NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus

Original announcement by tmx on

Company
NorthWest Copper Corp.
Ticker
NWST
Exchange
TSX
Region
British Columbia
Primary commodity
Copper
Secondary commodities
Gold, Silver
Document categories
Resource update, Metallurgy
Extracted
2026-09-16 15:03:21 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

NorthWest Copper Corp. announced an updated Mineral Resource Estimate for its Kwanika Central deposit in British Columbia, reflecting a strategic shift to higher-grade copper-gold mineralization. The estimate, prepared by SLR Consulting and compliant with NI 43-101, includes both open pit and sub-level cave components, forming the basis for a Preliminary Economic Assessment targeted for mid-2026. The update highlights significant indicated and inferred resources for copper, gold, and silver, supported by detailed metallurgical test work.

Reasoning: NorthWest Copper Corp. announced a significant updated Mineral Resource Estimate for its Kwanika Central deposit, reflecting a strategic focus on higher-grade copper-gold mineralization and incorporating both open pit and sub-level cave mining methods. This update, compliant with NI 43-101 and supported by detailed metallurgy, will form the basis for an upcoming Preliminary Economic Assessment, indicating strong progress towards project development despite some inherent dilution in the underground resource.

Positive factors

  • Updated Mineral Resource Estimate for key project
  • Strategic shift to higher-grade copper-gold focus
  • Inclusion of both open pit and sub-level cave mining methods
  • Resource estimate will support an updated PEA
  • Strong QP sign-off and NI 43-101 compliance
  • Detailed metallurgical test work with high recoveries

Negative factors

  • Potential dilution from unclassified host rock in sub-level cave resource
  • PEA is still targeted for mid-2026, not yet complete

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

Facts used in scoring: 27

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

Resource Updateneutral

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

Why it applies: The source explicitly discloses a revised resource estimate

Evidence · text

“Updated Mineral Resource”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: the document describes a flotation route ("flotation")

Extracted facts

Stored fact records: 27. Some facts used in scoring do not have a stored record.

Resource Estimates (24)

indicatedKwanika Central · copperTonnes: 16220000View all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:62e84f41930f4188cdf5
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
16220000

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Metal Eq. Grade
1.27
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated resource of 16.22 Mt at 1.27% CuEq reflects the combined value of copper, gold, and silver, with transparent assumptions for its calculation.

Positive factors

  • High CuEq grade for indicated resource
  • Metal equivalent assumptions disclosed for transparency

Evidence · table

“1.27”

Context: 16.22

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

indicatedKwanika Central · goldTonnes: 16220000Grade: 0.74Grade Unit: g/tContained Metal: 383Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:62e84f41930f4188cdf5
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
16220000
Grade
0.74
Grade Unit
g/t
Contained Metal
383
Contained Unit
koz

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated gold resource of 16.22 Mt at 0.74 g/t Au adds substantial value to the Kwanika Central deposit, aligning with the strategic focus on higher-grade copper-gold mineralization.

Positive factors

  • Significant indicated gold resource
  • Part of an updated resource estimate supporting a PEA

Evidence · table

“0.74”

Context: 16.22

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

indicatedKwanika Central · silverTonnes: 16220000Grade: 2Grade Unit: g/tContained Metal: 1035Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:62e84f41930f4188cdf5
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
16220000
Grade
2
Grade Unit
g/t
Contained Metal
1035
Contained Unit
koz

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated silver resource of 16.22 Mt at 2.0 g/t Ag provides additional byproduct value to the Kwanika Central deposit, contributing to the overall economic potential.

Positive factors

  • Significant indicated silver resource
  • Part of an updated resource estimate supporting a PEA

Evidence · table

“2.0”

Context: 16.22

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

inferredKwanika Central · copperTonnes: 28970000Grade: 307.6Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:e37566f2c8340a2555be
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
28970000
Grade
307.6
Grade Unit
mlbs

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred resource of 28.97 Mt at 1.05% CuEq indicates strong overall metal content, providing a basis for future resource conversion and economic studies.

Positive factors

  • Good CuEq grade for inferred resource
  • Metal equivalent assumptions disclosed for transparency

Evidence · table

“307.6”

Context: 28.97

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

inferredKwanika Central · goldTonnes: 28970000Grade: 0.63Grade Unit: g/tContained Metal: 589Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:e37566f2c8340a2555be
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
28970000
Grade
0.63
Grade Unit
g/t
Contained Metal
589
Contained Unit
koz

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred gold resource of 28.97 Mt at 0.63 g/t Au further enhances the long-term potential of the Kwanika Central deposit, supporting the higher-grade focus.

Positive factors

  • Substantial inferred gold resource adds future potential

Evidence · table

“0.63”

Context: 28.97

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

inferredKwanika Central · silverTonnes: 28970000Grade: 1.5Grade Unit: g/tContained Metal: 1393Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:e37566f2c8340a2555be
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
28970000
Grade
1.5
Grade Unit
g/t
Contained Metal
1393
Contained Unit
koz

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred silver resource of 28.97 Mt at 1.5 g/t Ag contributes to the overall contained metal, offering additional byproduct potential for the project.

Positive factors

  • Significant inferred silver resource adds future potential

Evidence · table

“1.5”

Context: 28.97

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

indicatedKwanika Central · copperTonnes: 8990000View all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:d36a62bbee47d8a4d283
Deposit or zone
Kwanika Central
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
8990000
Cutoff Grade
24.06
Cutoff Unit
C$/t NSR

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Metal Eq. Grade
0.98
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated open pit resource of 8.99 Mt at 0.98% CuEq demonstrates the combined value of the metals, supporting the economic potential of the open pit component.

Positive factors

  • Good CuEq grade for indicated open pit resource
  • Metal equivalent assumptions disclosed for transparency

Evidence · table

“0.98”

Context: 8.99

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

indicatedKwanika Central · goldTonnes: 8990000Grade: 0.51Grade Unit: g/tContained Metal: 148Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:d36a62bbee47d8a4d283
Deposit or zone
Kwanika Central
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
8990000
Grade
0.51
Grade Unit
g/t
Contained Metal
148
Contained Unit
koz
Cutoff Grade
24.06
Cutoff Unit
C$/t NSR

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated open pit gold resource of 8.99 Mt at 0.51 g/t Au contributes to the higher-grade focus for the early years of a potential mine, enhancing overall project economics.

Positive factors

  • Indicated open pit gold resource supports early mine life potential
  • Clear cut-off grade disclosed for open pit

Evidence · table

“0.51”

Context: 8.99

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

indicatedKwanika Central · silverTonnes: 8990000Grade: 1.8Grade Unit: g/tContained Metal: 512Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:d36a62bbee47d8a4d283
Deposit or zone
Kwanika Central
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
8990000
Grade
1.8
Grade Unit
g/t
Contained Metal
512
Contained Unit
koz
Cutoff Grade
24.06
Cutoff Unit
C$/t NSR

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated open pit silver resource of 8.99 Mt at 1.8 g/t Ag provides additional byproduct credits, contributing to the overall economic viability of the open pit component.

Positive factors

  • Indicated open pit silver resource adds byproduct value
  • Clear cut-off grade disclosed for open pit

Evidence · table

“1.8”

Context: 8.99

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

inferredKwanika Central · copperTonnes: 9180000View all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:d5a2c90d4ed3b719089f
Deposit or zone
Kwanika Central
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
9180000
Cutoff Grade
24.06
Cutoff Unit
C$/t NSR

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Metal Eq. Grade
0.63
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred open pit resource of 9.18 Mt at 0.63% CuEq indicates the overall metal content, providing a basis for future resource conversion and economic studies for the open pit.

Positive factors

  • Inferred open pit CuEq grade adds future potential
  • Metal equivalent assumptions disclosed for transparency

Evidence · table

“0.63”

Context: 9.18

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

inferredKwanika Central · goldTonnes: 9180000Grade: 0.35Grade Unit: g/tContained Metal: 104Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:d5a2c90d4ed3b719089f
Deposit or zone
Kwanika Central
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
9180000
Grade
0.35
Grade Unit
g/t
Contained Metal
104
Contained Unit
koz
Cutoff Grade
24.06
Cutoff Unit
C$/t NSR

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred open pit gold resource of 9.18 Mt at 0.35 g/t Au contributes to the overall gold potential, albeit at a lower grade and confidence level than indicated resources.

Positive factors

  • Inferred open pit gold resource adds future potential

Evidence · table

“0.35”

Context: 9.18

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

inferredKwanika Central · silverTonnes: 9180000Grade: 1Grade Unit: g/tContained Metal: 300Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:d5a2c90d4ed3b719089f
Deposit or zone
Kwanika Central
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
9180000
Grade
1
Grade Unit
g/t
Contained Metal
300
Contained Unit
koz
Cutoff Grade
24.06
Cutoff Unit
C$/t NSR

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred open pit silver resource of 9.18 Mt at 1.0 g/t Ag offers additional byproduct potential, contributing to the overall contained metal in the open pit component.

Positive factors

  • Inferred open pit silver resource adds byproduct potential

Evidence · table

“1.0”

Context: 9.18

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

indicatedKwanika Central · copperTonnes: 7230000View all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:6072a8bc6d4403f1f825
Deposit or zone
Kwanika Central
Mining method
underground
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
7230000
Cutoff Grade
0
Cutoff Unit
C$/t

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Metal Eq. Grade
1.64
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated underground resource of 7.23 Mt at 1.64% CuEq highlights the strong combined metal value, supporting the economic potential of the sub-level cave method despite dilution concerns.

Positive factors

  • High CuEq grade for indicated underground resource
  • Metal equivalent assumptions disclosed for transparency

Negative factors

  • Potential dilution from unclassified host rock within the mining envelope

Evidence · table

“1.64”

Context: 7.23

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

indicatedKwanika Central · goldTonnes: 7230000Grade: 1.01Grade Unit: g/tContained Metal: 235Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:6072a8bc6d4403f1f825
Deposit or zone
Kwanika Central
Mining method
underground
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
7230000
Grade
1.01
Grade Unit
g/t
Contained Metal
235
Contained Unit
koz
Cutoff Grade
0
Cutoff Unit
C$/t

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated underground gold resource of 7.23 Mt at 1.01 g/t Au is a strong component of the higher-grade focus for underground mining, despite the potential for dilution.

Positive factors

  • High-grade indicated underground gold resource
  • Strategic shift to underground mining methods

Negative factors

  • Potential dilution from unclassified host rock within the mining envelope

Evidence · table

“1.01”

Context: 7.23

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

indicatedKwanika Central · silverTonnes: 7230000Grade: 2.3Grade Unit: g/tContained Metal: 523Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:6072a8bc6d4403f1f825
Deposit or zone
Kwanika Central
Mining method
underground
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
7230000
Grade
2.3
Grade Unit
g/t
Contained Metal
523
Contained Unit
koz
Cutoff Grade
0
Cutoff Unit
C$/t

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated underground silver resource of 7.23 Mt at 2.3 g/t Ag provides additional byproduct value, contributing to the overall economics of the sub-level cave mining method.

Positive factors

  • Indicated underground silver resource adds byproduct value

Negative factors

  • Potential dilution from unclassified host rock within the mining envelope

Evidence · table

“2.3”

Context: 7.23

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

inferredKwanika Central · copperTonnes: 19800000View all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:60925fe57342750f29bf
Deposit or zone
Kwanika Central
Mining method
underground
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
19800000
Cutoff Grade
0
Cutoff Unit
C$/t

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Metal Eq. Grade
1.24
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred underground resource of 19.80 Mt at 1.24% CuEq indicates strong overall metal content, providing a basis for future resource conversion and economic studies for the sub-level cave.

Positive factors

  • Good CuEq grade for inferred underground resource
  • Metal equivalent assumptions disclosed for transparency

Negative factors

  • Potential dilution from unclassified host rock within the mining envelope

Evidence · table

“1.24”

Context: 19.80

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

inferredKwanika Central · goldTonnes: 19800000Grade: 0.76Grade Unit: g/tContained Metal: 485Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:60925fe57342750f29bf
Deposit or zone
Kwanika Central
Mining method
underground
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
19800000
Grade
0.76
Grade Unit
g/t
Contained Metal
485
Contained Unit
koz
Cutoff Grade
0
Cutoff Unit
C$/t

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred underground gold resource of 19.80 Mt at 0.76 g/t Au contributes significantly to the higher-grade focus for underground mining, with potential for future conversion.

Positive factors

  • Substantial inferred underground gold resource adds future potential

Negative factors

  • Potential dilution from unclassified host rock within the mining envelope

Evidence · table

“0.76”

Context: 19.80

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

inferredKwanika Central · silverTonnes: 19800000Grade: 1.7Grade Unit: g/tContained Metal: 1093Contained Unit: kozView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2026-02-27T00:00:00.000Z
Reporting standards
ni_43_101, other
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:60925fe57342750f29bf
Deposit or zone
Kwanika Central
Mining method
underground
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
19800000
Grade
1.7
Grade Unit
g/t
Contained Metal
1093
Contained Unit
koz
Cutoff Grade
0
Cutoff Unit
C$/t

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred underground silver resource of 19.80 Mt at 1.7 g/t Ag contributes to the overall contained metal, providing additional byproduct potential for the sub-level cave method.

Positive factors

  • Significant inferred underground silver resource adds byproduct potential

Negative factors

  • Potential dilution from unclassified host rock within the mining envelope

Evidence · table

“1.7”

Context: 19.80

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

indicatedKwanika Central · copperTonnes: 16220000Grade: 226.6Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2023-01-04T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:0e98fe8ddfb3762f2422
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
16220000
Grade
226.6
Grade Unit
mlbs

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The indicated copper resource of 16.22 Mt at 0.63% Cu contributes significantly to the overall updated resource estimate for the Kwanika Central deposit, providing a strong foundation for future economic studies. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Significant indicated copper resource
  • Part of an updated resource estimate supporting a PEA

Evidence · table

“226.6”

Context: 16.22

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

inferredKwanika Central · copperTonnes: 28970000Grade: 307.6Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2023-01-04T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
April Barrios, Stacy Freudigmann, Jarek Jakubec, Anoush Ebrahimi, Daniel Grabiec, Geoff Chinn
Resource group id
resource:441d502d7624bcb18ad0
Deposit or zone
Kwanika Central
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
28970000
Grade
307.6
Grade Unit
mlbs

Prior Estimate

Resource Date
2026-02-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The inferred copper resource of 28.97 Mt at 0.48% Cu provides significant upside potential for the Kwanika Central deposit, although with lower geological confidence. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Substantial inferred copper resource adds future potential

Evidence · table

“307.6”

Context: 28.97

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

indicatedTable 2a Breakdown of Open Pit Mineral Resource at Kwanika Central · copperTonnes: 8990000Grade: 109.5Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Table 2a Breakdown of Open Pit Mineral Resource at Kwanika Central
Commodity
copper
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2023-01-04T00:00:00.000Z
Reporting standards
ni_43_101
Resource group id
resource:f1e25a484f7e13a789b8
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
8990000
Grade
109.5
Grade Unit
mlbs

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“109.5”

Context: 8.99

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

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

inferredTable 2a Breakdown of Open Pit Mineral Resource at Kwanika Central · copperTonnes: 9180000Grade: 66.1Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Table 2a Breakdown of Open Pit Mineral Resource at Kwanika Central
Commodity
copper
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2023-01-04T00:00:00.000Z
Reporting standards
ni_43_101
Resource group id
resource:3eb177b8296d8b89401d
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
9180000
Grade
66.1
Grade Unit
mlbs

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“66.1”

Context: 9.18

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

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

indicatedTable 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central · copperTonnes: 7230000Grade: 117Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Table 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central
Commodity
copper
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2023-01-04T00:00:00.000Z
Reporting standards
ni_43_101
Resource group id
resource:f04ed40a1ffe45816389
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
7230000
Grade
117
Grade Unit
mlbs

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“117.0”

Context: 7.23

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

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

inferredTable 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central · copperTonnes: 19800000Grade: 241.5Grade Unit: mlbsView all details
Link to this fact

Identity

Project
Table 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central
Commodity
copper
Ticker
NWST

Resource scope

Estimate type
resource
Effective date
2023-01-04T00:00:00.000Z
Reporting standards
ni_43_101
Resource group id
resource:63d8d2bdf790efc36d2b
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
19800000
Grade
241.5
Grade Unit
mlbs

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“241.5”

Context: 19.80

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

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

Metallurgical Results (3)

flotationKwanika Central · copperView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Test Work

Program Status
detailed
Test Type
flotation
Processing Route
grind to 53 microns, flotation, leach float tailings
Grind P80
53 µm

Recovery

Conc. Grade
24.5
Conc. Grade Unit
%

Reagents

Reagent Notes
Reagent consumption during the leach was decreased relative to the previous work as the residual copper content was low. This in turn, allowed the process to use standard tailings treatment processes.

Lab

Consultant
Canenco Consulting Corp.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The copper concentrate grade of 24.5% is a good quality concentrate, indicating effective separation and marketability for the copper product.

Positive factors

  • Good copper concentrate grade
  • Detailed test work supports resource estimate

Evidence · table

“24.5”

Context: Copper concentrate

Tags used in scoring

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: processing_route matches the flotation signal

flotationKwanika Central · goldView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Test Work

Program Status
detailed
Test Type
flotation
Processing Route
grind to 53 microns, flotation, leach float tailings
Grind P80
53 µm

Recovery

Conc. Grade
40.3
Conc. Grade Unit
g/t

Reagents

Reagent Notes
Reagent consumption during the leach was decreased relative to the previous work as the residual copper content was low. This in turn, allowed the process to use standard tailings treatment processes.

Lab

Consultant
Canenco Consulting Corp.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The gold concentrate grade of 40.3 g/t indicates a high-quality gold product within the copper concentrate, contributing to the overall value.

Positive factors

  • Good gold concentrate grade
  • Detailed test work supports resource estimate

Evidence · table

“40.3”

Context: g/t Au

Tags used in scoring

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: processing_route matches the flotation signal

flotationKwanika Central · silverView all details
Link to this fact

Identity

Project
Kwanika Central
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
NWST

Test Work

Program Status
detailed
Test Type
flotation
Processing Route
grind to 53 microns, flotation, leach float tailings
Grind P80
53 µm

Recovery

Conc. Grade
71.6
Conc. Grade Unit
g/t

Reagents

Reagent Notes
Reagent consumption during the leach was decreased relative to the previous work as the residual copper content was low. This in turn, allowed the process to use standard tailings treatment processes.

Lab

Consultant
Canenco Consulting Corp.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-02T00:00:00.000Z

Reasoning: The silver concentrate grade of 71.6 g/t indicates a valuable byproduct within the copper concentrate, further enhancing the project's economics.

Positive factors

  • Good silver concentrate grade
  • Detailed test work supports resource estimate

Evidence · table

“71.6”

Context: g/t Ag

Tags used in scoring

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: processing_route matches the flotation signal

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.