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

Atlas analysis — Aftermath Silver Ltd.: Aftermath Silver Outlines Drill Plan for Challacollo Silver-Gold Project, Chile. indicated 5597000 tonnes; inferred 2360000 tonnes

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.