Avalon Announces Updated Mineral Resource Estimate for Nechalacho Basal Zone, Revalidating Scale and Economic Development Potential of a Large, North American Source of Light and Heavy Rare Earth Elements
Original announcement by tmx on
- Company
- Avalon Advanced Materials Inc.
- Ticker
- AVL
- Exchange
- TSX
- Region
- Northwest Territories
- Primary commodity
- Rare earth elements
- Secondary commodities
- Zirconium, Niobium, Tantalum
- Document categories
- Resource update
- Extracted
- 2026-09-19 10:34:41 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Avalon Advanced Materials Inc. announced an updated Mineral Resource Estimate for its Nechalacho Basal Zone, reporting 58.6 million tonnes of Measured and Indicated resources grading 1.49% TREO and 130.6 million tonnes of Inferred resources grading 1.31% TREO. The MRE, prepared under S-K 1300 standards with an effective date of July 14, 2026, incorporates current economic assumptions and highlights the project's strategic importance due to its diverse rare earth element composition, including a high proportion of magnet rare earths. This update supersedes the 2013 estimate and provides a new foundation for advancing the project, with a PEA currently underway.
Reasoning: The document announces a significant update to the Nechalacho Basal Zone MRE, showing substantial growth in Inferred resources and a revalidation of the project's scale and economic potential under current S-K 1300 standards. The high concentration of magnet rare earth elements and the overall mineral diversity are key positive factors, establishing a strong foundation for future development.
Positive factors
- Significant increase in Inferred resources, indicating potential for future growth.
- Updated MRE incorporates current economic assumptions and reporting standards (S-K 1300), providing a contemporary foundation for project evaluation.
- High proportion of magnet rare earth elements (Nd, Pr, Dy, Tb) contributing significantly to in-situ REO value.
- Broad suite of light and heavy rare earth elements, plus zirconium, niobium, and tantalum, highlighting mineral diversity and strategic importance.
Negative factors
- The historical estimate and current MRE are not directly comparable due to different reporting standards, methodologies, and economic assumptions.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 82
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 Estimate”
Extracted facts
Stored fact records: 82. Some facts used in scoring do not have a stored record.
Resource Estimates (82)
measuredNechalacho Basal Zone · rare earth elementsTonnes: 10300000Grade: 1.52Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 1.52
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This is a high-confidence Measured resource, updated to current standards, providing a robust foundation for project evaluation.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Evidence · table
“1.52%”
Context: 10.3
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
measuredNechalacho Basal Zone · zirconiumTonnes: 10300000Grade: 2.79Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- zirconium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 2.79
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for zirconium adds to the overall value proposition and mineral diversity of the project, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Zirconium is a secondary commodity adding to the project's diversity.
Evidence · table
“2.79%”
Context: 10.3
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
measuredNechalacho Basal Zone · niobiumTonnes: 10300000Grade: 0.36Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- niobium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.36
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for niobium contributes to the project's diverse mineral endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Niobium is a secondary commodity adding to the project's diversity.
Evidence · table
“0.36%”
Context: 10.3
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
measuredNechalacho Basal Zone · tantalumTonnes: 10300000Grade: 0.03Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- tantalum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.03
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for tantalum further enhances the project's mineral diversity, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Tantalum is a secondary commodity adding to the project's diversity.
Evidence · table
“0.03%”
Context: 10.3
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
indicatedNechalacho Basal Zone · rare earth elementsTonnes: 48300000Grade: 1.49Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 1.49
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This is a substantial Indicated resource, updated to current standards, providing a strong basis for future studies.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Evidence · table
“1.49%”
Context: 48.3
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
indicatedNechalacho Basal Zone · zirconiumTonnes: 48300000Grade: 2.69Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- zirconium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 2.69
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for zirconium contributes to the project's diverse mineral endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Zirconium is a secondary commodity adding to the project's diversity.
Evidence · table
“2.69%”
Context: 48.3
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
indicatedNechalacho Basal Zone · niobiumTonnes: 48300000Grade: 0.35Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- niobium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.35
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for niobium contributes to the project's diverse mineral endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Niobium is a secondary commodity adding to the project's diversity.
Evidence · table
“0.35%”
Context: 48.3
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
indicatedNechalacho Basal Zone · tantalumTonnes: 48300000Grade: 0.03Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- tantalum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.03
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for tantalum further enhances the project's mineral diversity, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Tantalum is a secondary commodity adding to the project's diversity.
Evidence · table
“0.03%”
Context: 48.3
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
inferredNechalacho Basal Zone · rare earth elementsTonnes: 130600000Grade: 1.31Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 1.31
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: The substantial Inferred resource, significantly increased from the prior estimate and updated to current standards, indicates strong exploration potential, though with lower confidence than M&I categories.
Positive factors
- Significant increase in Inferred resources compared to prior estimate.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“1.31%”
Context: 130.6
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
inferredNechalacho Basal Zone · zirconiumTonnes: 130600000Grade: 2.43Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- zirconium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 2.43
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for zirconium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for zirconium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“2.43%”
Context: 130.6
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
inferredNechalacho Basal Zone · niobiumTonnes: 130600000Grade: 0.34Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- niobium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.34
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for niobium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for niobium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.34%”
Context: 130.6
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
inferredNechalacho Basal Zone · tantalumTonnes: 130600000Grade: 0.03Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- tantalum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.03
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for tantalum further enhances the project's mineral diversity and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for tantalum, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.03%”
Context: 130.6
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
indicatedNechalacho Basal Zone · rare earth elementsTonnes: 58600000Grade: 1.49Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 1.49
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource provides a robust and high-confidence foundation for the project, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Evidence · table
“1.49 %”
Context: 58.6
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
indicatedNechalacho Basal Zone · zirconiumTonnes: 58600000Grade: 2.74Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- zirconium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 2.74
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for zirconium enhances the project's overall value and diversity, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for zirconium.
- Updated with current economic assumptions and S-K 1300 standards.
- Zirconium is a secondary commodity adding to the project's diversity.
Evidence · table
“2.74 %”
Context: 58.6
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
indicatedNechalacho Basal Zone · niobiumTonnes: 58600000Grade: 0.35Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- niobium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.35
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for niobium contributes to the project's diverse mineral endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for niobium.
- Updated with current economic assumptions and S-K 1300 standards.
- Niobium is a secondary commodity adding to the project's diversity.
Evidence · table
“0.35 %”
Context: 58.6
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
indicatedNechalacho Basal Zone · tantalumTonnes: 58600000Grade: 0.03Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- tantalum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.03
- Grade Unit
- %
- Cutoff Grade
- 366.4
- Cutoff Unit
- US$/t NMR
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for tantalum further enhances the project's mineral diversity, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for tantalum.
- Updated with current economic assumptions and S-K 1300 standards.
- Tantalum is a secondary commodity adding to the project's diversity.
Evidence · table
“0.03 %”
Context: 58.6
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
measuredNechalacho Basal Zone · rare earth elementsTonnes: 10300000Grade: 1.517Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 1.517
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This is a high-confidence Measured resource, updated to current standards, providing a robust foundation for project evaluation.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Evidence · table
“1.517”
Context: 10.3
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 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
measuredNechalacho Basal Zone · lanthanumTonnes: 10300000Grade: 0.246Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lanthanum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.246
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for lanthanum contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Lanthanum is a component of the rare earth element suite.
Evidence · table
“0.246”
Context: 10.3
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 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
measuredNechalacho Basal Zone · ceriumTonnes: 10300000Grade: 0.573Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- cerium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.573
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for cerium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Cerium is a component of the rare earth element suite.
Evidence · table
“0.573”
Context: 10.3
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 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
measuredNechalacho Basal Zone · praseodymiumTonnes: 10300000Grade: 0.07Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- praseodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.07
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for praseodymium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Praseodymium is a key magnet rare earth element.
Evidence · table
“0.070”
Context: 10.3
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 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
measuredNechalacho Basal Zone · neodymiumTonnes: 10300000Grade: 0.267Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- neodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.267
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for neodymium, a critical magnet rare earth, is a significant positive for the project, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Neodymium is a key magnet rare earth element.
Evidence · table
“0.267”
Context: 10.3
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 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
measuredNechalacho Basal Zone · samariumTonnes: 10300000Grade: 0.058Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- samarium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.058
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for samarium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Samarium is a component of the rare earth element suite.
Evidence · table
“0.058”
Context: 10.3
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 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
measuredNechalacho Basal Zone · europiumTonnes: 10300000Grade: 0.007Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- europium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.007
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for europium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Europium is a component of the rare earth element suite.
Evidence · table
“0.007”
Context: 10.3
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 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
measuredNechalacho Basal Zone · gadoliniumTonnes: 10300000Grade: 0.049Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- gadolinium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.049
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for gadolinium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Gadolinium is a component of the rare earth element suite.
Evidence · table
“0.049”
Context: 10.3
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 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
measuredNechalacho Basal Zone · terbiumTonnes: 10300000Grade: 0.007Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- terbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.007
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for terbium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Terbium is a key magnet rare earth element.
Evidence · table
“0.007”
Context: 10.3
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 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
measuredNechalacho Basal Zone · dysprosiumTonnes: 10300000Grade: 0.037Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- dysprosium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.037
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for dysprosium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Dysprosium is a key magnet rare earth element.
Evidence · table
“0.037”
Context: 10.3
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 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
measuredNechalacho Basal Zone · holmiumTonnes: 10300000Grade: 0.006Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- holmium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.006
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for holmium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Holmium is a component of the rare earth element suite.
Evidence · table
“0.006”
Context: 10.3
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 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
measuredNechalacho Basal Zone · erbiumTonnes: 10300000Grade: 0.016Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- erbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.016
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for erbium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Erbium is a component of the rare earth element suite.
Evidence · table
“0.016”
Context: 10.3
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 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
measuredNechalacho Basal Zone · thuliumTonnes: 10300000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- thulium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for thulium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Thulium is a component of the rare earth element suite.
Evidence · table
“0.002”
Context: 10.3
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 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
measuredNechalacho Basal Zone · ytterbiumTonnes: 10300000Grade: 0.013Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- ytterbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.013
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for ytterbium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Ytterbium is a component of the rare earth element suite.
Evidence · table
“0.013”
Context: 10.3
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 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
measuredNechalacho Basal Zone · lutetiumTonnes: 10300000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lutetium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for lutetium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Lutetium is a component of the rare earth element suite.
Evidence · table
“0.002”
Context: 10.3
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 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
measuredNechalacho Basal Zone · yttriumTonnes: 10300000Grade: 0.162Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- yttrium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:a689dd0b33c1f4959f2f
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 10300000
- Grade
- 0.162
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Measured resource for yttrium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- High confidence Measured resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Yttrium is a component of the rare earth element suite.
Evidence · table
“0.162”
Context: 10.3
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 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
indicatedNechalacho Basal Zone · rare earth elementsTonnes: 48300000Grade: 1.489Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 1.489
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This is a substantial Indicated resource, updated to current standards, providing a strong basis for future studies.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Evidence · table
“1.489”
Context: 48.3
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
indicatedNechalacho Basal Zone · lanthanumTonnes: 48300000Grade: 0.241Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lanthanum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.241
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for lanthanum contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Lanthanum is a component of the rare earth element suite.
Evidence · table
“0.241”
Context: 48.3
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
indicatedNechalacho Basal Zone · ceriumTonnes: 48300000Grade: 0.561Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- cerium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.561
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for cerium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Cerium is a component of the rare earth element suite.
Evidence · table
“0.561”
Context: 48.3
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
indicatedNechalacho Basal Zone · praseodymiumTonnes: 48300000Grade: 0.069Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- praseodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.069
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for praseodymium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Praseodymium is a key magnet rare earth element.
Evidence · table
“0.069”
Context: 48.3
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
indicatedNechalacho Basal Zone · neodymiumTonnes: 48300000Grade: 0.263Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- neodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.263
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for neodymium, a critical magnet rare earth, is a significant positive for the project, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Neodymium is a key magnet rare earth element.
Evidence · table
“0.263”
Context: 48.3
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
indicatedNechalacho Basal Zone · samariumTonnes: 48300000Grade: 0.057Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- samarium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.057
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for samarium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Samarium is a component of the rare earth element suite.
Evidence · table
“0.057”
Context: 48.3
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
indicatedNechalacho Basal Zone · europiumTonnes: 48300000Grade: 0.007Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- europium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.007
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for europium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Europium is a component of the rare earth element suite.
Evidence · table
“0.007”
Context: 48.3
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
indicatedNechalacho Basal Zone · gadoliniumTonnes: 48300000Grade: 0.049Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- gadolinium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.049
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for gadolinium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Gadolinium is a component of the rare earth element suite.
Evidence · table
“0.049”
Context: 48.3
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
indicatedNechalacho Basal Zone · terbiumTonnes: 48300000Grade: 0.007Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- terbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.007
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for terbium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Terbium is a key magnet rare earth element.
Evidence · table
“0.007”
Context: 48.3
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
indicatedNechalacho Basal Zone · dysprosiumTonnes: 48300000Grade: 0.037Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- dysprosium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.037
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for dysprosium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Dysprosium is a key magnet rare earth element.
Evidence · table
“0.037”
Context: 48.3
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
indicatedNechalacho Basal Zone · holmiumTonnes: 48300000Grade: 0.006Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- holmium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.006
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for holmium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Holmium is a component of the rare earth element suite.
Evidence · table
“0.006”
Context: 48.3
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
indicatedNechalacho Basal Zone · erbiumTonnes: 48300000Grade: 0.016Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- erbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.016
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for erbium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Erbium is a component of the rare earth element suite.
Evidence · table
“0.016”
Context: 48.3
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
indicatedNechalacho Basal Zone · thuliumTonnes: 48300000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- thulium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for thulium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Thulium is a component of the rare earth element suite.
Evidence · table
“0.002”
Context: 48.3
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
indicatedNechalacho Basal Zone · ytterbiumTonnes: 48300000Grade: 0.012Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- ytterbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.012
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for ytterbium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Ytterbium is a component of the rare earth element suite.
Evidence · table
“0.012”
Context: 48.3
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
indicatedNechalacho Basal Zone · lutetiumTonnes: 48300000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lutetium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for lutetium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Lutetium is a component of the rare earth element suite.
Evidence · table
“0.002”
Context: 48.3
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
indicatedNechalacho Basal Zone · yttriumTonnes: 48300000Grade: 0.159Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- yttrium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:7ee796c93b422b04d517
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 48300000
- Grade
- 0.159
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Indicated resource for yttrium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Substantial Indicated resource category.
- Updated with current economic assumptions and S-K 1300 standards.
- Yttrium is a component of the rare earth element suite.
Evidence · table
“0.159”
Context: 48.3
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
indicatedNechalacho Basal Zone · rare earth elementsTonnes: 58600000Grade: 1.494Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 1.494
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource provides a robust and high-confidence foundation for the project, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Evidence · table
“1.494”
Context: 58.6
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
indicatedNechalacho Basal Zone · lanthanumTonnes: 58600000Grade: 0.242Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lanthanum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.242
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for lanthanum contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for lanthanum.
- Updated with current economic assumptions and S-K 1300 standards.
- Lanthanum is a component of the rare earth element suite.
Evidence · table
“0.242”
Context: 58.6
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
indicatedNechalacho Basal Zone · ceriumTonnes: 58600000Grade: 0.563Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- cerium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.563
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for cerium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for cerium.
- Updated with current economic assumptions and S-K 1300 standards.
- Cerium is a component of the rare earth element suite.
Evidence · table
“0.563”
Context: 58.6
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
indicatedNechalacho Basal Zone · praseodymiumTonnes: 58600000Grade: 0.069Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- praseodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.069
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for praseodymium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for praseodymium.
- Updated with current economic assumptions and S-K 1300 standards.
- Praseodymium is a key magnet rare earth element.
Evidence · table
“0.069”
Context: 58.6
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
indicatedNechalacho Basal Zone · neodymiumTonnes: 58600000Grade: 0.264Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- neodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.264
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for neodymium, a critical magnet rare earth, is a significant positive for the project, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for neodymium.
- Updated with current economic assumptions and S-K 1300 standards.
- Neodymium is a key magnet rare earth element.
Evidence · table
“0.264”
Context: 58.6
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
indicatedNechalacho Basal Zone · samariumTonnes: 58600000Grade: 0.057Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- samarium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.057
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for samarium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for samarium.
- Updated with current economic assumptions and S-K 1300 standards.
- Samarium is a component of the rare earth element suite.
Evidence · table
“0.057”
Context: 58.6
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
indicatedNechalacho Basal Zone · europiumTonnes: 58600000Grade: 0.007Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- europium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.007
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for europium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for europium.
- Updated with current economic assumptions and S-K 1300 standards.
- Europium is a component of the rare earth element suite.
Evidence · table
“0.007”
Context: 58.6
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
indicatedNechalacho Basal Zone · gadoliniumTonnes: 58600000Grade: 0.049Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- gadolinium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.049
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for gadolinium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for gadolinium.
- Updated with current economic assumptions and S-K 1300 standards.
- Gadolinium is a component of the rare earth element suite.
Evidence · table
“0.049”
Context: 58.6
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
indicatedNechalacho Basal Zone · terbiumTonnes: 58600000Grade: 0.007Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- terbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.007
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for terbium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for terbium.
- Updated with current economic assumptions and S-K 1300 standards.
- Terbium is a key magnet rare earth element.
Evidence · table
“0.007”
Context: 58.6
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
indicatedNechalacho Basal Zone · dysprosiumTonnes: 58600000Grade: 0.037Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- dysprosium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.037
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for dysprosium, a critical magnet rare earth, is a positive for the project, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for dysprosium.
- Updated with current economic assumptions and S-K 1300 standards.
- Dysprosium is a key magnet rare earth element.
Evidence · table
“0.037”
Context: 58.6
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
indicatedNechalacho Basal Zone · holmiumTonnes: 58600000Grade: 0.006Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- holmium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.006
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for holmium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for holmium.
- Updated with current economic assumptions and S-K 1300 standards.
- Holmium is a component of the rare earth element suite.
Evidence · table
“0.006”
Context: 58.6
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
indicatedNechalacho Basal Zone · erbiumTonnes: 58600000Grade: 0.016Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- erbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.016
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for erbium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for erbium.
- Updated with current economic assumptions and S-K 1300 standards.
- Erbium is a component of the rare earth element suite.
Evidence · table
“0.016”
Context: 58.6
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
indicatedNechalacho Basal Zone · thuliumTonnes: 58600000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- thulium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for thulium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for thulium.
- Updated with current economic assumptions and S-K 1300 standards.
- Thulium is a component of the rare earth element suite.
Evidence · table
“0.002”
Context: 58.6
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
indicatedNechalacho Basal Zone · ytterbiumTonnes: 58600000Grade: 0.013Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- ytterbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.013
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for ytterbium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for ytterbium.
- Updated with current economic assumptions and S-K 1300 standards.
- Ytterbium is a component of the rare earth element suite.
Evidence · table
“0.013”
Context: 58.6
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
indicatedNechalacho Basal Zone · lutetiumTonnes: 58600000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lutetium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for lutetium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for lutetium.
- Updated with current economic assumptions and S-K 1300 standards.
- Lutetium is a component of the rare earth element suite.
Evidence · table
“0.002”
Context: 58.6
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
indicatedNechalacho Basal Zone · yttriumTonnes: 58600000Grade: 0.159Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- yttrium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:e0713701b00e9131afc2
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 58600000
- Grade
- 0.159
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This combined Measured and Indicated resource for yttrium contributes to the overall rare earth endowment, updated to current standards.
Positive factors
- Large combined Measured and Indicated resource for yttrium.
- Updated with current economic assumptions and S-K 1300 standards.
- Yttrium is a component of the rare earth element suite.
Evidence · table
“0.159”
Context: 58.6
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
inferredNechalacho Basal Zone · rare earth elementsTonnes: 130600000Grade: 1.306Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 1.306
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: The substantial Inferred resource, significantly increased from the prior estimate and updated to current standards, indicates strong exploration potential, though with lower confidence than M&I categories.
Positive factors
- Significant increase in Inferred resources compared to prior estimate.
- Updated with current economic assumptions and S-K 1300 standards.
- QP signed off on the estimate.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“1.306”
Context: 130.6
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
inferredNechalacho Basal Zone · lanthanumTonnes: 130600000Grade: 0.216Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lanthanum
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.216
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for lanthanum contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for lanthanum, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.216”
Context: 130.6
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
inferredNechalacho Basal Zone · ceriumTonnes: 130600000Grade: 0.51Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- cerium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.51
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for cerium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for cerium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.510”
Context: 130.6
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
inferredNechalacho Basal Zone · praseodymiumTonnes: 130600000Grade: 0.063Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- praseodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.063
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for praseodymium contributes to the project's magnet rare earth potential, though with lower confidence.
Positive factors
- Significant Inferred resource for praseodymium, a key magnet rare earth.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.063”
Context: 130.6
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
inferredNechalacho Basal Zone · neodymiumTonnes: 130600000Grade: 0.241Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- neodymium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.241
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for neodymium contributes significantly to the project's magnet rare earth potential, though with lower confidence.
Positive factors
- Significant Inferred resource for neodymium, a key magnet rare earth.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.241”
Context: 130.6
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
inferredNechalacho Basal Zone · samariumTonnes: 130600000Grade: 0.049Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- samarium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.049
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for samarium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for samarium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.049”
Context: 130.6
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
inferredNechalacho Basal Zone · europiumTonnes: 130600000Grade: 0.006Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- europium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.006
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for europium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for europium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.006”
Context: 130.6
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
inferredNechalacho Basal Zone · gadoliniumTonnes: 130600000Grade: 0.041Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- gadolinium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.041
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for gadolinium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for gadolinium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.041”
Context: 130.6
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
inferredNechalacho Basal Zone · terbiumTonnes: 130600000Grade: 0.006Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- terbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.006
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for terbium contributes to the project's magnet rare earth potential, though with lower confidence.
Positive factors
- Significant Inferred resource for terbium, a key magnet rare earth.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.006”
Context: 130.6
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
inferredNechalacho Basal Zone · dysprosiumTonnes: 130600000Grade: 0.028Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- dysprosium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.028
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for dysprosium contributes to the project's magnet rare earth potential, though with lower confidence.
Positive factors
- Significant Inferred resource for dysprosium, a key magnet rare earth.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.028”
Context: 130.6
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
inferredNechalacho Basal Zone · holmiumTonnes: 130600000Grade: 0.005Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- holmium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.005
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for holmium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for holmium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.005”
Context: 130.6
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
inferredNechalacho Basal Zone · erbiumTonnes: 130600000Grade: 0.011Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- erbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.011
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for erbium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for erbium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.011”
Context: 130.6
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
inferredNechalacho Basal Zone · thuliumTonnes: 130600000Grade: 0.002Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- thulium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.002
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for thulium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for thulium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.002”
Context: 130.6
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
inferredNechalacho Basal Zone · ytterbiumTonnes: 130600000Grade: 0.009Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- ytterbium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.009
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for ytterbium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for ytterbium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.009”
Context: 130.6
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
inferredNechalacho Basal Zone · lutetiumTonnes: 130600000Grade: 0.001Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- lutetium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.001
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for lutetium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for lutetium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.001”
Context: 130.6
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
inferredNechalacho Basal Zone · yttriumTonnes: 130600000Grade: 0.117Grade Unit: %View all detailsHide details
Identity
- Project
- Nechalacho Basal Zone
- Commodity
- yttrium
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-14T00:00:00.000Z
- Reporting standards
- sec_sk1300, ni_43_101
- QP Signed
- Yes
- Qualified person names
- Tudorel Ciuculescu, Richard Gowans
- Resource group id
- resource:ba800539a782d1b62b16
- Deposit or zone
- Basal Zone
- Mining method
- underground
Resource Data
- Category
- inferred
- Tonnes
- 130600000
- Grade
- 0.117
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-07-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This Inferred resource for yttrium contributes to the project's diverse mineral endowment and future potential, though with lower confidence.
Positive factors
- Significant Inferred resource for yttrium, adding to project diversity.
- Updated with current economic assumptions and S-K 1300 standards.
Negative factors
- Inferred resource category has lower geological confidence.
Evidence · table
“0.117”
Context: 130.6
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
indicatedNechalacho Rare Earth Elements Project · rare earth elementsTonnes: 61900000Grade: 1.64Grade Unit: % TREOHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Nechalacho Rare Earth Elements Project
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-08-01T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- No
- Resource group id
- resource:9eb551026e7dcfd5321f
- Deposit or zone
- Nechalacho
Resource Data
- Category
- indicated
- Tonnes
- 61900000
- Grade
- 1.64
- Grade Unit
- % TREO
- Cutoff Grade
- 345
- Cutoff Unit
- US$/t net metal-return
Prior Estimate
- Resource Date
- 2013-08-01
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-08-01T00:00:00.000Z
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This is a historical resource estimate from 2013, provided for context but superseded by the current MRE and not directly comparable due to different standards and assumptions.
Negative factors
- Historical estimate, not directly comparable to current MRE.
- Lower confidence due to age and different reporting standards.
Evidence · text
“Later that year, in August 2013, Avalon published an updated mineral resource estimate for Nechalacho, reporting 61.9 million tonnes of Measured and Indicated resources grading 1.64% TREO and 0.35% HREO, together with 58.2 million tonnes of Inferred resources grading 1.38% TREO and 0.26% HREO, using a US$345 per tonne net metal-return cut-off.”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.0 years before this release
inferredNechalacho Rare Earth Elements Project · rare earth elementsTonnes: 58200000Grade: 1.38Grade Unit: % TREOHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Nechalacho Rare Earth Elements Project
- Commodity
- rare earth elements
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- AVL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-08-01T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- No
- Resource group id
- resource:8c15fb0e8fe6ef4e3564
- Deposit or zone
- Nechalacho
Resource Data
- Category
- inferred
- Tonnes
- 58200000
- Grade
- 1.38
- Grade Unit
- % TREO
- Cutoff Grade
- 345
- Cutoff Unit
- US$/t net metal-return
Prior Estimate
- Resource Date
- 2013-08-01
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-08-01T00:00:00.000Z
Dates
- Event date
- 2026-08-06T00:00:00.000Z
Reasoning: This is a historical Inferred resource estimate from 2013, provided for context but superseded by the current MRE and not directly comparable due to different standards and assumptions.
Negative factors
- Historical estimate, not directly comparable to current MRE.
- Lower confidence due to age and different reporting standards.
- Inferred resource category has lower geological confidence.
Evidence · text
“Later that year, in August 2013, Avalon published an updated mineral resource estimate for Nechalacho, reporting 61.9 million tonnes of Measured and Indicated resources grading 1.64% TREO and 0.35% HREO, together with 58.2 million tonnes of Inferred resources grading 1.38% TREO and 0.26% HREO, using a US$345 per tonne net metal-return cut-off.”
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
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.0 years before this release
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.