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
Resource update, Drill results
Extracted
2026-09-19 09:26:53 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 resource by testing known and suspected veins. The company also restated its existing silver-gold mineral resource estimate from November 2020.

Reasoning: The document outlines a new exploration drill plan (high novelty for the program) while restating a substantial existing silver-gold resource (historical context).

Positive factors

  • Planned drilling program to expand existing resource
  • Substantial silver resource already established
  • Clear targets identified for upcoming Q4 2025 program

Negative factors

  • Resource estimate is historical (2020), not new results

Facts used in scoring: 21

Classification and evidence

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The planned program aims to expand and increase the mineral resource by extending known veins.

Evidence · text

“Our objective at Challacollo is to expand and increase the mineral resource”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The resource estimate is sourced from an NI 43-101 technical report.

Evidence · text

“Source: NI 43-101 technical report”

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: The resource estimate effective date is 30 November 2020, which is over 4 years old.

Evidence · text

“The effective date of the estimate is 30 November 2020.”

Extracted facts

Stored fact records: 21. Some facts used in scoring do not have a stored record.

Drill Results (1)

Fact 1Needs review: drill_no_hole_idView all details
Link to this fact

Identity

Region
chile
Reported Region
chile
Ticker
AAG

Classification

Program
exploration
Sample Type
drill

QA/QC

QA/QC Methods
standards

Compositing

Dilution Disclosed
Yes

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Planned exploration program to test new and known targets.

Positive factors

  • Targeted drilling to expand resource

Evidence · text

“Aftermath is planning an initial 7 to 10-hole diamond core program for Q4 2025”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Resource Estimates (20)

indicatedChallacollo · silverTonnes: 5597000Grade: 170Grade Unit: g/tContained Metal: 30639Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
silver
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:5ce892bfe3194f36986c
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
Cutoff Grade
35
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Indicated silver resource in open pit.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

indicatedChallacollo · goldTonnes: 5597000Grade: 0.27Grade Unit: g/tContained Metal: 49Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
gold
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:5ce892bfe3194f36986c
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
Cutoff Grade
35
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Indicated gold resource in open pit.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

indicatedChallacollo · silverTonnes: 1043000Grade: 134Grade Unit: g/tContained Metal: 4510Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
silver
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:61954fa2973739ca51c0
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
Cutoff Grade
93
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Indicated silver resource in underground.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

indicatedChallacollo · goldTonnes: 1043000Grade: 0.29Grade Unit: g/tContained Metal: 10Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
gold
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:61954fa2973739ca51c0
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
Cutoff Grade
93
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Indicated gold resource in underground.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

inferredChallacollo · silverTonnes: 2360000Grade: 117Grade Unit: g/tContained Metal: 8912Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
silver
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:b509cd1b5dcfcbebfd3b
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
Cutoff Grade
35
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Inferred silver resource in open pit.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

inferredChallacollo · goldTonnes: 2360000Grade: 0.15Grade Unit: g/tContained Metal: 11Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
gold
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:b509cd1b5dcfcbebfd3b
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
Cutoff Grade
35
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Inferred gold resource in open pit.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

inferredChallacollo · silverTonnes: 443000Grade: 157Grade Unit: g/tContained Metal: 2232Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
silver
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:ebd4be134ca768fa3cdc
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
Cutoff Grade
93
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Inferred silver resource in underground.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 years before this release

inferredChallacollo · goldTonnes: 443000Grade: 0.26Grade Unit: g/tContained Metal: 4Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Challacollo
Commodity
gold
Region
chile
Reported Region
Northern Chile
Ticker
AAG

Resource scope

Estimate type
resource
Effective date
2020-11-30T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dinara Nussipakynova
Resource group id
resource:ebd4be134ca768fa3cdc
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
Cutoff Grade
93
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2020-11-30

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2020-12-15T00:00:00.000Z

Dates

Event date
2025-09-23T00:00:00.000Z

Reasoning: Inferred gold resource in underground.

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 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.8 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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
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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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
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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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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 details
Link to this fact

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

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-09-23T00:00:00.000Z

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.