Aftermath Silver Outlines Drill Plan for Challacollo Silver-Gold Project, Chile
Original announcement by tmx on
- Company
- Aftermath Silver Ltd.
- Ticker
- AAG
- Exchange
- TSX
- Region
- Northern Chile
- Primary commodity
- Silver
- Secondary commodities
- Gold
- Document categories
- Other, Resource update
- Extracted
- 2026-08-24 08:04:06 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Aftermath Silver has announced a planned 7 to 10-hole diamond drilling program for Q4 2025 at the Challacollo silver-gold project in Chile. The program aims to expand the existing mineral resource by testing down-dip extensions and new veins. The company also provided a summary of the current NI 43-101 compliant mineral resource estimate.
Reasoning: The announcement outlines a new exploration drill plan to expand an existing resource, which is a positive development, though the resource data itself is a restatement of a 2020 estimate.
Positive factors
- Planned exploration drilling to expand existing resource
- Substantial existing silver resource
- Clear drilling targets (Lolón North, Lucy North, etc.)
Negative factors
- Resource estimate is historical (effective 2020)
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 existing mineral resource estimate as part of the drill plan announcement.
Evidence · text
“Challacollo is a highly prospective low-sulphidation epithermal Ag-Au vein deposit containing a substantial silver resource (see Table 1 below).”
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 reported resource is in the Inferred category.
Evidence · table
“Inferred”
Context: 2,360
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource estimate is stated to be prepared in accordance with NI 43-101 standards.
Evidence · text
“Source: NI 43-101 technical report for the Challacollo Mineral Resource Estimate”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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
- 2025-09-23T00:00:00.000Z
Reasoning: Indicated resource component of the existing estimate. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Historical estimate
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.