Zacatecas Silver Provides Corporate Update for 2026 and Highlights Upcoming Drill Program at Silver Project

Original announcement by tmx on

Company
Zacatecas Silver Corp.
Ticker
ZAC
Exchange
TSX
Region
Mexico
Primary commodity
Silver
Secondary commodities
Gold
Document categories
Resource update, Other
Extracted
2026-09-17 06:55:31 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Zacatecas Silver provided a corporate update highlighting its advanced Mexican portfolio, specifically the Zacatecas Silver Project and the Esperanza Gold Project. The company is preparing for a 4,000-metre drill program and noted a positive shift in Mexico's permitting environment for open-pit mines.

Reasoning: Corporate update highlighting operational progress, upcoming drilling, and a favorable shift in the Mexican regulatory landscape for open-pit projects.

Positive factors

  • improving permitting environment in Mexico
  • upcoming 4,000m drill program at Zacatecas Silver Project
  • community access agreements secured
  • advanced-stage assets with defined resources

Negative factors

  • historical resource data (2022/2023) used for update

Facts used in scoring: 6

Classification and evidence

Nearology Playneutral · Story-specific tag

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: Zacatecas Silver Project is located 25 km from MAG Silver's Juanicipio Mine and Fresnillo PLC's Fresnillo Mine.

Evidence · text

“The Silver property is 25 kilometres (km) southeast of MAG Silver Corp.'s Juanicipio Mine and Fresnillo PLC's Fresnillo Mine.”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Resource Estimates (6)

inferredZacatecas Silver Project · silverTonnes: 3410000Grade: 173Grade Unit: g/tContained Metal: 19Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Zacatecas Silver Project
Commodity
silver
Region
mexico
Reported Region
Mexico
Ticker
ZAC

Resource scope

Estimate type
resource
Resource group id
resource:5d7726afc1aa758ef4d2

Resource Data

Category
inferred
Tonnes
3410000
Grade
173
Grade Unit
g/t
Contained Metal
19
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-05-30T00:00:00.000Z

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Historical inferred resource restatement.

Evidence · text

“Inferred mineral resource of 20.5 million ounces of silver equivalent (“AgEq”) (19.0 million ounces of silver (“Ag”) and 19.2 thousand ounces of gold (“Au”)) from 3.41 million tonnes at 187 g/t Ag Eq (173 g/t Ag and 0.18 g/t Au)”

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 2.6 years before this release

inferredZacatecas Silver Project · goldTonnes: 3410000Grade: 0.18Grade Unit: g/tContained Metal: 19.2Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Zacatecas Silver Project
Commodity
gold
Region
mexico
Reported Region
Mexico
Ticker
ZAC

Resource scope

Estimate type
resource
Resource group id
resource:5d7726afc1aa758ef4d2

Resource Data

Category
inferred
Tonnes
3410000
Grade
0.18
Grade Unit
g/t
Contained Metal
19.2
Contained Unit
koz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-05-30T00:00:00.000Z

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Historical inferred gold component of the silver resource.

Evidence · text

“19.2 thousand ounces of gold (“Au”)) from 3.41 million tonnes at 187 g/t Ag Eq (173 g/t Ag and 0.18 g/t Au)”

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 2.6 years before this release

indicatedEsperanza Gold Project · goldTonnes: 30500000Grade: 0.93Grade Unit: g/tContained Metal: 913000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Esperanza Gold Project
Commodity
gold
Region
mexico
Reported Region
Mexico
Ticker
ZAC

Resource scope

Estimate type
resource
Resource group id
resource:3584687edfd0d3d82263

Resource Data

Category
indicated
Tonnes
30500000
Grade
0.93
Grade Unit
g/t
Contained Metal
913000
Contained Unit
oz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2022-11-16T00:00:00.000Z

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Historical indicated gold component of the Esperanza resource.

Evidence · text

“Measured and indicated mineral resource of 30.5 million tonnes at 0.97 g/t gold equivalent (“AuEq”) (0.93 g/t Au and 8.7 g/t Ag) for 956,000 ounces AuEq (913,000 ounces Au and 8.51 million ounces Ag)”

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 3.1 years before this release

indicatedEsperanza Gold Project · silverTonnes: 30500000Grade: 8.7Grade Unit: g/tContained Metal: 8.51Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Esperanza Gold Project
Commodity
silver
Region
mexico
Reported Region
Mexico
Ticker
ZAC

Resource scope

Estimate type
resource
Resource group id
resource:3584687edfd0d3d82263

Resource Data

Category
indicated
Tonnes
30500000
Grade
8.7
Grade Unit
g/t
Contained Metal
8.51
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2022-11-16T00:00:00.000Z

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Historical indicated silver component of the Esperanza resource.

Evidence · text

“Measured and indicated mineral resource of 30.5 million tonnes at 0.97 g/t gold equivalent (“AuEq”) (0.93 g/t Au and 8.7 g/t Ag) for 956,000 ounces AuEq (913,000 ounces Au and 8.51 million ounces Ag)”

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 3.1 years before this release

inferredEsperanza Gold Project · goldTonnes: 8700000Grade: 0.91Grade Unit: g/tContained Metal: 256000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Esperanza Gold Project
Commodity
gold
Region
mexico
Reported Region
Mexico
Ticker
ZAC

Resource scope

Estimate type
resource
Resource group id
resource:09f777f50a7dc55a5187

Resource Data

Category
inferred
Tonnes
8700000
Grade
0.91
Grade Unit
g/t
Contained Metal
256000
Contained Unit
oz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2022-11-16T00:00:00.000Z

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Historical inferred gold component of the Esperanza resource.

Evidence · text

“Inferred mineral resource of 8.7 million tonnes at 0.98 g/t AuEq (0.91 g/t Au and 14.5 g/t Ag) for 277,000 ounces AuEq (256,000 ounces Au and 4.1 million ounces Ag)”

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 3.1 years before this release

inferredEsperanza Gold Project · silverTonnes: 8700000Grade: 14.5Grade Unit: g/tContained Metal: 4.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Esperanza Gold Project
Commodity
silver
Region
mexico
Reported Region
Mexico
Ticker
ZAC

Resource scope

Estimate type
resource
Resource group id
resource:09f777f50a7dc55a5187

Resource Data

Category
inferred
Tonnes
8700000
Grade
14.5
Grade Unit
g/t
Contained Metal
4.1
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2022-11-16T00:00:00.000Z

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Historical inferred silver component of the Esperanza resource.

Evidence · text

“Inferred mineral resource of 8.7 million tonnes at 0.98 g/t AuEq (0.91 g/t Au and 14.5 g/t Ag) for 277,000 ounces AuEq (256,000 ounces Au and 4.1 million ounces Ag)”

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 3.1 years before this release

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.