Errington Metals Announces Maiden Mineral Resource Estimate for the Sudbury Basin Project

Original announcement by orestocks on

Company
Errington Metals Corp.
Ticker
EM.V
Exchange
Unavailable
Region
Ontario
Primary commodity
Copper
Secondary commodities
Zinc, Lead, Gold, Silver
Document categories
Resource update
Extracted
2026-09-22 10:18:31 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Errington Metals announced a maiden NI 43-101 compliant Mineral Resource Estimate for its Sudbury Basin Project, effective September 20, 2026. The estimate includes 14.20 Mt of Measured and Indicated resources at 1.20% Cu, 4.02% Zn, 1.11% Pb, 0.83 g/t Au, and 50.25 g/t Ag, along with 3.44 Mt of Inferred resources. Over 80% of the total resources are classified as Measured or Indicated, providing a strong foundation for the project, with all deposits remaining open for expansion.

Reasoning: Errington Metals announced a maiden NI 43-101 compliant Mineral Resource Estimate for its Sudbury Basin Project, with over 80% of the total resources classified as Measured or Indicated, establishing a strong foundation for future development. The estimate includes significant contained metal across multiple commodities (Cu, Zn, Pb, Au, Ag) and notes that all deposits remain open for expansion.

Positive factors

  • Maiden Mineral Resource Estimate establishes a strong foundation for the project.
  • Over 80% of total resources are classified as Measured or Indicated, indicating high confidence.
  • Significant contained metal for multiple commodities (Cu, Zn, Pb, Au, Ag).
  • All deposits remain open for expansion, suggesting future growth potential.
  • QP/CP signed off and NI 43-101 compliant.

Negative factors

  • Cut-off grade for reporting is based on stope optimization, which may not reflect overall deposit economics.
  • Results from 30 drill holes are pending and not included in this MRE, indicating potential for further changes.

Facts used in scoring: 42

Classification and evidence

Cut-off Disclosedpositive

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

Why it applies: A current resource fact retains the disclosed cut-off grade

Extracted facts

Stored fact records: 42. Some facts used in scoring do not have a stored record.

Resource Estimates (42)

measuredSudbury Basin Project · copperTonnes: 7652664Grade: 1.13Grade Unit: %Contained Metal: 86175Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:0932a3f49dae8a8284e7
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
measured
Tonnes
7652664
Grade
1.13
Grade Unit
%
Contained Metal
86175
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for copper at Errington deposit, contributing significantly to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained copper.
  • Part of a maiden resource estimate.

Evidence · table

“1.13”

Context: 7,652,664

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · zincTonnes: 7652664Grade: 3.61Grade Unit: %Contained Metal: 275910Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:0932a3f49dae8a8284e7
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
measured
Tonnes
7652664
Grade
3.61
Grade Unit
%
Contained Metal
275910
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for zinc at Errington deposit, contributing significantly to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained zinc.
  • Part of a maiden resource estimate.

Evidence · table

“3.61”

Context: 7,652,664

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · leadTonnes: 7652664Grade: 0.99Grade Unit: %Contained Metal: 76089Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:0932a3f49dae8a8284e7
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
measured
Tonnes
7652664
Grade
0.99
Grade Unit
%
Contained Metal
76089
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for lead at Errington deposit, contributing significantly to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained lead.
  • Part of a maiden resource estimate.

Evidence · table

“0.99”

Context: 7,652,664

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · goldTonnes: 7652664Grade: 0.81Grade Unit: g/tContained Metal: 198143Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:0932a3f49dae8a8284e7
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
measured
Tonnes
7652664
Grade
0.81
Grade Unit
g/t
Contained Metal
198143
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for gold at Errington deposit, contributing significantly to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained gold.
  • Part of a maiden resource estimate.

Evidence · table

“0.81”

Context: 7,652,664

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · silverTonnes: 7652664Grade: 46.08Grade Unit: g/tContained Metal: 11337846Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:0932a3f49dae8a8284e7
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
measured
Tonnes
7652664
Grade
46.08
Grade Unit
g/t
Contained Metal
11337846
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for silver at Errington deposit, contributing significantly to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained silver.
  • Part of a maiden resource estimate.

Evidence · table

“46.08”

Context: 7,652,664

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · copper_equivalentTonnes: 7652664View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:0932a3f49dae8a8284e7
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
measured
Tonnes
7652664
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for copper equivalent at Errington deposit, contributing significantly to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained copper equivalent.
  • Part of a maiden resource estimate.

Evidence · table

“2.54”

Context: 7,652,664

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · copperTonnes: 2968518Grade: 1.13Grade Unit: %Contained Metal: 33572Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:54a5adfc84269efae504
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
indicated
Tonnes
2968518
Grade
1.13
Grade Unit
%
Contained Metal
33572
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for copper at Errington deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained copper.
  • Part of a maiden resource estimate.

Evidence · table

“1.13”

Context: 2,968,518

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · zincTonnes: 2968518Grade: 4.55Grade Unit: %Contained Metal: 134936Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:54a5adfc84269efae504
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
indicated
Tonnes
2968518
Grade
4.55
Grade Unit
%
Contained Metal
134936
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for zinc at Errington deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained zinc.
  • Part of a maiden resource estimate.

Evidence · table

“4.55”

Context: 2,968,518

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · leadTonnes: 2968518Grade: 1.3Grade Unit: %Contained Metal: 38475Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:54a5adfc84269efae504
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
indicated
Tonnes
2968518
Grade
1.3
Grade Unit
%
Contained Metal
38475
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for lead at Errington deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained lead.
  • Part of a maiden resource estimate.

Evidence · table

“1.30”

Context: 2,968,518

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · goldTonnes: 2968518Grade: 0.81Grade Unit: g/tContained Metal: 77051Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:54a5adfc84269efae504
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
indicated
Tonnes
2968518
Grade
0.81
Grade Unit
g/t
Contained Metal
77051
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for gold at Errington deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained gold.
  • Part of a maiden resource estimate.

Evidence · table

“0.81”

Context: 2,968,518

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · silverTonnes: 2968518Grade: 54.58Grade Unit: g/tContained Metal: 5209514Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:54a5adfc84269efae504
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
indicated
Tonnes
2968518
Grade
54.58
Grade Unit
g/t
Contained Metal
5209514
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for silver at Errington deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained silver.
  • Part of a maiden resource estimate.

Evidence · table

“54.58”

Context: 2,968,518

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · copper_equivalentTonnes: 2968518View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:54a5adfc84269efae504
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
indicated
Tonnes
2968518
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for copper equivalent at Errington deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained copper equivalent.
  • Part of a maiden resource estimate.

Evidence · table

“2.79”

Context: 2,968,518

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · copperTonnes: 2000962Grade: 1.33Grade Unit: %Contained Metal: 26621Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:9dc32854b598ec67bb92
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
measured
Tonnes
2000962
Grade
1.33
Grade Unit
%
Contained Metal
26621
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for copper at Vermilion deposit, contributing to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained copper.
  • Part of a maiden resource estimate.

Evidence · table

“1.33”

Context: 2,000,962

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · zincTonnes: 2000962Grade: 4.53Grade Unit: %Contained Metal: 90724Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:9dc32854b598ec67bb92
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
measured
Tonnes
2000962
Grade
4.53
Grade Unit
%
Contained Metal
90724
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for zinc at Vermilion deposit, contributing to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained zinc.
  • Part of a maiden resource estimate.

Evidence · table

“4.53”

Context: 2,000,962

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · leadTonnes: 2000962Grade: 1.24Grade Unit: %Contained Metal: 24804Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:9dc32854b598ec67bb92
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
measured
Tonnes
2000962
Grade
1.24
Grade Unit
%
Contained Metal
24804
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for lead at Vermilion deposit, contributing to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained lead.
  • Part of a maiden resource estimate.

Evidence · table

“1.24”

Context: 2,000,962

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · goldTonnes: 2000962Grade: 0.9Grade Unit: g/tContained Metal: 58087Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:9dc32854b598ec67bb92
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
measured
Tonnes
2000962
Grade
0.9
Grade Unit
g/t
Contained Metal
58087
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for gold at Vermilion deposit, contributing to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained gold.
  • Part of a maiden resource estimate.

Evidence · table

“0.90”

Context: 2,000,962

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · silverTonnes: 2000962Grade: 56.75Grade Unit: g/tContained Metal: 3650558Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:9dc32854b598ec67bb92
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
measured
Tonnes
2000962
Grade
56.75
Grade Unit
g/t
Contained Metal
3650558
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for silver at Vermilion deposit, contributing to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained silver.
  • Part of a maiden resource estimate.

Evidence · table

“56.75”

Context: 2,000,962

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

measuredSudbury Basin Project · copper_equivalentTonnes: 2000962View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:9dc32854b598ec67bb92
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
measured
Tonnes
2000962
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Measured resource for copper equivalent at Vermilion deposit, contributing to the overall MRE with high confidence.

Positive factors

  • High confidence Measured category.
  • Significant tonnage and contained copper equivalent.
  • Part of a maiden resource estimate.

Evidence · table

“3.05”

Context: 2,000,962

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · copperTonnes: 1582181Grade: 1.56Grade Unit: %Contained Metal: 24665Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:625859beae8d14e4bfe0
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
indicated
Tonnes
1582181
Grade
1.56
Grade Unit
%
Contained Metal
24665
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for copper at Vermilion deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained copper.
  • Part of a maiden resource estimate.

Evidence · table

“1.56”

Context: 1,582,181

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · zincTonnes: 1582181Grade: 4.4Grade Unit: %Contained Metal: 69665Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:625859beae8d14e4bfe0
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
indicated
Tonnes
1582181
Grade
4.4
Grade Unit
%
Contained Metal
69665
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for zinc at Vermilion deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained zinc.
  • Part of a maiden resource estimate.

Evidence · table

“4.40”

Context: 1,582,181

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · leadTonnes: 1582181Grade: 1.11Grade Unit: %Contained Metal: 17605Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:625859beae8d14e4bfe0
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
indicated
Tonnes
1582181
Grade
1.11
Grade Unit
%
Contained Metal
17605
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for lead at Vermilion deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained lead.
  • Part of a maiden resource estimate.

Evidence · table

“1.11”

Context: 1,582,181

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · goldTonnes: 1582181Grade: 0.91Grade Unit: g/tContained Metal: 46364Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:625859beae8d14e4bfe0
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
indicated
Tonnes
1582181
Grade
0.91
Grade Unit
g/t
Contained Metal
46364
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for gold at Vermilion deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained gold.
  • Part of a maiden resource estimate.

Evidence · table

“0.91”

Context: 1,582,181

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · silverTonnes: 1582181Grade: 54.05Grade Unit: g/tContained Metal: 2749567Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:625859beae8d14e4bfe0
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
indicated
Tonnes
1582181
Grade
54.05
Grade Unit
g/t
Contained Metal
2749567
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for silver at Vermilion deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained silver.
  • Part of a maiden resource estimate.

Evidence · table

“54.05”

Context: 1,582,181

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

indicatedSudbury Basin Project · copper_equivalentTonnes: 1582181View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:625859beae8d14e4bfe0
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
indicated
Tonnes
1582181
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Indicated resource for copper equivalent at Vermilion deposit, contributing to the overall MRE with reasonable confidence.

Positive factors

  • Indicated category provides reasonable geological confidence.
  • Significant tonnage and contained copper equivalent.
  • Part of a maiden resource estimate.

Evidence · table

“3.23”

Context: 1,582,181

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · copperTonnes: 804289Grade: 1.24Grade Unit: %Contained Metal: 10011Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:e629dc5ca4244098c207
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
inferred
Tonnes
804289
Grade
1.24
Grade Unit
%
Contained Metal
10011
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.81
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for copper at Errington deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“1.24”

Context: 804,289

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · zincTonnes: 804289Grade: 4.3Grade Unit: %Contained Metal: 34614Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:e629dc5ca4244098c207
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
inferred
Tonnes
804289
Grade
4.3
Grade Unit
%
Contained Metal
34614
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.81
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for zinc at Errington deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“4.30”

Context: 804,289

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · leadTonnes: 804289Grade: 1.2Grade Unit: %Contained Metal: 9646Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:e629dc5ca4244098c207
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
inferred
Tonnes
804289
Grade
1.2
Grade Unit
%
Contained Metal
9646
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.81
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for lead at Errington deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“1.20”

Context: 804,289

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · goldTonnes: 804289Grade: 0.79Grade Unit: g/tContained Metal: 20363Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:e629dc5ca4244098c207
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
inferred
Tonnes
804289
Grade
0.79
Grade Unit
g/t
Contained Metal
20363
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.81
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for gold at Errington deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“0.79”

Context: 804,289

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · silverTonnes: 804289Grade: 51.79Grade Unit: g/tContained Metal: 1339190Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:e629dc5ca4244098c207
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
inferred
Tonnes
804289
Grade
51.79
Grade Unit
g/t
Contained Metal
1339190
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.81
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for silver at Errington deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“51.79”

Context: 804,289

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · copper_equivalentTonnes: 804289View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:e629dc5ca4244098c207
Deposit or zone
Errington
Mining method
underground

Resource Data

Category
inferred
Tonnes
804289
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.81
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for copper equivalent at Errington deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“2.81”

Context: 804,289

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · copperTonnes: 357339Grade: 1.11Grade Unit: %Contained Metal: 3975Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:2a6e02735f72ba7c8182
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
inferred
Tonnes
357339
Grade
1.11
Grade Unit
%
Contained Metal
3975
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for copper at Vermilion deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“1.11”

Context: 357,339

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · zincTonnes: 357339Grade: 4.92Grade Unit: %Contained Metal: 17571Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:2a6e02735f72ba7c8182
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
inferred
Tonnes
357339
Grade
4.92
Grade Unit
%
Contained Metal
17571
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for zinc at Vermilion deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“4.92”

Context: 357,339

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · leadTonnes: 357339Grade: 1.24Grade Unit: %Contained Metal: 4428Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:2a6e02735f72ba7c8182
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
inferred
Tonnes
357339
Grade
1.24
Grade Unit
%
Contained Metal
4428
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for lead at Vermilion deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“1.24”

Context: 357,339

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · goldTonnes: 357339Grade: 1.08Grade Unit: g/tContained Metal: 12400Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:2a6e02735f72ba7c8182
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
inferred
Tonnes
357339
Grade
1.08
Grade Unit
g/t
Contained Metal
12400
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for gold at Vermilion deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“1.08”

Context: 357,339

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · silverTonnes: 357339Grade: 58.15Grade Unit: g/tContained Metal: 668051Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:2a6e02735f72ba7c8182
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
inferred
Tonnes
357339
Grade
58.15
Grade Unit
g/t
Contained Metal
668051
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for silver at Vermilion deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“58.15”

Context: 357,339

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · copper_equivalentTonnes: 357339View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:2a6e02735f72ba7c8182
Deposit or zone
Vermilion
Mining method
underground

Resource Data

Category
inferred
Tonnes
357339
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for copper equivalent at Vermilion deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“3.00”

Context: 357,339

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · copperTonnes: 2274831Grade: 0.93Grade Unit: %Contained Metal: 21126Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:52ab66ca93110b0fa6de
Deposit or zone
Balfour
Mining method
underground

Resource Data

Category
inferred
Tonnes
2274831
Grade
0.93
Grade Unit
%
Contained Metal
21126
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.57
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for copper at Balfour deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“0.93”

Context: 2,274,831

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · zincTonnes: 2274831Grade: 4.68Grade Unit: %Contained Metal: 106548Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
zinc
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:52ab66ca93110b0fa6de
Deposit or zone
Balfour
Mining method
underground

Resource Data

Category
inferred
Tonnes
2274831
Grade
4.68
Grade Unit
%
Contained Metal
106548
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.57
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for zinc at Balfour deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“4.68”

Context: 2,274,831

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · leadTonnes: 2274831Grade: 1.99Grade Unit: %Contained Metal: 45207Contained Unit: tView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
lead
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:52ab66ca93110b0fa6de
Deposit or zone
Balfour
Mining method
underground

Resource Data

Category
inferred
Tonnes
2274831
Grade
1.99
Grade Unit
%
Contained Metal
45207
Contained Unit
t
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.57
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for lead at Balfour deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“1.99”

Context: 2,274,831

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · goldTonnes: 2274831Grade: 0.41Grade Unit: g/tContained Metal: 29982Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:52ab66ca93110b0fa6de
Deposit or zone
Balfour
Mining method
underground

Resource Data

Category
inferred
Tonnes
2274831
Grade
0.41
Grade Unit
g/t
Contained Metal
29982
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.57
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for gold at Balfour deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“0.41”

Context: 2,274,831

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · silverTonnes: 2274831Grade: 73.08Grade Unit: g/tContained Metal: 5345239Contained Unit: ozView all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
silver
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:52ab66ca93110b0fa6de
Deposit or zone
Balfour
Mining method
underground

Resource Data

Category
inferred
Tonnes
2274831
Grade
73.08
Grade Unit
g/t
Contained Metal
5345239
Contained Unit
oz
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.57
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for silver at Balfour deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“73.08”

Context: 2,274,831

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

inferredSudbury Basin Project · copper_equivalentTonnes: 2274831View all details
Link to this fact

Identity

Project
Sudbury Basin Project
Commodity
copper_equivalent
Region
canada_on
Reported Region
Ontario
Ticker
EM.V

Resource scope

Estimate type
resource
Effective date
2026-09-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ryan Wilson, Ph.D., P. Geo.
Resource group id
resource:52ab66ca93110b0fa6de
Deposit or zone
Balfour
Mining method
underground

Resource Data

Category
inferred
Tonnes
2274831
Cutoff Grade
1.5
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2026-09-20

Metal Equivalent

Metal Eq. Grade
2.57
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Lab

Laboratory
ALS Canada, Activation Labs, MSALABS

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Inferred resource for copper equivalent at Balfour deposit, indicating potential for future growth but with lower confidence.

Positive factors

  • Newly recognized Inferred resources reflect high potential for additional mineralization.
  • Part of a maiden resource estimate.

Negative factors

  • Inferred category has lower confidence and cannot support economic studies alone.

Evidence · table

“2.57”

Context: 2,274,831

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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.