Zacatecas Silver Reports High-Grade Gold and Silver Surface Sampling Over 2 km Strike Length at Oso Negro, Sonora

Original announcement by tmx on

Company
Zacatecas Silver Corp.
Ticker
ZAC
Exchange
TSX
Region
Sonora, Mexico
Primary commodity
Gold
Secondary commodities
Silver, Lead, Zinc
Document categories
Drill results, Permitting
Extracted
2026-08-24 18:31:37 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Zacatecas Silver reported high-grade gold and silver results from surface rock-chip sampling at the Oso Negro project in Sonora, Mexico. The sampling identified mineralization over a 2 km strike length, with intercepts up to 14.8 g/t Au and 2,340 g/t Ag, suggesting significant potential at depth.

Reasoning: Strong high-grade surface results across a significant strike length in a prospective epithermal system, providing a compelling drill target.

Positive factors

  • High-grade surface intercepts (14.8 g/t Au, 2,340 g/t Ag)
  • System-scale continuity over 2 km strike length
  • Geological context suggests higher grades at depth (above boiling zone)
  • QA/QC protocols disclosed (ALS, blanks, standards, duplicates)

Negative factors

  • Surface sampling only (rock-chip/grab), no drill intercepts yet

Facts used in scoring: 2

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: 14.8 g/t Au and 2,340 g/t Ag are exceptionally high grades for an epithermal system.

Evidence · text

“Up to 14.8 g/t Au and 2,340 g/t Ag returned from surface rock-chip sampling”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release mentions ALS laboratory, certified reference materials, blanks, and field duplicates.

Evidence · text

“The Company inserted certified reference materials, blanks and field duplicates into the sample stream”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Drill Results (2)

Fact 1goldGrade: 14.8Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
ZAC

Geometry

Grade
14.8
Grade Unit
g/t

Classification

Sample Type
surface

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, standards, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: 14.8 g/t Au is an exceptional grade for an epithermal system.

Positive factors

  • High grade for epithermal system
Fact 2silverGrade: 2340Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
ZAC

Geometry

Grade
2340
Grade Unit
g/t

Classification

Sample Type
surface

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, standards, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: 2,340 g/t Ag is an exceptional grade for silver.

Positive factors

  • Exceptional silver grade

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.