046Costerfield Gold-Antimony Mine · goldGrade: 3.3Grade Unit: g/tIntercept: 0.12 mView all details
Link to this fact

Identity

Hole ID
TB046
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
496.29 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB046:496.29-496.41
Mining Method
underground

Location

Location
Main
Easting
5916262
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
106 °
Dip
-43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a moderate gold grade over a very narrow true width, contributing to the overall mineralization picture.

Positive factors

  • Moderate gold grade for narrow vein deposit.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (14.4 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“3.3”

Context: 496.29

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.12

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB046Costerfield Gold-Antimony Mine · antimonyGrade: 4.7Grade Unit: %Intercept: 0.12 mView all details
Link to this fact

Identity

Hole ID
TB046
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
496.29 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB046:496.29-496.41
Mining Method
underground

Location

Location
Main
Easting
5916262
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
106 °
Dip
-43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong antimony grade over a very narrow true width, contributing to the overall mineralization picture.

Positive factors

  • Strong antimony grade (4.7%) contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (14.4 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“4.7”

Context: 496.29

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.12

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB049Costerfield Gold-Antimony Mine · goldGrade: 2.6Grade Unit: g/tIntercept: 1.62 mView all details
Link to this fact

Identity

Hole ID
TB049
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
518.86 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB049:518.86-520.48
Mining Method
underground

Location

Location
Main
Easting
5916263
Northing
301488
CRS
MGA2020
Elevation
216 m
Azimuth
277 °
Dip
-42 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a moderate gold grade over a good true width, contributing to the overall mineralization picture.

Positive factors

  • Moderate gold grade over a good true width.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (6.5 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“2.6”

Context: 518.86

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.17

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB049Costerfield Gold-Antimony Mine · antimonyGrade: 1.6Grade Unit: %Intercept: 1.62 mView all details
Link to this fact

Identity

Hole ID
TB049
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
518.86 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB049:518.86-520.48
Mining Method
underground

Location

Location
Main
Easting
5916263
Northing
301488
CRS
MGA2020
Elevation
216 m
Azimuth
277 °
Dip
-42 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a moderate antimony grade over a good true width, contributing to the overall mineralization picture.

Positive factors

  • Moderate antimony grade contributing to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (6.5 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“1.6”

Context: 518.86

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.17

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB052Costerfield Gold-Antimony Mine · goldGrade: 5.4Grade Unit: g/tIntercept: 1.64 mView all details
Link to this fact

Identity

Hole ID
TB052
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
548.8 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB052:548.8-550.44
Mining Method
underground

Location

Location
Main
Easting
5916491
Northing
300768
CRS
MGA2020
Elevation
237 m
Azimuth
116 °
Dip
-46 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong gold grade over a good true width, contributing positively to the resource potential.

Positive factors

  • Strong gold grade (5.4 g/t Au) over a good true width (1.55 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (11.2 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“5.4”

Context: 548.80

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.55

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB052Costerfield Gold-Antimony Mine · antimonyGrade: 2.4Grade Unit: %Intercept: 1.64 mView all details
Link to this fact

Identity

Hole ID
TB052
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
548.8 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB052:548.8-550.44
Mining Method
underground

Location

Location
Main
Easting
5916491
Northing
300768
CRS
MGA2020
Elevation
237 m
Azimuth
116 °
Dip
-46 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong antimony grade over a good true width, contributing positively to the resource potential.

Positive factors

  • Strong antimony grade (2.4%) contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (11.2 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“2.4”

Context: 548.80

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.55

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB053Costerfield Gold-Antimony Mine · goldGrade: 16Grade Unit: g/tIntercept: 3.57 mView all details
Link to this fact

Identity

Hole ID
TB053
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
529.43 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB053:529.43-533
Mining Method
underground

Location

Location
Main
Easting
5916263
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
101 °
Dip
-47 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept demonstrates strong gold mineralization over a good width, contributing positively to the resource potential and continuity.

Positive factors

  • Strong gold grade (16.0 g/t Au) over a good true width (1.51 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (19.7 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“16.0”

Context: 529.43

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.51

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB053Costerfield Gold-Antimony Mine · antimonyGrade: 1.5Grade Unit: %Intercept: 3.57 mView all details
Link to this fact

Identity

Hole ID
TB053
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
529.43 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB053:529.43-533
Mining Method
underground

Location

Location
Main
Easting
5916263
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
101 °
Dip
-47 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept demonstrates strong antimony mineralization over a good width, contributing positively to the resource potential and continuity.

Positive factors

  • Strong antimony grade (1.5%) contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (19.7 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“1.5”

Context: 529.43

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.51

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB017Costerfield Gold-Antimony Mine · goldGrade: 10.7Grade Unit: g/tIntercept: 0.22 mView all details
Link to this fact

Identity

Hole ID
TB017
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
417.87 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB017:417.87-418.09
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a high gold grade over a narrow true width, contributing to the overall mineralization picture.

Positive factors

  • High gold grade (10.7 g/t Au) for narrow vein deposit.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (23.0 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“10.7”

Context: 417.87

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.17

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB017Costerfield Gold-Antimony Mine · antimonyGrade: 5.2Grade Unit: %Intercept: 0.22 mView all details
Link to this fact

Identity

Hole ID
TB017
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
417.87 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB017:417.87-418.09
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong antimony grade over a narrow true width, contributing to the overall mineralization picture.

Positive factors

  • Strong antimony grade (5.2%) contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (23.0 g/t AuEq) indicates strong overall mineralization.

Evidence · table

“5.2”

Context: 417.87

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.17

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB026Costerfield Gold-Antimony Mine · goldGrade: 0.5Grade Unit: g/tIntercept: 0.45 mView all details
Link to this fact

Identity

Hole ID
TB026
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
730.65 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB026:730.65-731.1
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but the antimony contribution results in a moderate gold equivalent grade, adding to the overall mineralization picture.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (6.6 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“0.5”

Context: 730.65

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.41

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB026Costerfield Gold-Antimony Mine · antimonyGrade: 2.6Grade Unit: %Intercept: 0.45 mView all details
Link to this fact

Identity

Hole ID
TB026
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
730.65 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB026:730.65-731.1
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong antimony grade over a narrow true width, contributing to the overall mineralization picture.

Positive factors

  • Strong antimony grade (2.6%) contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (6.6 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“2.6”

Context: 730.65

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.41

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB026Costerfield Gold-Antimony Mine · goldGrade: 1.6Grade Unit: g/tIntercept: 1.16 mView all details
Link to this fact

Identity

Hole ID
TB026
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
716.56 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB026:716.56-717.72
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but the antimony contribution results in a moderate gold equivalent grade, adding to the overall mineralization picture.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (5.7 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“1.6”

Context: 716.56

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.82

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB026Costerfield Gold-Antimony Mine · antimonyGrade: 1.7Grade Unit: %Intercept: 1.16 mView all details
Link to this fact

Identity

Hole ID
TB026
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
716.56 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB026:716.56-717.72
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a moderate antimony grade over a narrow true width, contributing to the overall mineralization picture.

Positive factors

  • Moderate antimony grade contributing to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (5.7 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“1.7”

Context: 716.56

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.82

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB029Costerfield Gold-Antimony Mine · goldGrade: 4.7Grade Unit: g/tIntercept: 1.53 mView all details
Link to this fact

Identity

Hole ID
TB029
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
776.42 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB029:776.42-777.95
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a strong gold grade over a good true width, contributing positively to the resource potential.

Positive factors

  • Strong gold grade (4.7 g/t Au) over a good true width (1.39 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • Moderate gold equivalent grade (5.4 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“4.7”

Context: 776.42

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.39

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB029Costerfield Gold-Antimony Mine · antimonyGrade: 0.3Grade Unit: %Intercept: 1.53 mView all details
Link to this fact

Identity

Hole ID
TB029
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
776.42 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB029:776.42-777.95
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a moderate antimony grade over a good true width, contributing to the overall mineralization picture.

Positive factors

  • Moderate antimony grade contributing to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Moderate gold equivalent grade (5.4 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“0.3”

Context: 776.42

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.39

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB029Costerfield Gold-Antimony Mine · goldGrade: 3.2Grade Unit: g/tIntercept: 1.13 mView all details
Link to this fact

Identity

Hole ID
TB029
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
781.3 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB029:781.3-782.43
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a moderate gold grade over a good true width, contributing positively to the resource potential, despite undetectable antimony.

Positive factors

  • Moderate gold grade (3.2 g/t Au) over a good true width (0.56 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“3.2”

Context: 781.30

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.56

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB029Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 1.13 mView all details
Link to this fact

Identity

Hole ID
TB029
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
1.13 m
True Width
0.56 m
From
781.3 m
To
782.43 m
Intercept Depth
781.3 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB029:781.3-782.43
Mining Method
underground

Location

Location
Associated
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 781.30

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.56

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB032Costerfield Gold-Antimony Mine · goldGrade: 1.7Grade Unit: g/tIntercept: 0.43 mView all details
Link to this fact

Identity

Hole ID
TB032
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
575.43 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB032:575.43-575.86
Mining Method
underground

Location

Location
Associated
Easting
5916491
Northing
300769
CRS
MGA2020
Elevation
227 m
Azimuth
113 °
Dip
-36 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“1.7”

Context: 575.43

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.31

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB032Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.43 mView all details
Link to this fact

Identity

Hole ID
TB032
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.43 m
True Width
0.31 m
From
575.43 m
To
575.86 m
Hole Depth
601 m
Intercept Depth
575.43 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB032:575.43-575.86
Mining Method
underground

Location

Location
Associated
Easting
5916491
Northing
300769
CRS
MGA2020
Elevation
227 m
Azimuth
113 °
Dip
-36 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 575.43

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.31

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB033Costerfield Gold-Antimony Mine · goldGrade: 0.5Grade Unit: g/tIntercept: 0.64 mView all details
Link to this fact

Identity

Hole ID
TB033
Project
Costerfield Gold-Antimony Mine
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
Intercept Depth
522.2 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB033:522.2-522.84
Mining Method
underground

Location

Location
Associated
Easting
5916262
Northing
300735
CRS
MGA2020
Elevation
227 m
Azimuth
108 °
Dip
-40 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“0.5”

Context: 522.20

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB033Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.64 mView all details
Link to this fact

Identity

Hole ID
TB033
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.64 m
True Width
0.6 m
From
522.2 m
To
522.84 m
Hole Depth
539 m
Intercept Depth
522.2 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB033:522.2-522.84
Mining Method
underground

Location

Location
Associated
Easting
5916262
Northing
300735
CRS
MGA2020
Elevation
227 m
Azimuth
108 °
Dip
-40 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 522.20

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB033Costerfield Gold-Antimony Mine · goldGrade: 0.8Grade Unit: g/tIntercept: 0.69 mView all details
Link to this fact

Identity

Hole ID
TB033
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.8
Grade Unit
g/t
Intercept
0.69 m
True Width
0.57 m
From
528.56 m
To
529.25 m
Hole Depth
539 m
Intercept Depth
528.56 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB033:528.56-529.25
Mining Method
underground

Location

Location
Associated
Easting
5916262
Northing
300735
CRS
MGA2020
Elevation
227 m
Azimuth
108 °
Dip
-40 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
0.8
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“0.8”

Context: 528.56

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.57

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB033Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.69 mView all details
Link to this fact

Identity

Hole ID
TB033
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.69 m
True Width
0.57 m
From
528.56 m
To
529.25 m
Hole Depth
539 m
Intercept Depth
528.56 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB033:528.56-529.25
Mining Method
underground

Location

Location
Associated
Easting
5916262
Northing
300735
CRS
MGA2020
Elevation
227 m
Azimuth
108 °
Dip
-40 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
0.8
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 528.56

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.57

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB034ACosterfield Gold-Antimony Mine · goldGrade: 11.7Grade Unit: g/tIntercept: 4.88 mView all details
Link to this fact

Identity

Hole ID
TB034A
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
11.7
Grade Unit
g/t
Intercept
4.88 m
True Width
2.06 m
From
549.36 m
To
554.24 m
Hole Depth
648 m
Intercept Depth
549.36 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB034A:549.36-554.24
Mining Method
underground

Location

Location
Associated
Easting
5916491
Northing
300769
CRS
MGA2020
Elevation
237 m
Azimuth
103 °
Dip
-41 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
27.2
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: This intercept represents a significant discovery of a new high-grade parallel vein, with strong gold and antimony grades over a good true width, adding substantial potential to the project.

Positive factors

  • Strong gold grade (11.7 g/t Au) over a significant true width (2.06 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (27.2 g/t AuEq) indicates strong overall mineralization.
  • This intercept is from a newly discovered high-grade parallel vein, indicating significant exploration upside.

Evidence · table

“11.7”

Context: 549.36

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 2.06

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB034ACosterfield Gold-Antimony Mine · antimonyGrade: 6.5Grade Unit: %Intercept: 4.88 mView all details
Link to this fact

Identity

Hole ID
TB034A
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
6.5
Grade Unit
%
Intercept
4.88 m
True Width
2.06 m
From
549.36 m
To
554.24 m
Hole Depth
648 m
Intercept Depth
549.36 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB034A:549.36-554.24
Mining Method
underground

Location

Location
Associated
Easting
5916491
Northing
300769
CRS
MGA2020
Elevation
237 m
Azimuth
103 °
Dip
-41 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
27.2
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: This intercept represents a significant discovery of a new high-grade parallel vein, with exceptional antimony grades over a good true width, adding substantial potential to the project.

Positive factors

  • Exceptional antimony grade (6.5%) over a significant true width, contributing significantly to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • High gold equivalent grade (27.2 g/t AuEq) indicates strong overall mineralization.
  • This intercept is from a newly discovered high-grade parallel vein, indicating significant exploration upside.

Evidence · table

“6.5”

Context: 549.36

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 2.06

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB035W1Costerfield Gold-Antimony Mine · goldGrade: 3.5Grade Unit: g/tIntercept: 3.51 mView all details
Link to this fact

Identity

Hole ID
TB035W1
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
3.5
Grade Unit
g/t
Intercept
3.51 m
True Width
1.03 m
From
549.49 m
To
553 m
Hole Depth
679 m
Intercept Depth
549.49 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB035W1:549.49-553
Mining Method
underground

Location

Location
Associated
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
111 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
3.6
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: This intercept shows a moderate gold grade over a good true width, contributing positively to the resource potential, despite undetectable antimony.

Positive factors

  • Moderate gold grade (3.5 g/t Au) over a good true width (1.03 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in minimal antimony contribution to AuEq.

Evidence · table

“3.5”

Context: 549.49

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.03

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB035W1Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 3.51 mView all details
Link to this fact

Identity

Hole ID
TB035W1
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
3.51 m
True Width
1.03 m
From
549.49 m
To
553 m
Hole Depth
679 m
Intercept Depth
549.49 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB035W1:549.49-553
Mining Method
underground

Location

Location
Associated
Easting
5916261
Northing
300734
CRS
MGA2020
Elevation
227 m
Azimuth
111 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
3.6
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 549.49

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.03

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB037Costerfield Gold-Antimony Mine · goldGrade: 1.8Grade Unit: g/tIntercept: 2.3 mView all details
Link to this fact

Identity

Hole ID
TB037
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
2.3 m
True Width
1.01 m
From
693.21 m
To
695.51 m
Hole Depth
726 m
Intercept Depth
693.21 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB037:693.21-695.51
Mining Method
underground

Location

Location
Associated
Easting
5916492
Northing
300770
CRS
MGA2020
Elevation
237 m
Azimuth
95 °
Dip
-39 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.8
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“1.8”

Context: 693.21

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.01

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB037Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 2.3 mView all details
Link to this fact

Identity

Hole ID
TB037
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
2.3 m
True Width
1.01 m
From
693.21 m
To
695.51 m
Hole Depth
726 m
Intercept Depth
693.21 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB037:693.21-695.51
Mining Method
underground

Location

Location
Associated
Easting
5916492
Northing
300770
CRS
MGA2020
Elevation
237 m
Azimuth
95 °
Dip
-39 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.8
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 693.21

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.01

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB037Costerfield Gold-Antimony Mine · goldGrade: 1.3Grade Unit: g/tIntercept: 1.29 mView all details
Link to this fact

Identity

Hole ID
TB037
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
1.3
Grade Unit
g/t
Intercept
1.29 m
True Width
0.65 m
From
701.16 m
To
702.45 m
Hole Depth
726 m
Intercept Depth
701.16 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB037:701.16-702.45
Mining Method
underground

Location

Location
Associated
Easting
5916492
Northing
300770
CRS
MGA2020
Elevation
237 m
Azimuth
95 °
Dip
-39 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.3
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“1.3”

Context: 701.16

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.65

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB037Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 1.29 mView all details
Link to this fact

Identity

Hole ID
TB037
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
1.29 m
True Width
0.65 m
From
701.16 m
To
702.45 m
Hole Depth
726 m
Intercept Depth
701.16 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB037:701.16-702.45
Mining Method
underground

Location

Location
Associated
Easting
5916492
Northing
300770
CRS
MGA2020
Elevation
237 m
Azimuth
95 °
Dip
-39 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.3
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 701.16

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.65

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · goldGrade: 1.8Grade Unit: g/tIntercept: 0.18 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
0.18 m
True Width
0.16 m
From
50 m
To
50.18 m
Hole Depth
353 m
Intercept Depth
50 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:50-50.18
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.8
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“1.8”

Context: 50.00

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.16

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.18 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.18 m
True Width
0.16 m
From
50 m
To
50.18 m
Hole Depth
353 m
Intercept Depth
50 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:50-50.18
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.8
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 50.00

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.16

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · goldGrade: 0.7Grade Unit: g/tIntercept: 0.25 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
0.25 m
True Width
0.21 m
From
61.37 m
To
61.62 m
Hole Depth
353 m
Intercept Depth
61.37 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:61.37-61.62
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
0.7
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“0.7”

Context: 61.37

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.21

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.25 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.25 m
True Width
0.21 m
From
61.37 m
To
61.62 m
Hole Depth
353 m
Intercept Depth
61.37 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:61.37-61.62
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
0.7
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 61.37

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.21

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · goldGrade: 1.3Grade Unit: g/tIntercept: 0.21 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
1.3
Grade Unit
g/t
Intercept
0.21 m
True Width
0.19 m
From
77.64 m
To
77.85 m
Hole Depth
353 m
Intercept Depth
77.64 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:77.64-77.85
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.3
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“1.3”

Context: 77.64

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.19

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.21 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.21 m
True Width
0.19 m
From
77.64 m
To
77.85 m
Hole Depth
353 m
Intercept Depth
77.64 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:77.64-77.85
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
1.3
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 77.64

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.19

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · goldGrade: 1.4Grade Unit: g/tIntercept: 0.11 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
0.11 m
True Width
0.09 m
From
97.07 m
To
97.18 m
Hole Depth
353 m
Intercept Depth
97.07 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:97.07-97.18
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows a low gold grade, but contributes to the overall understanding of the mineralization in the area, despite undetectable antimony.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD), resulting in no antimony contribution to AuEq.

Evidence · table

“1.4”

Context: 97.07

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.09

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB038Costerfield Gold-Antimony Mine · antimonyGrade: 0.01Grade Unit: %Intercept: 0.11 mView all details
Link to this fact

Identity

Hole ID
TB038
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
0.01
Grade Unit
%
Intercept
0.11 m
True Width
0.09 m
From
97.07 m
To
97.18 m
Hole Depth
353 m
Intercept Depth
97.07 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB038:97.07-97.18
Mining Method
underground

Location

Location
Associated
Easting
5916387
Northing
301322
CRS
MGA2020
Elevation
220 m
Azimuth
267 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
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: This intercept shows an undetectable antimony grade, but contributes to the overall understanding of the mineralization in the area.

Positive factors

  • True width disclosed, adding confidence to the intercept geometry.

Negative factors

  • Antimony grade is below detection limit (LLD).

Evidence · table

“LLD”

Context: 97.07

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.09

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB052Costerfield Gold-Antimony Mine · goldGrade: 2.7Grade Unit: g/tIntercept: 4.44 mView all details
Link to this fact

Identity

Hole ID
TB052
Project
Costerfield Gold-Antimony Mine
Commodity
gold
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
2.7
Grade Unit
g/t
Intercept
4.44 m
True Width
3.72 m
From
535.57 m
To
540.01 m
Hole Depth
590 m
Intercept Depth
535.57 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB052:535.57-540.01
Mining Method
underground

Location

Location
Associated
Easting
5916491
Northing
300768
CRS
MGA2020
Elevation
237 m
Azimuth
116 °
Dip
-46 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
6.8
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: This intercept shows a moderate gold grade over a significant true width, contributing positively to the resource potential.

Positive factors

  • Moderate gold grade over a significant true width (3.72 m) for an underground operation.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (6.8 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“2.7”

Context: 535.57

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 3.72

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

TB052Costerfield Gold-Antimony Mine · antimonyGrade: 1.7Grade Unit: %Intercept: 4.44 mView all details
Link to this fact

Identity

Hole ID
TB052
Project
Costerfield Gold-Antimony Mine
Commodity
antimony
Region
australia
Reported Region
australia
Ticker
MND

Geometry

Grade
1.7
Grade Unit
%
Intercept
4.44 m
True Width
3.72 m
From
535.57 m
To
540.01 m
Hole Depth
590 m
Intercept Depth
535.57 m

Classification

Program
mixed
Sample Type
drill
Group ID
TB052:535.57-540.01
Mining Method
underground

Location

Location
Associated
Easting
5916491
Northing
300768
CRS
MGA2020
Elevation
237 m
Azimuth
116 °
Dip
-46 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
On Site Laboratory Services (OSLS)
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Metal Equivalent

Metal Eq. Grade
6.8
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: This intercept shows a moderate antimony grade over a significant true width, contributing positively to the resource potential.

Positive factors

  • Moderate antimony grade contributing to the gold equivalent value.
  • True width disclosed, adding confidence to the intercept geometry.
  • Good gold equivalent grade (6.8 g/t AuEq) indicates significant overall mineralization.

Evidence · table

“1.7”

Context: 535.57

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 3.72

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Highlights include: 155.0g/t Au and 3.7% Sb or 164 g/t AuEq over 0.30 m (ETW 0.20m) in TB043; 19.9g/t Au and 2.1% Sb or "

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.