Golden Minerals Announces Resource Estimate For Rodeo Project
Original announcement by tmx on
- Company
- Golden Minerals Company
- Ticker
- AUMN
- Exchange
- TSX
- Region
- Durango State, Mexico
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Resource update
- Extracted
- 2026-09-17 11:48:55 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Golden Minerals announced a NI 43-101 compliant mineral resource estimate for its Rodeo gold project in Mexico. The estimate includes two scenarios: a mill processing case (Indicated 0.4 Mt @ 3.3 g/t Au) and a heap leach case (Indicated 3.6 Mt @ 0.8 g/t Au).
Reasoning: The company announced its first formal mineral resource estimate for the Rodeo project, providing two distinct processing scenarios (mill and heap leach) with Indicated and Inferred categories.
Positive factors
- Maiden resource estimate for Rodeo project
- Two processing scenarios provided (mill and heap leach)
- NI 43-101 compliant
- QP sign-off provided
Facts used in scoring: 12
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.
Why it applies: First formal MRE for the project established via the 2016 drilling program.
Evidence · text
“Golden conducted a 2,080-meter core drilling program in 2016. Shown below are two resource estimates”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The release explicitly states the estimate is NI 43-101 compliant.
Evidence · text
“is pleased to announce the results of a Canadian National Instrument 43-101 ("NI 43-101") compliant mineral resource estimate”
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: Geoff Elson from Tetra Tech is named as the independent Qualified Person.
Evidence · text
“Geoff Elson is the independent Qualified Person from Tetra Tech who reviewed and approved this press release.”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: Cutoff grades for both the mill and heap leach scenarios are clearly stated.
Evidence · text
“Table 1 presents a mill grade resource... Table 2 presents a heap leach case”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Resource Estimates (12)
indicatedRodeo · goldTonnes: 400000Grade: 3.3Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:06cad6f59039d117b574
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 400000
- Grade
- 3.3
- Grade Unit
- g/t
- Cutoff Grade
- 0.83
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Indicated resource for the mill processing scenario.
Positive factors
- Indicated category reported
Evidence · table
“3.3”
Context: 0.4
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
indicatedRodeo · silverTonnes: 400000Grade: 11Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:06cad6f59039d117b574
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 400000
- Grade
- 11
- Grade Unit
- g/t
- Cutoff Grade
- 0.83
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Silver grade for the mill processing scenario.
Evidence · table
“11”
Context: 0.4
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
indicatedRodeo · goldTonnes: 3600000Grade: 0.8Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:794e278a93b088994249
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 3600000
- Grade
- 0.8
- Grade Unit
- g/t
- Cutoff Grade
- 0.17
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Indicated resource for the heap leach scenario.
Positive factors
- Larger tonnage reported in heap leach case
Negative factors
- Lower grade compared to mill case
Evidence · table
“0.8”
Context: 3.6
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
indicatedRodeo · silverTonnes: 3600000Grade: 12Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:794e278a93b088994249
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 3600000
- Grade
- 12
- Grade Unit
- g/t
- Cutoff Grade
- 0.17
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Silver grade for the heap leach scenario.
Evidence · table
“12”
Context: 3.6
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredRodeo · goldTonnes: 3600000Grade: 0.4Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:5800166456f3b1076a83
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 3600000
- Grade
- 0.4
- Grade Unit
- g/t
- Cutoff Grade
- 0.17
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Inferred resource for the heap leach scenario.
Negative factors
- Inferred category
Evidence · table
“0.4”
Context: 3.6
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
inferredRodeo · silverTonnes: 3600000Grade: 11Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:5800166456f3b1076a83
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 3600000
- Grade
- 11
- Grade Unit
- g/t
- Cutoff Grade
- 0.17
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Inferred resource for the heap leach scenario.
Negative factors
- Inferred category
Evidence · table
“11”
Context: 3.6
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
indicatedRodeo · goldTonnes: 0.4Grade: 3.3Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:ab019f07864cba2fcce6
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 0.4
- Grade
- 3.3
- Grade Unit
- g/t
- Cutoff Grade
- 0.83
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Indicated resource for the mill processing scenario. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated category reported
Evidence · table
“3.3”
Context: 0.4
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
indicatedRodeo · silverTonnes: 0.4Grade: 11Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:ab019f07864cba2fcce6
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 0.4
- Grade
- 11
- Grade Unit
- g/t
- Cutoff Grade
- 0.83
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Indicated resource for the mill processing scenario. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated category reported
Evidence · table
“11”
Context: 0.4
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
indicatedRodeo · goldTonnes: 3.6Grade: 0.8Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:c57818c7457e27a0cc82
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 3.6
- Grade
- 0.8
- Grade Unit
- g/t
- Cutoff Grade
- 0.83
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Indicated resource for the mill processing scenario. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated category reported
Evidence · table
“0.8”
Context: 3.6
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
indicatedRodeo · silverTonnes: 3.6Grade: 12Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:c57818c7457e27a0cc82
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 3.6
- Grade
- 12
- Grade Unit
- g/t
- Cutoff Grade
- 0.83
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Indicated resource for the mill processing scenario. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated category reported
Evidence · table
“12”
Context: 3.6
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredRodeo · goldTonnes: 3.6Grade: 0.4Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:cd45f92fc15d348f01e7
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 3.6
- Grade
- 0.4
- Grade Unit
- g/t
- Cutoff Grade
- 0.17
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Inferred resource for the heap leach scenario. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Inferred category
Evidence · table
“0.4”
Context: 3.6
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
inferredRodeo · silverTonnes: 3.6Grade: 11Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rodeo
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- AUMN
Resource scope
- Estimate type
- resource
- Effective date
- 2017-01-25T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Geoff Elson
- Resource group id
- resource:cd45f92fc15d348f01e7
- Deposit or zone
- Rodeo
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 3.6
- Grade
- 11
- Grade Unit
- g/t
- Cutoff Grade
- 0.17
- Cutoff Unit
- AuEq g/t
Prior Estimate
- Resource Date
- 2017-01-25
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2017-01-26T00:00:00.000Z
Reasoning: Inferred resource for the heap leach scenario. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Inferred category
Evidence · table
“11”
Context: 3.6
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
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.