Erdene Announces Preliminary Economic Assessment Results for Zuun Mod Molybdenum-Copper Project
Original announcement by orestocks on
- Company
- Erdene Resource Development Corp.
- Ticker
- ERD.TO
- Exchange
- Unavailable
- Region
- Mongolia
- Primary commodity
- Molybdenum
- Secondary commodities
- Copper
- Document categories
- Other, Resource update, Metallurgy
- Extracted
- 2026-10-14 22:44:02 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Erdene announced positive Preliminary Economic Assessment (PEA) results for its wholly-owned Zuun Mod Molybdenum-Copper Project in Mongolia, outlining an after-tax NPV8% of US$745 million and an IRR of 16.1% over a 34-year mine life. The study, based on an updated Mineral Resource Estimate, projects significant molybdenum and copper production with an All-in Sustaining Cost of US$13.89/lb molybdenum. The PEA highlights the project's compelling economics and strategic importance as a potential major molybdenum producer.
Reasoning: The Preliminary Economic Assessment for the Zuun Mod Molybdenum-Copper Project demonstrates robust economics with a substantial NPV and IRR over a long mine life, supported by high recoveries and strategic commodity importance, although it is a preliminary study with a significant portion of inferred resources in the mine plan and the metallurgical test scale is not explicitly detailed.
Positive factors
- High NPV and IRR
- Long mine life
- Significant contained metal
- Low strip ratio
- High recoveries
- Strategic location and critical minerals
- Potential for resource expansion
- Low deleterious elements in concentrate
Negative factors
- Preliminary Economic Assessment (PEA) level study
- Significant portion of Inferred resources in mine plan
- High upfront capital costs
- Economic impact of NSR royalty excluded
- Metallurgical test scale not explicitly stated
Facts used in scoring: 18
Classification and evidence
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: The document announces the results of a Preliminary Economic Assessment (PEA) for the project.
Evidence · text
“Erdene Announces Preliminary Economic Assessment Results for Zuun Mod Molybdenum-Copper Project”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The PEA was prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects.
Evidence · text
“The PEA was prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”)”
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 for the mine design and economic analysis has been reviewed and approved by Julien Lawrence, FAusIMM, a Qualified Person as defined by NI 43-101.
Evidence · text
“The scientific and technical information in this press release relating to the mine design and schedule, mining and mineral-waste management, site-infrastructure and TSF/water-supply integration, project cost estimates and economic analysis has been reviewed and approved by Julien Lawrence, FAusIMM, Director of O2 Mining Limited, a Qualified Person as defined by NI 43-101.”
Long Mine Lifepositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA outlines a 34-year mine life for the project.
Evidence · text
“34-year mine life”
High NPVpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The project has a Base Case after-tax Net Present Value of US$745 million (NPV8%).
Evidence · text
“Base Case after-tax Net Present Value of US$745 million (NPV8%)”
Strong IRRpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The project has a Base Case Internal Rate of Return (IRR) of 16.1%.
Evidence · text
“16.1% Internal Rate of Return (IRR)”
High Upfront Capexnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The upfront capital costs are estimated at US$687 million.
Evidence · text
“Upfront capital costs of US$687 million”
Inferred Resource in Mine Plannegative · Story-specific tag
No canonical definition is currently available.
Why it applies: Approximately 74% of the PEA forecast plant feed is derived from Inferred Mineral Resources.
Evidence · text
“Approximately 74% of the PEA forecast plant feed... is derived from Inferred Mineral Resources.”
Excludes NSR Royaltynegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The economic impact of the 1.5% NSR Royalty held by Versamet Royalties has been excluded from this PEA.
Evidence · text
“The economic impact of this royalty has been excluded from this PEA.”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The PEA incorporates an updated mineral resource for the Zuun Mod deposit.
Evidence · text
“The technical report incorporates an updated mineral resource for the Zuun Mod deposit”
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: The Mineral Resource Estimate includes a Measured category of 67.2 Mt at 0.051% Mo and 0.061% Cu.
Evidence · table
“Measured”
Context: 67.2
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The Mineral Resource Estimate includes an Indicated category of 339.9 Mt at 0.047% Mo and 0.062% Cu.
Evidence · table
“Indicated”
Context: 339.9
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The Mineral Resource Estimate includes a significant Inferred category of 596.2 Mt at 0.041% Mo and 0.056% Cu.
Evidence · table
“Inferred”
Context: 596.2
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The mineral resource is reported above a Molybdenum (Mo) cut-off grade of 0.025%.
Evidence · text
“reported above Molybdenum (Mo) cut-off grade of 0.025%”
Porphyry Depositneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The Zuun Mod Molybdenum-Copper Project is described as a porphyry style deposit.
Evidence · text
“The Zuun Mod Molybdenum-Copper Project is a porphyry style deposit”
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Molybdenum recovery to concentrate is estimated at 88.4%, which is strong for a flotation route.
Evidence · table
“88.4%”
Context: Molybdenum
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Copper recovery to concentrate is estimated at 89.6%, which is strong for a flotation route.
Evidence · table
“89.6%”
Context: Copper
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The PEA contemplates a conventional copper–molybdenum concentrator processing with flotation.
Evidence · text
“The PEA contemplates a conventional copper–molybdenum concentrator processing 25 Mtpa”
No QA/QC Disclosurenegative · Story-specific tag
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: The document does not explicitly disclose the scale or type of metallurgical testwork (e.g., bench, locked-cycle, pilot) that led to the reported recoveries.
Evidence · text
“Metallurgical testwork and recovery estimates by Blue Coast Research indicate Zuun Mod has the potential to produce high-grade molybdenum and copper concentrates with low levels of deleterious elements.”
Extracted facts
Stored fact records: 17. Some facts used in scoring do not have a stored record.
Resource Estimates (15)
measuredZuun Mod Molybdenum-Copper ProjectTonnes: 67200000Grade: 0.051Grade Unit: %Contained Metal: 75000000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:71a63b49875cd8cbbaef
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 67200000
- Grade
- 0.051
- Grade Unit
- %
- Contained Metal
- 75000000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured resource for molybdenum provides a high level of confidence for a portion of the deposit, supporting the PEA.
Positive factors
- Measured Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“0.051”
Context: 67.2
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
measuredZuun Mod Molybdenum-Copper Project · copperTonnes: 67200000Grade: 0.061Grade Unit: %Contained Metal: 90500000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:71a63b49875cd8cbbaef
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 67200000
- Grade
- 0.061
- Grade Unit
- %
- Contained Metal
- 90500000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured resource for copper, as a byproduct, adds confidence to the overall project economics.
Positive factors
- Measured Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“0.061”
Context: 67.2
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
measuredZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 67200000Contained Metal: 99900000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:71a63b49875cd8cbbaef
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 67200000
- Contained Metal
- 99900000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Metal Equivalent
- Metal Eq. Grade
- 0.067
- Metal Eq. Unit
- % MoEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured MoEq resource provides a combined measure of value with disclosed assumptions, adding confidence to the estimate.
Positive factors
- Measured Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
- Metal Equivalent Assumptions Disclosed
Evidence · table
“0.067”
Context: 67.2
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
indicatedZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 339900000Contained Metal: 479400000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:2e30190294ba68246c96
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 339900000
- Contained Metal
- 479400000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Metal Equivalent
- Metal Eq. Grade
- 0.064
- Metal Eq. Unit
- % MoEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated MoEq resource provides a combined measure of value with disclosed assumptions, adding confidence to the estimate.
Positive factors
- Indicated Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
- Metal Equivalent Assumptions Disclosed
Evidence · table
“0.064”
Context: 339.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
indicatedZuun Mod Molybdenum-Copper Project · copperTonnes: 339900000Grade: 0.062Grade Unit: %Contained Metal: 463200000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:2e30190294ba68246c96
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 339900000
- Grade
- 0.062
- Grade Unit
- %
- Contained Metal
- 463200000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated resource for copper, as a significant byproduct, adds to the overall project value with good confidence.
Positive factors
- Indicated Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“0.062”
Context: 339.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
inferredZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 596200000Contained Metal: 783000000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:2dd1c6f0fc48675d4d72
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 596200000
- Contained Metal
- 783000000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Metal Equivalent
- Metal Eq. Grade
- 0.06
- Metal Eq. Unit
- % MoEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: A large portion of the MoEq resource is in the Inferred category, which is speculative and carries lower geological confidence.
Positive factors
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
- Metal Equivalent Assumptions Disclosed
Negative factors
- Inferred Resource
- Significant portion of Inferred resources in mine plan
Evidence · table
“0.060”
Context: 596.2
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
inferredZuun Mod Molybdenum-Copper Project · copperTonnes: 596200000Grade: 0.056Grade Unit: %Contained Metal: 733300000Contained Unit: lbsView all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:2dd1c6f0fc48675d4d72
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 596200000
- Grade
- 0.056
- Grade Unit
- %
- Contained Metal
- 733300000
- Contained Unit
- lbs
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: A large portion of the copper resource is in the Inferred category, which is speculative and carries lower geological confidence.
Positive factors
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Negative factors
- Inferred Resource
- Significant portion of Inferred resources in mine plan
Evidence · table
“0.056”
Context: 596.2
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
measuredZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 67.2Grade: 75Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:2c0e1e4befead0213927
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 67.2
- Grade
- 75
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured resource for molybdenum provides a high level of confidence for a portion of the deposit, supporting the PEA. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Measured Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“75.0”
Context: 67.2
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
measuredZuun Mod Molybdenum-Copper Project · copperTonnes: 67.2Grade: 90.5Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:2c0e1e4befead0213927
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 67.2
- Grade
- 90.5
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured resource for molybdenum provides a high level of confidence for a portion of the deposit, supporting the PEA. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Measured Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“90.5”
Context: 67.2
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
indicatedZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 339.9Grade: 352Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:247848e699c43efcb65a
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 339.9
- Grade
- 352
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated resource for molybdenum provides a good level of geological confidence for a significant portion of the deposit. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“352.0”
Context: 339.9
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
indicatedZuun Mod Molybdenum-Copper Project · copperTonnes: 339.9Grade: 463.2Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:247848e699c43efcb65a
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 339.9
- Grade
- 463.2
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated resource for molybdenum provides a good level of geological confidence for a significant portion of the deposit. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“463.2”
Context: 339.9
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
indicatedZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 407.1Grade: 427Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:e32afb89f1e6c8b1bc73
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 407.1
- Grade
- 427
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated resource for molybdenum provides a good level of geological confidence for a significant portion of the deposit. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“427.0”
Context: 407.1
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
indicatedZuun Mod Molybdenum-Copper Project · copperTonnes: 407.1Grade: 553.7Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:e32afb89f1e6c8b1bc73
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 407.1
- Grade
- 553.7
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated resource for molybdenum provides a good level of geological confidence for a significant portion of the deposit. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated Resource
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Evidence · table
“553.7”
Context: 407.1
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
inferredZuun Mod Molybdenum-Copper Project · molybdenumTonnes: 596.2Grade: 536.8Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:221c923f5dd38bd4b5f9
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 596.2
- Grade
- 536.8
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: A large portion of the resource is in the Inferred category, which is speculative and carries lower geological confidence, impacting the overall PEA confidence. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Negative factors
- Inferred Resource
- Significant portion of Inferred resources in mine plan
Evidence · table
“536.8”
Context: 596.2
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
inferredZuun Mod Molybdenum-Copper Project · copperTonnes: 596.2Grade: 733.3Grade Unit: %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Oyunbat Bat-Ochir
- Resource group id
- resource:221c923f5dd38bd4b5f9
- Deposit or zone
- Zuun Mod
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 596.2
- Grade
- 733.3
- Grade Unit
- %
- Cutoff Grade
- 0.025
- Cutoff Unit
- % Mo
Prior Estimate
- Resource Date
- 2026-05-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: A large portion of the resource is in the Inferred category, which is speculative and carries lower geological confidence, impacting the overall PEA confidence. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- QP/CP Signed
- NI 43-101 Compliant
- Cut-off Disclosed
Negative factors
- Inferred Resource
- Significant portion of Inferred resources in mine plan
Evidence · table
“733.3”
Context: 596.2
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
Metallurgical Results (2)
flotationZuun Mod Molybdenum-Copper Project · molybdenumRecovery: 88.4 %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- molybdenum
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- conventional crushing and grinding, SABC, bulk flotation, regrinding, cleaning, separation through molybdenum flotation
- Grind P80
- 35 µm
Recovery
- Recovery
- 88.4 %
- Recovery Basis
- to_concentrate
- Conc. Grade
- 53.2
- Conc. Grade Unit
- %
Lab
- Laboratory
- Blue Coast Research Ltd.
- Consultant
- Tetra Tech Coffey Pty Ltd
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: Molybdenum recovery of 88.4% to concentrate is strong for a flotation circuit, indicating good metallurgical performance with low impurities.
Positive factors
- High Recovery
- Mill Route
- QP/CP Signed
- Low deleterious elements in concentrate
Negative factors
- Metallurgical test scale not explicitly stated
Evidence · table
“88.4%”
Context: Molybdenum
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationZuun Mod Molybdenum-Copper Project · copperRecovery: 89.6 %View all detailsHide details
Identity
- Project
- Zuun Mod Molybdenum-Copper Project
- Commodity
- copper
- Region
- mongolia
- Reported Region
- Mongolia
- Ticker
- ERD.TO
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- conventional crushing and grinding, SABC, bulk flotation, regrinding, cleaning, separation through molybdenum flotation
- Grind P80
- 35 µm
Recovery
- Recovery
- 89.6 %
- Recovery Basis
- to_concentrate
- Conc. Grade
- 27.9
- Conc. Grade Unit
- %
Lab
- Laboratory
- Blue Coast Research Ltd.
- Consultant
- Tetra Tech Coffey Pty Ltd
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: Copper recovery of 89.6% to concentrate is strong for a flotation circuit, indicating good metallurgical performance with low impurities.
Positive factors
- High Recovery
- Mill Route
- QP/CP Signed
- Low deleterious elements in concentrate
Negative factors
- Metallurgical test scale not explicitly stated
Evidence · table
“89.6%”
Context: Copper
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.