Hudbay Minerals and Mitsubishi Approve Copper World Project Construction; Advancing Next Major U.S. Copper Mine Towards First Production in 2029
Original announcement by jmn on
- Company
- Hudbay Minerals Inc.
- Ticker
- HBM
- Exchange
- TSX
- Region
- Arizona
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum, Gold, Silver
- Document categories
- Other, Resource update
- Extracted
- 2026-10-21 06:18:23 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Hudbay Minerals and Mitsubishi Corporation have approved the final investment decision for the Copper World project in Arizona, targeting first copper production in the second half of 2029. A Definitive Feasibility Study (DFS) outlines robust economics, including an after-tax NPV (8%) of $1.2 billion and an IRR of 17% for the Base Case, with an Extension Case showing an NPV of $2.5 billion and an IRR of 19%. The project is expected to significantly increase Hudbay's annual copper production and is supported by a strategic funding plan and updated mineral reserve and resource estimates.
Reasoning: Hudbay Minerals and Mitsubishi have approved the construction of the Copper World project, backed by a robust DFS outlining strong economics, significant copper production increases, and a long mine life. The project is well-funded and strategically positioned, despite minor adjustments to resource estimates.
Positive factors
- Final Investment Decision (FID) approved for Copper World project
- Robust Definitive Feasibility Study (DFS) results with strong economics
- Significant increase in annual copper production, doubling current levels
- Long mine life of 15 years (Base Case) and 37 years (Extension Case)
- Attractive capital intensity compared to peers
- Strategic joint venture partner (Mitsubishi) and secured funding plan
- High levered IRR for Hudbay
- Large Measured and Indicated resource base supporting future extensions
- Increase in Inferred contained copper
Negative factors
- Slight decrease in Measured and Indicated contained copper due to technical and economic criteria changes
- Reduction in average copper grade in reserves compared to prior PFS
Facts used in scoring: 61
Classification and evidence
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: The document announces the results of a Definitive Feasibility Study (DFS) for the Copper World project.
Evidence · text
“announced the results of the definitive feasibility study”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: The scientific and technical information has been approved by Olivier Tavchandjian, P. Geo, Hudbay’s Senior Vice President, Exploration and Technical Services, who is a qualified person pursuant to NI 43-101.
Evidence · text
“The scientific and technical information contained in this news release has been approved by Olivier Tavchandjian, P. Geo, Hudbay’s Senior Vice President, Exploration and Technical Services. Mr. Tavchandjian is a qualified person pursuant to Canadian Securities Administrators’ National Instrument 43-101”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: Hudbay will be filing a technical report pursuant to National Instrument 43-101 containing the results of the DFS for Copper World.
Evidence · text
“Hudbay will be filing a technical report pursuant to National Instrument 43-101 containing the results of the DFS for Copper World.”
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The resource estimate table includes 'Proven reserves' with 330 million tonnes at 0.47% Cu.
Evidence · table
“Proven reserves”
Context: 330
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The resource estimate table includes 'Probable reserves' with 60 million tonnes at 0.46% Cu.
Evidence · table
“Probable reserves”
Context: 60
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: The resource estimate table includes 'Measured resources' with 890 million tonnes at 0.42% Cu.
Evidence · table
“Measured resources”
Context: 890
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource estimate table includes 'Indicated resources' with 347 million tonnes at 0.35% Cu.
Evidence · table
“Indicated resources”
Context: 347
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource estimate table includes 'Inferred resources' with 309 million tonnes at 0.30% Cu.
Evidence · table
“Inferred resources”
Context: 309
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: Total Measured and Indicated resources increased from 1,205 million tonnes in 2023 to 1,236 million tonnes in 2026.
Evidence · table
“1,236”
Context: Measured and indicated
Grade Declinenegative
Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.
Why it applies: The average copper grade for Measured and Indicated resources decreased from 0.42% in 2023 to 0.40% in 2026.
Evidence · table
“0.40”
Context: Measured and indicated
Contained Metal Declinenegative
Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.
Why it applies: Contained copper in Measured and Indicated resources decreased by 1% from 5,061 kt in 2023 to 4,993 kt in 2026.
Evidence · table
“-1%”
Context: Measured and indicated
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: An NSR cut-off value of $5.80 per ton was used to define material reserve estimates and $6.03 per ton for mineral resource estimates.
Evidence · text
“An NSR cut-off value of $5.80 per ton was used to define material reserve estimates. A minimum copper grade of 0.1% and a minimum copper recovery of 48% were also applied to mineral reserves due to the limited tailings capacity. An NSR cut-off value of $6.03 per ton was used to define mineral resource estimates.”
Extracted facts
Stored fact records: 22. Some facts used in scoring do not have a stored record.
Resource Estimates (22)
provenCopper World · copperTonnes: 330000000Grade: 0.47Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:d695d3b9b38736fba625
- Mining method
- open_pit
Resource Data
- Category
- proven
- Tonnes
- 330000000
- Grade
- 0.47
- Grade Unit
- %
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Proven reserves of 330 Mt at 0.47% copper provide a strong foundation for the project.
Positive factors
- High confidence in Proven reserves
- Significant tonnage and grade
Evidence · table
“0.47”
Context: 330
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
provenCopper World · molybdenumTonnes: 330000000Grade: 105Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:d695d3b9b38736fba625
- Mining method
- open_pit
Resource Data
- Category
- proven
- Tonnes
- 330000000
- Grade
- 105
- Grade Unit
- g/t
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Proven reserves include 105 g/t molybdenum, adding byproduct value.
Positive factors
- Molybdenum as a valuable byproduct
Evidence · table
“105”
Context: 330
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
provenCopper World · goldTonnes: 330000000Grade: 0.024Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:d695d3b9b38736fba625
- Mining method
- open_pit
Resource Data
- Category
- proven
- Tonnes
- 330000000
- Grade
- 0.024
- Grade Unit
- g/t
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Proven reserves include 0.024 g/t gold, contributing to byproduct credits.
Positive factors
- Gold as a valuable byproduct
Evidence · table
“0.024”
Context: 330
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
provenCopper World · silverTonnes: 330000000Grade: 5.25Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:d695d3b9b38736fba625
- Mining method
- open_pit
Resource Data
- Category
- proven
- Tonnes
- 330000000
- Grade
- 5.25
- Grade Unit
- g/t
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Proven reserves include 5.25 g/t silver, contributing to byproduct credits.
Positive factors
- Silver as a valuable byproduct
Evidence · table
“5.25”
Context: 330
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
probableCopper World · copperTonnes: 60000000Grade: 0.46Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:44bc181597cbf2ec2e26
- Mining method
- open_pit
Resource Data
- Category
- probable
- Tonnes
- 60000000
- Grade
- 0.46
- Grade Unit
- %
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Probable reserves of 60 Mt at 0.46% copper further enhance the project's reserve base.
Positive factors
- Significant Probable reserves add to project confidence
Evidence · table
“0.46”
Context: 60
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
probableCopper World · molybdenumTonnes: 60000000Grade: 94Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:44bc181597cbf2ec2e26
- Mining method
- open_pit
Resource Data
- Category
- probable
- Tonnes
- 60000000
- Grade
- 94
- Grade Unit
- g/t
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Probable reserves include 94 g/t molybdenum, contributing to byproduct value.
Positive factors
- Molybdenum as a valuable byproduct
Evidence · table
“94”
Context: 60
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
probableCopper World · goldTonnes: 60000000Grade: 0.018Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:44bc181597cbf2ec2e26
- Mining method
- open_pit
Resource Data
- Category
- probable
- Tonnes
- 60000000
- Grade
- 0.018
- Grade Unit
- g/t
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Probable reserves include 0.018 g/t gold, contributing to byproduct credits.
Positive factors
- Gold as a valuable byproduct
Evidence · table
“0.018”
Context: 60
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
probableCopper World · silverTonnes: 60000000Grade: 4.14Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:44bc181597cbf2ec2e26
- Mining method
- open_pit
Resource Data
- Category
- probable
- Tonnes
- 60000000
- Grade
- 4.14
- Grade Unit
- g/t
- Cutoff Grade
- 5.8
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Probable reserves include 4.14 g/t silver, contributing to byproduct credits.
Positive factors
- Silver as a valuable byproduct
Evidence · table
“4.14”
Context: 60
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredCopper World · copperTonnes: 890000000Grade: 0.42Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:ed0e1bf999512996bec8
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 890000000
- Grade
- 0.42
- Grade Unit
- %
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Measured resources of 890 Mt at 0.42% copper provide a high-confidence resource base for future mine planning.
Positive factors
- Large Measured resource base provides high confidence
- Supports long mine life
Evidence · table
“0.42”
Context: 890
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredCopper World · molybdenumTonnes: 890000000Grade: 124Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:ed0e1bf999512996bec8
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 890000000
- Grade
- 124
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Measured resources include 124 g/t molybdenum, adding byproduct value.
Positive factors
- Molybdenum as a valuable byproduct
Evidence · table
“124”
Context: 890
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredCopper World · goldTonnes: 890000000Grade: 0.022Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:ed0e1bf999512996bec8
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 890000000
- Grade
- 0.022
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Measured resources include 0.022 g/t gold, contributing to byproduct credits.
Positive factors
- Gold as a valuable byproduct
Evidence · table
“0.022”
Context: 890
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredCopper World · silverTonnes: 890000000Grade: 4.43Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:ed0e1bf999512996bec8
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 890000000
- Grade
- 4.43
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Measured resources include 4.43 g/t silver, contributing to byproduct credits.
Positive factors
- Silver as a valuable byproduct
Evidence · table
“4.43”
Context: 890
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedCopper World · copperTonnes: 347000000Grade: 0.35Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:c1a38bdfb3771c5b905e
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 347000000
- Grade
- 0.35
- Grade Unit
- %
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Indicated resources of 347 Mt at 0.35% copper provide a substantial resource base.
Positive factors
- Significant Indicated resources add to project confidence
Evidence · table
“0.35”
Context: 347
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedCopper World · molybdenumTonnes: 347000000Grade: 109Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:c1a38bdfb3771c5b905e
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 347000000
- Grade
- 109
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Indicated resources include 109 g/t molybdenum, adding byproduct value.
Positive factors
- Molybdenum as a valuable byproduct
Evidence · table
“109”
Context: 347
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedCopper World · goldTonnes: 347000000Grade: 0.015Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:c1a38bdfb3771c5b905e
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 347000000
- Grade
- 0.015
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Indicated resources include 0.015 g/t gold, contributing to byproduct credits.
Positive factors
- Gold as a valuable byproduct
Evidence · table
“0.015”
Context: 347
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedCopper World · silverTonnes: 347000000Grade: 3.32Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:c1a38bdfb3771c5b905e
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 347000000
- Grade
- 3.32
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Indicated resources include 3.32 g/t silver, contributing to byproduct credits.
Positive factors
- Silver as a valuable byproduct
Evidence · table
“3.32”
Context: 347
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredCopper World · copperTonnes: 309000000Grade: 0.3Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:b913fd9af979ba7855ab
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 309000000
- Grade
- 0.3
- Grade Unit
- %
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Inferred resources of 309 Mt at 0.30% copper represent future growth potential, with a 5% increase in contained copper compared to the prior estimate.
Positive factors
- Significant Inferred resources provide future upside potential
- Increase in contained copper compared to prior estimate
Negative factors
- Lower confidence category
Evidence · table
“0.30”
Context: 309
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredCopper World · molybdenumTonnes: 309000000Grade: 103Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- molybdenum
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:b913fd9af979ba7855ab
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 309000000
- Grade
- 103
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Inferred resources include 103 g/t molybdenum, contributing to byproduct value.
Positive factors
- Molybdenum as a valuable byproduct
Negative factors
- Lower confidence category
Evidence · table
“103”
Context: 309
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredCopper World · goldTonnes: 309000000Grade: 0.012Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:b913fd9af979ba7855ab
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 309000000
- Grade
- 0.012
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Inferred resources include 0.012 g/t gold, contributing to byproduct credits.
Positive factors
- Gold as a valuable byproduct
Negative factors
- Lower confidence category
Evidence · table
“0.012”
Context: 309
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredCopper World · silverTonnes: 309000000Grade: 2.69Grade Unit: g/tView all detailsHide details
Identity
- Project
- Copper World
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:b913fd9af979ba7855ab
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 309000000
- Grade
- 2.69
- Grade Unit
- g/t
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Inferred resources include 2.69 g/t silver, contributing to byproduct credits.
Positive factors
- Silver as a valuable byproduct
Negative factors
- Lower confidence category
Evidence · table
“2.69”
Context: 309
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedCopper World · copperTonnes: 1236000000Grade: 0.4Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:23d7adc167f224da7f24
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 1236000000
- Grade
- 0.4
- Grade Unit
- %
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
- Prior Tonnes
- 1205000000
- Prior Grade
- 0.42
- Prior Contained Metal
- 5061000
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Total Measured and Indicated resources increased in tonnage to 1,236 Mt, but contained copper decreased by 1% due to a lower average grade of 0.40%.
Positive factors
- Large Measured and Indicated resource base
- Tonnage increase
Negative factors
- Slight decrease in contained copper compared to prior estimate
- Lower average grade
Evidence · table
“0.40”
Context: 1,236
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredCopper World · copperTonnes: 309000000Grade: 0.3Grade Unit: %View all detailsHide details
Identity
- Project
- Copper World
- Commodity
- copper
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- HBM
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Olivier Tavchandjian
- Resource group id
- resource:b913fd9af979ba7855ab
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 309000000
- Grade
- 0.3
- Grade Unit
- %
- Cutoff Grade
- 6.03
- Cutoff Unit
- $/ton
Prior Estimate
- Resource Date
- 2026-08-01
- Prior Tonnes
- 275000000
- Prior Grade
- 0.32
- Prior Contained Metal
- 880000
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Inferred resources increased to 309 Mt, resulting in a 5% increase in contained copper, despite a slight decrease in average grade to 0.30%.
Positive factors
- Increase in Inferred tonnage and contained copper
- Future upside potential
Negative factors
- Lower confidence category
- Slightly lower average grade
Evidence · table
“0.30”
Context: 309
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
Grade Declinenegative
Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.
Why it applies: 0.3 against 0.32 previously
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
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.