McEwen Generates Strong Q1 Results & Advances Multi-Asset Growth Strategy; Net Income $33.4M ($0.56 per Share) vs. Net Loss $6.3M ($0.12 per Share) in Q1 2025; Internally Funding Key Projects to Double Production by 2030

Original announcement by tmx on

Company
McEwen Inc.
Ticker
MUX
Exchange
TSX
Region
Unavailable
Primary commodity
Gold
Secondary commodities
Silver, Copper
Document categories
Drill results, Production, Resource update
Extracted
2026-09-12 14:55:17 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

McEwen Inc. reported strong Q1 2026 financial results with a net income of $33.4 million, a significant improvement from a net loss in Q1 2025, and increased production across its operations. The company advanced its multi-asset growth strategy, including an updated Mineral Resource Estimate for the Windfall deposit and positive exploration results at its Gold Bar, Fox Complex, and Tartan projects. McEwen aims to double its production by 2030, primarily through internal funding, and is progressing key development projects in Canada, USA, Mexico, and Argentina.

Reasoning: McEwen Inc. reported strong Q1 2026 financial results, including a significant turnaround to net income, alongside increased production and positive updates on its multi-asset growth strategy, featuring new resource estimates and promising exploration results that support its goal to double production by 2030.

Positive factors

  • Strong financial performance with net income and increased EBITDA
  • Significant increase in Q1 production year-over-year
  • Positive resource updates for Windfall and overall Gold Bar Mine Complex
  • Good exploration results extending mineralization at multiple projects
  • Internal funding strategy to support future production growth
  • Progress on key development projects like Stock Mine and El Gallo
  • Cost reductions at San José Mine

Negative factors

  • Increased costs at Gold Bar Mine Complex due to lower grades and increased waste mining
  • Higher AISC at Fox Complex due to development work
  • Two contractor fatalities reported

Facts used in scoring: 40

Classification and evidence

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The Windfall Mineral Resource Estimate includes 227,500 gold ounces in the Indicated category, representing a reasonable level of geological confidence.

Evidence · table

“Indicated”

Context: 9,402.8

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The Windfall Mineral Resource Estimate includes 127,800 gold ounces in the Inferred category, which is a speculative category with lower geological confidence.

Evidence · table

“Inferred”

Context: 2,596.4

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The Gold Bar Mine Complex includes 168,000 gold ounces in the Probable Reserves category, indicating demonstrated economic viability.

Evidence · table

“8,624”

Context: Gold Bar Mine

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The Gold Bar Mine Complex includes 792,000 gold ounces in the Indicated category, representing a reasonable level of geological confidence for the combined projects.

Evidence · table

“38,603”

Context: Total

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The Gold Bar Mine Complex includes 281,000 gold ounces in the Inferred category, which is a speculative category with lower geological confidence for the combined projects.

Evidence · table

“11,256”

Context: Total

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The Tartan Mine Project has 308,900 gold ounces in the Indicated category, providing a good level of confidence for the potential mine restart.

Evidence · text

“underground Indicated Resources totalling 308,900 gold ounces (2,619,000 tonnes at 3.67 gpt Au)”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The Tartan Mine Project has 302,700 gold ounces in the Inferred category, which is a speculative category with lower geological confidence.

Evidence · text

“Inferred Resources totalling 302,700 gold ounces (2,832,900 tonnes at 3.32 gpt Au)”

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: The technical content, including resource estimates and reserves, has been reviewed and approved by multiple Qualified Persons as defined by SEC S-K 1300 and NI 43-101.

Evidence · text

“reviewed and approved by William (Bill) Shaver, P.Eng., COO of McEwen Inc. and a Qualified Person as defined by SEC S-K 1300 and the Canadian Securities Administrators National Instrument 43-101”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The resource estimates and technical information are prepared under the supervision of Qualified Persons as defined by Canadian Securities Administrators National Instrument 43-101.

Evidence · text

“Canadian Securities Administrators National Instrument 43-101 "Standards of Disclosure for Mineral Projects."”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The Windfall Mineral Resource Estimate explicitly states an 'Open Pit Au Cut-off Grade: 0.005 oz/ton oxide'.

Evidence · text

“Open Pit Au Cut-off Grade: 0.005 oz/ton oxide”

Bonanza Interceptpositive

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

Why it applies: The drillhole WF181 at Windfall returned 9.8 gpt gold over 24.4 meters, which is an exceptionally high grade for an open-pit porphyry target (exceptional threshold >=1 g/t).

Evidence · text

“9.8 gpt gold over 24.4 meters (RCW) in drillhole WF181”

Bonanza Interceptpositive

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

Why it applies: The drillhole 25GF-1655 at Grey Fox returned 254.2 gpt gold over 0.8 meters, which is an extremely high grade for an underground target (exceptional threshold >=15 g/t).

Evidence · text

“254.2 gpt gold over 0.8 meters (TW) in drillhole 25GF-1655”

True Width Disclosedpositive

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

Why it applies: Several drill results at Grey Fox and Stroud explicitly state 'TW' (True Width), such as '6.1 gpt gold over 7.3 meters (TW)'.

Evidence · text

“6.1 gpt gold over 7.3 meters (TW) in drillhole 25GF-1675”

QA/QC Disclosedpositive

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

Why it applies: The release states that 'McEwen Inc. follows a closely controlled and documented Chain of Custody protocol and submits certified reference materials and blanks in the sample stream'.

Evidence · text

“As part of our regular QA/QC program McEwen Inc. follows a closely controlled and documented Chain of Custody protocol and submits certified reference materials and blanks in the sample stream for the monitoring and assessment of laboratory processes and procedures.”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Drillhole 26GF-1698 at Grey Fox 'Expanded the zone by 85 meters vertically or by 30% and remains open for expansion'.

Evidence · text

“Expanded the zone by 85 meters vertically or by 30% and remains open for expansion”

Nearology Playneutral

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

Why it applies: The company highlights that Golden Lake’s Jewel Ridge and Jewel Ridge West projects 'adjoin McEwen’s Windfall deposit to the north and have encouraging historical drill results, which highlight the potential to further grow our resources'.

Evidence · text

“Golden Lake’s Jewel Ridge and Jewel Ridge West projects adjoin McEwen’s Windfall deposit to the north and have encouraging historical drill results, which highlight the potential to further grow our resources at the Gold Bar Mine Complex”

Production Growthpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: Consolidated production increased to 30,471 GEOs in Q1 2026 from 24,132 GEOs in Q1 2025, a 26% increase.

Evidence · table

“30,471”

Context: Consolidated Production

Cost Reductionpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: San José Mine's cash costs per GEO decreased by 8% and AISC per GEO decreased by 11% compared to Q1 2025.

Evidence · table

“$2,365”

Context: San José Mine, Argentina (49%)

Extracted facts

Stored fact records: 28. Some facts used in scoring do not have a stored record.

Drill Results (21)

WF181Windfall · goldGrade: 9.8Grade Unit: g/tIntercept: 24.4 mView all details
Link to this fact

Identity

Hole ID
WF181
Project
Windfall
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
9.8
Grade Unit
g/t
Intercept
24.4 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This intercept represents a bonanza-grade result over a significant width, indicating strong mineralization and potential for resource expansion at the Windfall deposit.

Positive factors

  • Exceptional gold grade (9.8 gpt) for an open-pit target
  • Significant intercept length (24.4 m)
  • Indicates strong mineralization potential at Windfall
  • Mineralization is open to the northwest

Evidence · text

“9.8 gpt gold over 24.4 meters (RCW) in drillhole WF181”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

WF181Windfall · goldGrade: 0.9Grade Unit: g/tIntercept: 25.9 mView all details
Link to this fact

Identity

Hole ID
WF181
Project
Windfall
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
0.9
Grade Unit
g/t
Intercept
25.9 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This intercept, while lower grade than the other from WF181, still shows good width and a grade that supports the open-pit potential of the Windfall deposit.

Positive factors

  • Good intercept length (25.9 m)
  • Grade is above the open-pit porphyry weak threshold (0.15 g/t)
  • Mineralization is open to the northwest

Evidence · text

“0.9 gpt gold over 25.9 meters (RCW) in drillhole WF181”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PK 105Trinity Ridge · goldGrade: 1.2Grade Unit: g/tIntercept: 18.3 mView all details
Link to this fact

Identity

Hole ID
PK 105
Project
Trinity Ridge
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
1.2
Grade Unit
g/t
Intercept
18.3 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill intercept at Trinity Ridge provides good gold grades over a reasonable width, supporting the company's strategy to expand and merge existing open pits.

Positive factors

  • Good gold grade (1.2 gpt) for an open-pit target
  • Solid intercept length (18.3 m)
  • Supports development plans for merging existing pits

Evidence · text

“1.2 gpt gold over 18.3 meters (RCW) in drillhole PK 105”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PK 107Trinity Ridge · goldGrade: 1.1Grade Unit: g/tIntercept: 15.2 mView all details
Link to this fact

Identity

Hole ID
PK 107
Project
Trinity Ridge
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
1.1
Grade Unit
g/t
Intercept
15.2 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill intercept at Trinity Ridge provides good gold grades over a reasonable width, further supporting the company's development plans for the area.

Positive factors

  • Good gold grade (1.1 gpt) for an open-pit target
  • Solid intercept length (15.2 m)
  • Supports development plans for merging existing pits

Evidence · text

“1.1 gpt gold over 15.2 meters (RCW) in drillhole PK 107”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PK 110Trinity Ridge · goldGrade: 1Grade Unit: g/tIntercept: 35.1 mView all details
Link to this fact

Identity

Hole ID
PK 110
Project
Trinity Ridge
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
1
Grade Unit
g/t
Intercept
35.1 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This intercept at Trinity Ridge shows good gold grade over a substantial width, providing strong support for the planned expansion and merging of open pits.

Positive factors

  • Good gold grade (1.0 gpt) for an open-pit target
  • Excellent intercept length (35.1 m)
  • Strongly supports development plans for merging existing pits

Evidence · text

“1.0 gpt gold over 35.1 meters (RCW) in drillhole PK 110”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PK 115Trinity Ridge · goldGrade: 1.9Grade Unit: g/tIntercept: 41.1 mView all details
Link to this fact

Identity

Hole ID
PK 115
Project
Trinity Ridge
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
1.9
Grade Unit
g/t
Intercept
41.1 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This intercept at Trinity Ridge is a very strong result with high gold grade over an exceptional width, significantly bolstering the development plans for the area.

Positive factors

  • Strong gold grade (1.9 gpt) for an open-pit target
  • Exceptional intercept length (41.1 m)
  • Provides significant support for development plans

Evidence · text

“1.9 gpt gold over 41.1 meters (RCW) in drillhole PK 115”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

RG053Trinity Ridge · goldGrade: 1.7Grade Unit: g/tIntercept: 21.3 mView all details
Link to this fact

Identity

Hole ID
RG053
Project
Trinity Ridge
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
MUX

Geometry

Grade
1.7
Grade Unit
g/t
Intercept
21.3 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill intercept at Trinity Ridge shows strong gold grades over a good width, providing further positive support for the planned pit expansion.

Positive factors

  • Strong gold grade (1.7 gpt) for an open-pit target
  • Good intercept length (21.3 m)
  • Supports development plans for merging existing pits

Evidence · text

“1.7 gpt gold over 21.3 meters (RCW) in drillhole RG053”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

25GF-1675Grey Fox · goldGrade: 6.1Grade Unit: g/tIntercept: 7.3 mView all details
Link to this fact

Identity

Hole ID
25GF-1675
Project
Grey Fox
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
6.1
Grade Unit
g/t
Intercept
7.3 m
True Width
7.3 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This infill drill result at Grey Fox confirms high-grade mineralization with good continuity and true width, supporting accelerated mining due to its proximity to existing infrastructure.

Positive factors

  • High gold grade (6.1 gpt) for an underground target
  • True width disclosed, increasing confidence in geometry
  • Demonstrates good continuity with higher grades in an infill hole
  • Located near existing underground infrastructure

Evidence · text

“6.1 gpt gold over 7.3 meters (TW) in drillhole 25GF-1675”

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 7.3

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

25GF-1611Grey Fox · goldGrade: 5.3Grade Unit: g/tIntercept: 7.3 mView all details
Link to this fact

Identity

Hole ID
25GF-1611
Project
Grey Fox
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
5.3
Grade Unit
g/t
Intercept
7.3 m
True Width
7.3 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result from an expansion zone at Grey Fox shows high-grade gold over a good true width, suggesting potential for extending the resource beyond current limits.

Positive factors

  • High gold grade (5.3 gpt) for an underground target
  • True width disclosed
  • Located in an expansion zone, indicating potential for resource growth

Evidence · text

“5.3 gpt gold over 7.3 meters (TW) in drillhole 25GF-1611”

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 7.3

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

25GF-1655Grey Fox · goldGrade: 254.2Grade Unit: g/tIntercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
25GF-1655
Project
Grey Fox
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
254.2
Grade Unit
g/t
Intercept
0.8 m
True Width
0.8 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This bonanza-grade intercept, despite its narrow width, indicates very high-grade mineralization near existing infrastructure at Grey Fox, with potential for expansion.

Positive factors

  • Extremely high gold grade (254.2 gpt)
  • True width disclosed
  • Located near existing infrastructure and remains open for expansion

Negative factors

  • Narrow intercept length (0.8 m)

Evidence · text

“254.2 gpt gold over 0.8 meters (TW) in drillhole 25GF-1655”

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 0.8

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

26GF-1698Grey Fox · goldGrade: 11.9Grade Unit: g/tIntercept: 5.7 mView all details
Link to this fact

Identity

Hole ID
26GF-1698
Project
Grey Fox
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
11.9
Grade Unit
g/t
Intercept
5.7 m
True Width
5.7 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Grey Fox shows very high-grade gold over a good true width, significantly expanding the known mineralization and indicating further growth potential.

Positive factors

  • Very high gold grade (11.9 gpt) for an underground target
  • True width disclosed
  • Expanded the zone significantly (85 meters vertically or 30%)
  • Zone remains open for expansion

Evidence · text

“11.9 gpt gold over 5.7 meters (TW) in drillhole 26GF-1698”

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 5.7

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

25GF-1653Stroud · goldGrade: 12.6Grade Unit: g/tIntercept: 5.9 mView all details
Link to this fact

Identity

Hole ID
25GF-1653
Project
Stroud
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
12.6
Grade Unit
g/t
Intercept
5.9 m
True Width
5.9 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Stroud confirms very high-grade gold mineralization over a good true width, validating historical data and supporting the upcoming resource update.

Positive factors

  • Very high gold grade (12.6 gpt)
  • True width disclosed
  • Confirms historical drilling, supporting resource update

Evidence · text

“12.6 gpt gold over 5.9 meters TW in drillhole 25GF-1653”

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 5.9

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

25GF-1643Stroud · goldGrade: 5Grade Unit: g/tIntercept: 13.4 mView all details
Link to this fact

Identity

Hole ID
25GF-1643
Project
Stroud
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
5
Grade Unit
g/t
Intercept
13.4 m
True Width
13.4 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Stroud shows high-grade gold over a significant true width, confirming historical data and contributing positively to the resource update.

Positive factors

  • High gold grade (5.0 gpt)
  • Significant true width (13.4 m)
  • Confirms historical drilling, supporting resource update

Evidence · text

“5.0 gpt gold over 13.4 meters TW in drillhole 25GF-1643”

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 13.4

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

25GF-1664Stroud · goldGrade: 4.4Grade Unit: g/tIntercept: 11.6 mView all details
Link to this fact

Identity

Hole ID
25GF-1664
Project
Stroud
Commodity
gold
Region
canada_on
Reported Region
canada_on
Ticker
MUX

Geometry

Grade
4.4
Grade Unit
g/t
Intercept
11.6 m
True Width
11.6 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Stroud shows good gold grade over a significant true width, further confirming historical data for the upcoming resource update.

Positive factors

  • Good gold grade (4.4 gpt)
  • Significant true width (11.6 m)
  • Confirms historical drilling, supporting resource update

Evidence · text

“4.4 gpt gold over 11.6 meters TW in drillhole 25GF-1664”

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 11.6

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

TLMZ26-52Tartan Mine · goldGrade: 4.9Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
TLMZ26-52
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
4.9
Grade Unit
g/t
Intercept
20 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows high-grade gold over a significant width, expanding the mineralization at depth and indicating further growth potential beyond the recent MRE.

Positive factors

  • High gold grade (4.9 gpt) for an underground target
  • Significant intercept length (20.0 m)
  • Expanded mineralization approximately 80 meters to the west at depth

Evidence · text

“4.9 gpt gold over 20.0 meters (CW) in drillhole TLMZ26-52”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

TLMZ26-52W3Tartan Mine · goldGrade: 9.6Grade Unit: g/tIntercept: 11.9 mView all details
Link to this fact

Identity

Hole ID
TLMZ26-52W3
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
9.6
Grade Unit
g/t
Intercept
11.9 m

Classification

Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows very high-grade gold over a good width, contributing to the expansion of mineralization along the western flank.

Positive factors

  • Very high gold grade (9.6 gpt) for an underground target
  • Good intercept length (11.9 m)
  • Contributes to expansion along the western flank

Evidence · text

“9.6 gpt gold over 11.9 meters (CW) in drillhole TLMZ26-52W3”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

TLMZ26-52W1Tartan Mine · goldGrade: 6.4Grade Unit: g/tIntercept: 13.8 mView all details
Link to this fact

Identity

Hole ID
TLMZ26-52W1
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
6.4
Grade Unit
g/t
Intercept
13.8 m

Classification

Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows high-grade gold over a good width, further contributing to the expansion of mineralization along the western flank.

Positive factors

  • High gold grade (6.4 gpt) for an underground target
  • Good intercept length (13.8 m)
  • Contributes to expansion along the western flank

Evidence · text

“6.4 gpt gold over 13.8 meters (CW) in drillhole TLMZ26-52W1”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

TLMZ26-52Tartan Mine · goldGrade: 5Grade Unit: g/tIntercept: 6.4 mView all details
Link to this fact

Identity

Hole ID
TLMZ26-52
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
5
Grade Unit
g/t
Intercept
6.4 m

Classification

Sample Type
drill

Location

Location
West Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows high-grade gold, contributing to the expansion of mineralization along the western flank.

Positive factors

  • High gold grade (5.0 gpt) for an underground target
  • Contributes to expansion along the western flank

Evidence · text

“5.0 gpt gold over 6.4 meters (CW) in drillhole TLMZ26-52”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

TLMZ25-51W4Tartan Mine · goldGrade: 4.8Grade Unit: g/tIntercept: 7.9 mView all details
Link to this fact

Identity

Hole ID
TLMZ25-51W4
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
4.8
Grade Unit
g/t
Intercept
7.9 m

Classification

Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows high-grade gold, contributing to the expansion of mineralization along the western flank.

Positive factors

  • High gold grade (4.8 gpt) for an underground target
  • Contributes to expansion along the western flank

Evidence · text

“4.8 gpt gold over 7.9 meters (CW) in drillhole TLMZ25-51W4”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

TLMZ26-52W2Tartan Mine · goldGrade: 4.4Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
TLMZ26-52W2
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
4.4
Grade Unit
g/t
Intercept
5 m

Classification

Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows high-grade gold, contributing to the expansion of mineralization along the western flank.

Positive factors

  • High gold grade (4.4 gpt) for an underground target
  • Contributes to expansion along the western flank

Evidence · text

“4.4 gpt gold over 5.0 meters (CW) in drillhole TLMZ26-52W2”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

TLMZ25-51W5Tartan Mine · goldGrade: 3Grade Unit: g/tIntercept: 7.6 mView all details
Link to this fact

Identity

Hole ID
TLMZ25-51W5
Project
Tartan Mine
Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
MUX

Geometry

Grade
3
Grade Unit
g/t
Intercept
7.6 m

Classification

Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: This drill result at Tartan shows good gold grade, contributing to the expansion of mineralization along the western flank.

Positive factors

  • Good gold grade (3.0 gpt) for an underground target
  • Contributes to expansion along the western flank

Evidence · text

“3.0 gpt gold over 7.6 meters (CW) in drillhole TLMZ25-51W5”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Resource Estimates (7)

indicatedWindfall · goldTonnes: 9402800Grade: 0.75Grade Unit: g/tContained Metal: 227500Contained Unit: ozView all details
Link to this fact

Identity

Project
Windfall
Commodity
gold
Region
usa_nv
Reported Region
Nevada, USA
Ticker
MUX

Resource scope

Estimate type
resource
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
Michael Baumann
Resource group id
resource:bc52eb42600593e1f000
Material type
oxide

Resource Data

Category
indicated
Tonnes
9402800
Grade
0.75
Grade Unit
g/t
Contained Metal
227500
Contained Unit
oz
Cutoff Grade
0.005
Cutoff Unit
oz/ton gold

Prior Estimate

Resource Date
2026-02-11

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The new Indicated resource for Windfall adds significant gold ounces to the Gold Bar Mine Complex, supporting the company's growth strategy with a clear path to processing via heap leaching.

Positive factors

  • New resource estimate for Windfall deposit
  • Indicated category provides good confidence
  • Open-pit mining method suggests lower operating costs
  • Oxide mineralization amenable to heap leaching

Evidence · table

“Indicated”

Context: 9,402.8

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

inferredWindfall · goldTonnes: 2596400Grade: 1.53Grade Unit: g/tContained Metal: 127800Contained Unit: ozView all details
Link to this fact

Identity

Project
Windfall
Commodity
gold
Region
usa_nv
Reported Region
Nevada, USA
Ticker
MUX

Resource scope

Estimate type
resource
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
Michael Baumann
Resource group id
resource:571e669c598be4497332
Material type
oxide

Resource Data

Category
inferred
Tonnes
2596400
Grade
1.53
Grade Unit
g/t
Contained Metal
127800
Contained Unit
oz
Cutoff Grade
0.005
Cutoff Unit
oz/ton gold

Prior Estimate

Resource Date
2026-02-11

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The Inferred resource for Windfall adds additional gold ounces with a higher grade, indicating good exploration potential, though with lower confidence due to its category.

Positive factors

  • New resource estimate for Windfall deposit
  • Higher grade than indicated resource, suggesting potential for future upgrades
  • Open-pit mining method and oxide mineralization

Negative factors

  • Inferred category has lower geological confidence

Evidence · table

“Inferred”

Context: 2,596.4

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

probableGold Bar Mine Complex · goldTonnes: 8624000Grade: 0.61Grade Unit: g/tContained Metal: 168000Contained Unit: ozView all details
Link to this fact

Identity

Project
Gold Bar Mine Complex
Commodity
gold
Region
usa_nv
Reported Region
Nevada, USA
Ticker
MUX

Resource scope

Estimate type
reserve
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
William (Bill) Shaver, Michael Baumann, Robert Kastelic
Resource group id
resource:aca770e6e5f103cfa96d

Resource Data

Category
probable
Tonnes
8624000
Grade
0.61
Grade Unit
g/t
Contained Metal
168000
Contained Unit
oz

Prior Estimate

Resource Date
2026-02-11

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The Probable Reserves for the Gold Bar Mine Complex confirm a portion of the resource is economically viable, providing a solid foundation for future production.

Positive factors

  • Probable Reserves indicate economic viability
  • Contributes to the overall long-life asset strategy for Gold Bar Mine Complex

Evidence · table

“8,624”

Context: Gold Bar Mine

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

indicatedGold Bar Mine Complex · goldTonnes: 38603000Grade: 0.64Grade Unit: g/tContained Metal: 792000Contained Unit: ozView all details
Link to this fact

Identity

Project
Gold Bar Mine Complex
Commodity
gold
Region
usa_nv
Reported Region
Nevada, USA
Ticker
MUX

Resource scope

Estimate type
resource
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
William (Bill) Shaver, Michael Baumann, Robert Kastelic
Resource group id
resource:7a05117bc92eb042ebdf

Resource Data

Category
indicated
Tonnes
38603000
Grade
0.64
Grade Unit
g/t
Contained Metal
792000
Contained Unit
oz

Prior Estimate

Resource Date
2026-02-11

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The substantial Indicated Resources for the Gold Bar Mine Complex provide a strong foundation for the company's production growth targets and long-term mine life.

Positive factors

  • Significant Indicated Resources for the entire complex
  • High confidence category for future mine planning
  • Supports the long-life asset strategy

Evidence · table

“38,603”

Context: Total

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

inferredGold Bar Mine Complex · goldTonnes: 11256000Grade: 0.78Grade Unit: g/tContained Metal: 281000Contained Unit: ozView all details
Link to this fact

Identity

Project
Gold Bar Mine Complex
Commodity
gold
Region
usa_nv
Reported Region
Nevada, USA
Ticker
MUX

Resource scope

Estimate type
resource
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
William (Bill) Shaver, Michael Baumann, Robert Kastelic
Resource group id
resource:bc5e82fa3f17fe088a0f

Resource Data

Category
inferred
Tonnes
11256000
Grade
0.78
Grade Unit
g/t
Contained Metal
281000
Contained Unit
oz

Prior Estimate

Resource Date
2026-02-11

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The Inferred Resources contribute to the overall scale of the Gold Bar Mine Complex, offering future exploration and conversion potential, though with lower confidence.

Positive factors

  • Adds to the overall resource base of the complex
  • Higher grade than the Indicated resource, indicating potential for future upgrades

Negative factors

  • Inferred category has lower geological confidence

Evidence · table

“11,256”

Context: Total

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

indicatedTartan Mine Project · goldTonnes: 2619000Grade: 3.67Grade Unit: g/tContained Metal: 308900Contained Unit: ozView all details
Link to this fact

Identity

Project
Tartan Mine Project
Commodity
gold
Region
canada_mb
Reported Region
Manitoba, Canada
Ticker
MUX

Resource scope

Estimate type
resource
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
Luke Willis, William (Bill) Shaver
Resource group id
resource:e10d9aed2c43ced740ba

Resource Data

Category
indicated
Tonnes
2619000
Grade
3.67
Grade Unit
g/t
Contained Metal
308900
Contained Unit
oz

Prior Estimate

Resource Date
2026-03-23

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The new Indicated Resource at Tartan provides a solid base for the potential restart of the mine, with a good grade for an underground operation.

Positive factors

  • New Indicated Resource estimate for Tartan Mine Project
  • Underground mining method with good grade for this type
  • Forms the foundation for a potential mine restart

Evidence · text

“underground Indicated Resources totalling 308,900 gold ounces (2,619,000 tonnes at 3.67 gpt Au)”

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

inferredTartan Mine Project · goldTonnes: 2832900Grade: 3.32Grade Unit: g/tContained Metal: 302700Contained Unit: ozView all details
Link to this fact

Identity

Project
Tartan Mine Project
Commodity
gold
Region
canada_mb
Reported Region
Manitoba, Canada
Ticker
MUX

Resource scope

Estimate type
resource
Reporting standards
sec_sk1300, ni_43_101
QP Signed
Yes
Qualified person names
Luke Willis, William (Bill) Shaver
Resource group id
resource:ee9ad30ded7a3b4de9ff

Resource Data

Category
inferred
Tonnes
2832900
Grade
3.32
Grade Unit
g/t
Contained Metal
302700
Contained Unit
oz

Prior Estimate

Resource Date
2026-03-23

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-07T00:00:00.000Z

Reasoning: The Inferred Resource at Tartan adds to the project's potential, with mineralization open for expansion, but requires further drilling to upgrade confidence.

Positive factors

  • New Inferred Resource estimate for Tartan Mine Project
  • Adds significant gold ounces to the project
  • Mineralization is open for expansion

Negative factors

  • Inferred category has lower geological confidence

Evidence · text

“Inferred Resources totalling 302,700 gold ounces (2,832,900 tonnes at 3.32 gpt Au)”

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

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.