Aldebaran and Centauri Announce Significant Increase in Mineral Resources for the Rio Grande Gold-Copper Project in Salta, Argentina
Original announcement by tmx on
- Company
- Aldebaran Resources Inc.
- Ticker
- ALDE
- Exchange
- TSX
- Region
- Salta, Argentina
- Primary commodity
- Gold
- Secondary commodities
- Copper, Silver
- Document categories
- Resource update, Agreement transaction
- Extracted
- 2026-09-13 11:14:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Aldebaran and Centauri have announced an updated Mineral Resource Estimate for the Rio Grande gold-copper project in Argentina, totaling 153.7 Mt of Indicated and 220.8 Mt of Inferred resources. The update is based on historical data and was prepared by SLR Consulting to support Centauri's upcoming public listing.
Reasoning: The announcement reports a substantial mineral resource update for the Rio Grande project, though it relies on historical data (last drilling 2012/2013) rather than new assays.
Positive factors
- Significant increase in mineral resource inventory
- Large scale of Indicated and Inferred resources
- NI 43-101 compliant update
- Proximity to operating Lindero mine
Negative factors
- No new drilling or trenching since 2013
- High proportion of Inferred resources
- Metallurgical recoveries for copper and silver are relatively low/variable
Facts used in scoring: 24
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource estimate was prepared as a National Instrument 43-101 Technical Report update.
Evidence · text
“complete a National Instrument (“NI”) 43-101 Technical Report and Mineral Resource Estimate update”
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: Mr. Benjamin Sanfurgo, an independent qualified person, has reviewed and approved the technical information.
Evidence · text
“Mr. Sanfurgo is an independent qualified person (“QP”) as defined by NI 43-101.”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: A significant portion of the resource (220.8 Mt) is classified as Inferred.
Evidence · table
“220.8”
Context: Inferred
Extracted facts
Stored fact records: 24. Some facts used in scoring do not have a stored record.
Resource Estimates (24)
indicatedRio Grande · goldTonnes: 94100000Grade: 0.26Grade Unit: g/tContained Metal: 781Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:bc6fd8474d51344cf7d6
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 94100000
- Grade
- 0.26
- Grade Unit
- g/t
- Contained Metal
- 781
- Contained Unit
- koz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated oxide resource component.
Evidence · table
“0.26”
Context: 94.1
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
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
indicatedRio Grande · copperTonnes: 94100000Grade: 0.2Grade Unit: %Contained Metal: 188Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:bc6fd8474d51344cf7d6
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 94100000
- Grade
- 0.2
- Grade Unit
- %
- Contained Metal
- 188
- Contained Unit
- kt
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated oxide resource component.
Evidence · table
“0.20”
Context: 94.1
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
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
indicatedRio Grande · silverTonnes: 94100000Grade: 6.3Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:bc6fd8474d51344cf7d6
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 94100000
- Grade
- 6.3
- Grade Unit
- moz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated oxide resource component.
Evidence · table
“6.3”
Context: 94.1
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
indicatedRio Grande · goldTonnes: 47300000Grade: 0.34Grade Unit: g/tContained Metal: 523Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:23fc57c7591dac7d46e2
- Deposit or zone
- Transitional
- Mining method
- open_pit
- Material type
- transitional
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 47300000
- Grade
- 0.34
- Grade Unit
- g/t
- Contained Metal
- 523
- Contained Unit
- koz
- Cutoff Grade
- 15
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated transitional resource component.
Evidence · table
“0.34”
Context: 47.3
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedRio Grande · copperTonnes: 47300000Grade: 0.33Grade Unit: %Contained Metal: 156Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:23fc57c7591dac7d46e2
- Deposit or zone
- Transitional
- Mining method
- open_pit
- Material type
- transitional
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 47300000
- Grade
- 0.33
- Grade Unit
- %
- Contained Metal
- 156
- Contained Unit
- kt
- Cutoff Grade
- 15
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated transitional resource component.
Evidence · table
“0.33”
Context: 47.3
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedRio Grande · silverTonnes: 47300000Grade: 5.5Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:23fc57c7591dac7d46e2
- Deposit or zone
- Transitional
- Mining method
- open_pit
- Material type
- transitional
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 47300000
- Grade
- 5.5
- Grade Unit
- moz
- Cutoff Grade
- 15
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated transitional resource component.
Evidence · table
“5.5”
Context: 47.3
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
indicatedRio Grande · goldTonnes: 12300000Grade: 0.36Grade Unit: g/tContained Metal: 144Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:285d1560af6c65c7e059
- Deposit or zone
- Sulphide
- Mining method
- open_pit
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 12300000
- Grade
- 0.36
- Grade Unit
- g/t
- Contained Metal
- 144
- Contained Unit
- koz
- Cutoff Grade
- 9.5
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated sulphide resource component.
Evidence · table
“0.36”
Context: 12.3
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedRio Grande · copperTonnes: 12300000Grade: 0.29Grade Unit: %Contained Metal: 36Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:285d1560af6c65c7e059
- Deposit or zone
- Sulphide
- Mining method
- open_pit
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 12300000
- Grade
- 0.29
- Grade Unit
- %
- Contained Metal
- 36
- Contained Unit
- kt
- Cutoff Grade
- 9.5
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated sulphide resource component.
Evidence · table
“0.29”
Context: 12.3
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedRio Grande · silverTonnes: 12300000Grade: 0.9Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:285d1560af6c65c7e059
- Deposit or zone
- Sulphide
- Mining method
- open_pit
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 12300000
- Grade
- 0.9
- Grade Unit
- moz
- Cutoff Grade
- 9.5
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated sulphide resource component.
Evidence · table
“0.9”
Context: 12.3
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
inferredRio Grande · goldTonnes: 144500000Grade: 0.19Grade Unit: g/tContained Metal: 898Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:3d0479d6be94b0943e98
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 144500000
- Grade
- 0.19
- Grade Unit
- g/t
- Contained Metal
- 898
- Contained Unit
- koz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred oxide resource component.
Evidence · table
“0.19”
Context: 144.5
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
inferredRio Grande · copperTonnes: 144500000Grade: 0.16Grade Unit: %Contained Metal: 231Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:3d0479d6be94b0943e98
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 144500000
- Grade
- 0.16
- Grade Unit
- %
- Contained Metal
- 231
- Contained Unit
- kt
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred oxide resource component.
Evidence · table
“0.16”
Context: 144.5
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
inferredRio Grande · silverTonnes: 144500000Grade: 10.3Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:3d0479d6be94b0943e98
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 144500000
- Grade
- 10.3
- Grade Unit
- moz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred oxide resource component.
Evidence · table
“10.3”
Context: 144.5
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
inferredRio Grande · goldTonnes: 75600000Grade: 0.26Grade Unit: g/tContained Metal: 643Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:db223ea33305faca9d87
- Deposit or zone
- Transitional
- Mining method
- open_pit
- Material type
- transitional
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 75600000
- Grade
- 0.26
- Grade Unit
- g/t
- Contained Metal
- 643
- Contained Unit
- koz
- Cutoff Grade
- 15
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred transitional resource component.
Evidence · table
“0.26”
Context: 75.6
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
inferredRio Grande · copperTonnes: 75600000Grade: 0.24Grade Unit: %Contained Metal: 181Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:db223ea33305faca9d87
- Deposit or zone
- Transitional
- Mining method
- open_pit
- Material type
- transitional
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 75600000
- Grade
- 0.24
- Grade Unit
- %
- Contained Metal
- 181
- Contained Unit
- kt
- Cutoff Grade
- 15
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred transitional resource component.
Evidence · table
“0.24”
Context: 75.6
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
inferredRio Grande · silverTonnes: 75600000Grade: 7.4Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:db223ea33305faca9d87
- Deposit or zone
- Transitional
- Mining method
- open_pit
- Material type
- transitional
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 75600000
- Grade
- 7.4
- Grade Unit
- moz
- Cutoff Grade
- 15
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred transitional resource component.
Evidence · table
“7.4”
Context: 75.6
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
inferredRio Grande · goldTonnes: 700000Grade: 0.25Grade Unit: g/tContained Metal: 6Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:d17bbde032aae184cbc2
- Deposit or zone
- Sulphide
- Mining method
- open_pit
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 700000
- Grade
- 0.25
- Grade Unit
- g/t
- Contained Metal
- 6
- Contained Unit
- koz
- Cutoff Grade
- 9.5
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred sulphide resource component.
Evidence · table
“0.25”
Context: 0.7
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
inferredRio Grande · copperTonnes: 700000Grade: 0.24Grade Unit: %Contained Metal: 2Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:d17bbde032aae184cbc2
- Deposit or zone
- Sulphide
- Mining method
- open_pit
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 700000
- Grade
- 0.24
- Grade Unit
- %
- Contained Metal
- 2
- Contained Unit
- kt
- Cutoff Grade
- 9.5
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred sulphide resource component.
Evidence · table
“0.24”
Context: 0.7
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
inferredRio Grande · silverTonnes: 700000Grade: 0.1Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:d17bbde032aae184cbc2
- Deposit or zone
- Sulphide
- Mining method
- open_pit
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 700000
- Grade
- 0.1
- Grade Unit
- moz
- Cutoff Grade
- 9.5
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred sulphide resource component.
Evidence · table
“0.1”
Context: 0.7
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
indicatedRio Grande · goldTonnes: 153700000Grade: 0.29Grade Unit: g/tContained Metal: 1448Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:71798213c75fa10a8df8
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- Indicated
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 153700000
- Grade
- 0.29
- Grade Unit
- g/t
- Contained Metal
- 1448
- Contained Unit
- koz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated oxide resource component. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“0.29”
Context: 153.7
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
indicatedRio Grande · copperTonnes: 153700000Grade: 0.25Grade Unit: %Contained Metal: 384Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:71798213c75fa10a8df8
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- Indicated
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 153700000
- Grade
- 0.25
- Grade Unit
- %
- Contained Metal
- 384
- Contained Unit
- kt
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated oxide resource component. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“0.25”
Context: 153.7
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
indicatedRio Grande · silverTonnes: 153700000Grade: 12.7Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:71798213c75fa10a8df8
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- Indicated
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 153700000
- Grade
- 12.7
- Grade Unit
- moz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard indicated oxide resource component. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“12.7”
Context: 153.7
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
inferredRio Grande · goldTonnes: 220800000Grade: 0.22Grade Unit: g/tContained Metal: 1547Contained Unit: kozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- gold
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:8119c7a2eac3aa96f3ed
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- Inferred
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 220800000
- Grade
- 0.22
- Grade Unit
- g/t
- Contained Metal
- 1547
- Contained Unit
- koz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred oxide resource component. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“0.22”
Context: 220.8
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
inferredRio Grande · copperTonnes: 220800000Grade: 0.19Grade Unit: %Contained Metal: 420Contained Unit: ktView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- copper
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:8119c7a2eac3aa96f3ed
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- Inferred
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 220800000
- Grade
- 0.19
- Grade Unit
- %
- Contained Metal
- 420
- Contained Unit
- kt
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred oxide resource component. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“0.19”
Context: 220.8
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
inferredRio Grande · silverTonnes: 220800000Grade: 17.8Grade Unit: mozView all detailsHide details
Identity
- Project
- Rio Grande
- Commodity
- silver
- Region
- argentina
- Reported Region
- Salta, Argentina
- Ticker
- ALDE
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Benjamin Sanfurgo
- Resource group id
- resource:8119c7a2eac3aa96f3ed
- Deposit or zone
- Oxide
- Mining method
- open_pit
- Material type
- Inferred
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 220800000
- Grade
- 17.8
- Grade Unit
- moz
- Cutoff Grade
- 10.25
- Cutoff Unit
- US$/t
Prior Estimate
- Resource Date
- 2026-02-15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Standard inferred oxide resource component. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“17.8”
Context: 220.8
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
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.