Aftermath Silver Berenguela & Challacollo Project Updates
Original announcement by tmx on
- Company
- Aftermath Silver Ltd.
- Ticker
- AAG
- Exchange
- TSX
- Region
- Northern Chile
- Primary commodity
- Silver
- Secondary commodities
- Gold
- Document categories
- Resource update, Economic study
- Extracted
- 2026-09-19 06:20:49 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Aftermath Silver provided updates for its Berenguela (Peru) and Challacollo (Chile) projects. The Berenguela Prefeasibility Study is progressing on schedule for early 2027, while the Challacollo project continues drilling to test vein extensions, supported by a restated silver-gold resource estimate.
Reasoning: The document provides a summary of the Challacollo resource (restatement) and an update on the Berenguela PFS progress.
Positive factors
- Challacollo resource update provides clear silver-gold breakdown
- Berenguela PFS remains on schedule and budget
- Ongoing drilling at Challacollo to test extensions
Negative factors
- Challacollo resource is a restatement of a 2020 estimate
- QP for Challacollo is noted as non-independent
Facts used in scoring: 20
Classification and evidence
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document provides a summary of the Mineral Resource Estimate for the Challacollo project.
Evidence · text
“Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold Project”
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: The Challacollo MRE is based on a technical report from December 15, 2020.
Evidence · text
“announced on December 15, 2020”
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: While a QP is named, the document explicitly states he is a non-independent director.
Evidence · text
“Michael Parker... is a non-independent qualified person”
PFS Completepositive
AACE Class 3 study complete.
Why it applies: The Berenguela project is currently undergoing a Prefeasibility Study (PFS) on schedule.
Evidence · text
“our Prefeasability Report for the Berenguela project is on schedule and on budget”
Extracted facts
Stored fact records: 20. Some facts used in scoring do not have a stored record.
Resource Estimates (20)
indicatedChallacollo Silver-Gold Project · silverTonnes: 5597000Grade: 170Grade Unit: g/tContained Metal: 30639Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- silver
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:1c3730302a4ee9408437
- Deposit or zone
- Challacollo
- Mining method
- open_pit
- Material type
- Open Pit
Resource Data
- Category
- indicated
- Tonnes
- 5597000
- Grade
- 170
- Grade Unit
- g/t
- Contained Metal
- 30639
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Indicated silver resource for Challacollo (restatement).
Evidence · table
“170”
Context: 5,597
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
indicatedChallacollo Silver-Gold Project · goldTonnes: 5597000Grade: 0.27Grade Unit: g/tContained Metal: 49Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- gold
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:1c3730302a4ee9408437
- Deposit or zone
- Challacollo
- Mining method
- open_pit
- Material type
- Open Pit
Resource Data
- Category
- indicated
- Tonnes
- 5597000
- Grade
- 0.27
- Grade Unit
- g/t
- Contained Metal
- 49
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Indicated gold resource for Challacollo (restatement).
Evidence · table
“0.27”
Context: 5,597
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
indicatedChallacollo Silver-Gold Project · silverTonnes: 1043000Grade: 134Grade Unit: g/tContained Metal: 4510Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- silver
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:aabb0e6192b942658573
- Deposit or zone
- Challacollo
- Mining method
- underground
- Material type
- Underground
Resource Data
- Category
- indicated
- Tonnes
- 1043000
- Grade
- 134
- Grade Unit
- g/t
- Contained Metal
- 4510
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Indicated silver resource for Challacollo (restatement).
Evidence · table
“134”
Context: 1,043
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
indicatedChallacollo Silver-Gold Project · goldTonnes: 1043000Grade: 0.29Grade Unit: g/tContained Metal: 10Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- gold
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:aabb0e6192b942658573
- Deposit or zone
- Challacollo
- Mining method
- underground
- Material type
- Underground
Resource Data
- Category
- indicated
- Tonnes
- 1043000
- Grade
- 0.29
- Grade Unit
- g/t
- Contained Metal
- 10
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Indicated gold resource for Challacollo (restatement).
Evidence · table
“0.29”
Context: 1,043
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
inferredChallacollo Silver-Gold Project · silverTonnes: 2360000Grade: 117Grade Unit: g/tContained Metal: 8912Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- silver
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:6d47f124d05c44aff113
- Deposit or zone
- Challacollo
- Mining method
- open_pit
- Material type
- Open Pit
Resource Data
- Category
- inferred
- Tonnes
- 2360000
- Grade
- 117
- Grade Unit
- g/t
- Contained Metal
- 8912
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Inferred silver resource for Challacollo (restatement).
Evidence · table
“117”
Context: 2,360
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
inferredChallacollo Silver-Gold Project · goldTonnes: 2360000Grade: 0.15Grade Unit: g/tContained Metal: 11Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- gold
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:6d47f124d05c44aff113
- Deposit or zone
- Challacollo
- Mining method
- open_pit
- Material type
- Open Pit
Resource Data
- Category
- inferred
- Tonnes
- 2360000
- Grade
- 0.15
- Grade Unit
- g/t
- Contained Metal
- 11
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Inferred gold resource for Challacollo (restatement).
Evidence · table
“0.15”
Context: 2,360
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
inferredChallacollo Silver-Gold Project · silverTonnes: 443000Grade: 157Grade Unit: g/tContained Metal: 2232Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- silver
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:38c8e6c80c9440c78a0a
- Deposit or zone
- Challacollo
- Mining method
- underground
- Material type
- Underground
Resource Data
- Category
- inferred
- Tonnes
- 443000
- Grade
- 157
- Grade Unit
- g/t
- Contained Metal
- 2232
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Inferred silver resource for Challacollo (restatement).
Evidence · table
“157”
Context: 443
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
inferredChallacollo Silver-Gold Project · goldTonnes: 443000Grade: 0.26Grade Unit: g/tContained Metal: 4Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo Silver-Gold Project
- Commodity
- gold
- Region
- chile
- Reported Region
- Northern Chile
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:38c8e6c80c9440c78a0a
- Deposit or zone
- Challacollo
- Mining method
- underground
- Material type
- Underground
Resource Data
- Category
- inferred
- Tonnes
- 443000
- Grade
- 0.26
- Grade Unit
- g/t
- Contained Metal
- 4
- Contained Unit
- koz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2020-12-15T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Inferred gold resource for Challacollo (restatement).
Evidence · table
“0.26”
Context: 443
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 5.7 years before this release
indicatedSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · silverTonnes: 5597000Grade: 170Grade Unit: g/tContained Metal: 30639Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- silver
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:3b41cf732f62f9767f16
- Mining method
- combined
- Material type
- Open Pit
Resource Data
- Category
- indicated
- Tonnes
- 5597000
- Grade
- 170
- Grade Unit
- g/t
- Contained Metal
- 30639
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“170”
Context: 5,597
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
indicatedSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · goldTonnes: 5597000Grade: 0.27Grade Unit: g/tContained Metal: 49Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- gold
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:3b41cf732f62f9767f16
- Mining method
- combined
- Material type
- Open Pit
Resource Data
- Category
- indicated
- Tonnes
- 5597000
- Grade
- 0.27
- Grade Unit
- g/t
- Contained Metal
- 49
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“0.27”
Context: 5,597
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
indicatedSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · silverTonnes: 1043000Grade: 134Grade Unit: g/tContained Metal: 4510Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- silver
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:641e6738e7e3c3e5793f
- Mining method
- combined
- Material type
- Underground
Resource Data
- Category
- indicated
- Tonnes
- 1043000
- Grade
- 134
- Grade Unit
- g/t
- Contained Metal
- 4510
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“134”
Context: 1,043
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
indicatedSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · goldTonnes: 1043000Grade: 0.29Grade Unit: g/tContained Metal: 10Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- gold
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:641e6738e7e3c3e5793f
- Mining method
- combined
- Material type
- Underground
Resource Data
- Category
- indicated
- Tonnes
- 1043000
- Grade
- 0.29
- Grade Unit
- g/t
- Contained Metal
- 10
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“0.29”
Context: 1,043
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
indicatedSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · silverTonnes: 6640000Grade: 165Grade Unit: g/tContained Metal: 35150Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- silver
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:6ac9c06e565904827d88
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 6640000
- Grade
- 165
- Grade Unit
- g/t
- Contained Metal
- 35150
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“165”
Context: 6,640
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
indicatedSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · goldTonnes: 6640000Grade: 0.27Grade Unit: g/tContained Metal: 58Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- gold
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:6ac9c06e565904827d88
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 6640000
- Grade
- 0.27
- Grade Unit
- g/t
- Contained Metal
- 58
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“0.27”
Context: 6,640
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
inferredSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · silverTonnes: 2360000Grade: 117Grade Unit: g/tContained Metal: 8912Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- silver
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:65f73468a8edc9695bd4
- Mining method
- combined
- Material type
- Open Pit
Resource Data
- Category
- inferred
- Tonnes
- 2360000
- Grade
- 117
- Grade Unit
- g/t
- Contained Metal
- 8912
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“117”
Context: 2,360
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
inferredSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · goldTonnes: 2360000Grade: 0.15Grade Unit: g/tContained Metal: 11Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- gold
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:65f73468a8edc9695bd4
- Mining method
- combined
- Material type
- Open Pit
Resource Data
- Category
- inferred
- Tonnes
- 2360000
- Grade
- 0.15
- Grade Unit
- g/t
- Contained Metal
- 11
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“0.15”
Context: 2,360
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
inferredSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · silverTonnes: 443000Grade: 157Grade Unit: g/tContained Metal: 2232Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- silver
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:ff3a55e3792b8d5258bd
- Mining method
- combined
- Material type
- Underground
Resource Data
- Category
- inferred
- Tonnes
- 443000
- Grade
- 157
- Grade Unit
- g/t
- Contained Metal
- 2232
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“157”
Context: 443
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
inferredSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · goldTonnes: 443000Grade: 0.26Grade Unit: g/tContained Metal: 4Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- gold
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:ff3a55e3792b8d5258bd
- Mining method
- combined
- Material type
- Underground
Resource Data
- Category
- inferred
- Tonnes
- 443000
- Grade
- 0.26
- Grade Unit
- g/t
- Contained Metal
- 4
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“0.26”
Context: 443
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
inferredSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · silverTonnes: 2803000Grade: 124Grade Unit: g/tContained Metal: 11144Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- silver
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:4dd9ee51bcfad613667a
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 2803000
- Grade
- 124
- Grade Unit
- g/t
- Contained Metal
- 11144
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“124”
Context: 2,803
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
inferredSummary of the Mineral Resource Estimate for the Challacollo Silver-Gold · goldTonnes: 2803000Grade: 0.17Grade Unit: g/tContained Metal: 15Contained Unit: kozView all detailsHide details
Identity
- Project
- Summary of the Mineral Resource Estimate for the Challacollo Silver-Gold
- Commodity
- gold
- Ticker
- AAG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:4dd9ee51bcfad613667a
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 2803000
- Grade
- 0.17
- Grade Unit
- g/t
- Contained Metal
- 15
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“0.17”
Context: 2,803
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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
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.