Aftermath Silver Begins Drilling at Berenguela Eastern Copper Target and Challacollo Silver Project in Chile
Original announcement by tmx on
- Company
- Aftermath Silver Ltd.
- Ticker
- AAG
- Exchange
- TSX
- Region
- Chile
- Primary commodity
- Silver
- Secondary commodities
- Copper, Gold, Manganese
- Document categories
- Drill results, Resource update
- Extracted
- 2026-08-24 04:46:55 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Aftermath Silver has commenced new drilling programs at the Berenguela copper target in Peru and the Challacollo silver-gold project in Chile. The announcement also provides a summary of the existing Challacollo silver resource, which is based on a 2020 NI 43-101 technical report.
Reasoning: The company is initiating new drilling at two projects, though the primary resource mentioned is a historical estimate from 2020.
Positive factors
- commencement of new drilling programs
- substantial existing silver resource at Challacollo
- high-grade copper targets at Berenguela
Negative factors
- resource estimate is historical (2020)
Facts used in scoring: 19

Classification and evidence
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The Challacollo resource includes a significant Inferred component.
Evidence · text
“Inferred TOTAL 2,803 124 0.17 11,144 15”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The Challacollo resource is reported in compliance with NI 43-101.
Evidence · text
“NI 43-101 technical report for the Challacollo Mineral Resource Estimate”
Extracted facts
Stored fact records: 19. Some facts used in scoring do not have a stored record.
Drill Results (7)
AFD100Berenguela · copperGrade: 1.12Grade Unit: %Intercept: 156 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- AFD100
- Project
- Berenguela
- Commodity
- copper
- Ticker
- AAG
Geometry
- Grade
- 1.12
- Grade Unit
- %
- Intercept
- 156 m
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-02-27T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Significant width and grade reported in a previous release.
Positive factors
- longest copper intercept to date
Evidence · text
“AFD100 which assayed 156m grading 1.12% Cu”
AFD100Berenguela · silverGrade: 290Grade Unit: g/tIntercept: 156 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- AFD100
- Project
- Berenguela
- Commodity
- silver
- Ticker
- AAG
Geometry
- Grade
- 290
- Grade Unit
- g/t
- Intercept
- 156 m
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-02-27T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Significant silver grade associated with the long copper intercept.
Positive factors
- high silver grade
Evidence · text
“156m grading 1.12% Cu, 290 g/t Ag”
AFD100Berenguela · manganeseGrade: 7.3Grade Unit: %Intercept: 156 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- AFD100
- Project
- Berenguela
- Commodity
- manganese
- Ticker
- AAG
Geometry
- Grade
- 7.3
- Grade Unit
- %
- Intercept
- 156 m
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-02-27T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Manganese reported as a byproduct in a previous release.
Evidence · text
“156m grading 1.12% Cu, 290 g/t Ag and 7.3% Mn”
Fact 4Challacollo · silverGrade: 165Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo
- Commodity
- silver
- Region
- chile
- Reported Region
- Chile
- Ticker
- AAG
Geometry
- Grade
- 165
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2020-11-30T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Indicated silver resource at Challacollo.
Positive factors
- substantial silver resource
Negative factors
- historical estimate
Evidence · table
“165”
Context: 6,640
Fact 5Challacollo · goldGrade: 0.27Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo
- Commodity
- gold
- Region
- chile
- Reported Region
- Chile
- Ticker
- AAG
Geometry
- Grade
- 0.27
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2020-11-30T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Indicated gold resource at Challacollo.
Evidence · table
“0.27”
Context: 6,640
Fact 6Challacollo · silverGrade: 124Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo
- Commodity
- silver
- Region
- chile
- Reported Region
- Chile
- Ticker
- AAG
Geometry
- Grade
- 124
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2020-11-30T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Inferred silver resource at Challacollo.
Negative factors
- inferred category
Evidence · table
“124”
Context: 2,803
Fact 7Challacollo · goldGrade: 0.17Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Challacollo
- Commodity
- gold
- Region
- chile
- Reported Region
- Chile
- Ticker
- AAG
Geometry
- Grade
- 0.17
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2020-11-30T00:00:00.000Z
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Inferred gold resource at Challacollo.
Negative factors
- inferred category
Evidence · table
“0.17”
Context: 2,803
Resource Estimates (12)
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“170”
Context: 5,597
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“0.27”
Context: 5,597
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“134”
Context: 1,043
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“0.29”
Context: 1,043
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“165”
Context: 6,640
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“0.27”
Context: 6,640
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“117”
Context: 2,360
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“0.15”
Context: 2,360
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“157”
Context: 443
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“0.26”
Context: 443
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“124”
Context: 2,803
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 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
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade copper intercept reported in a previous release. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- strong copper grade
Evidence · table
“0.17”
Context: 2,803
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.