Americas Gold and Silver Announces High-Grade Infill Drill Results at the Cosalá Complex Highlighting Substantial Upside Compared To Mineral Resource Grades, Including 599.8 g/t Ag, 0.8% Cu over 14.0m and 509.7 g/t Ag, 0.4% Cu over 10.0m

Original announcement by yahoo_press on

Company
Americas Gold and Silver Corporation
Ticker
USA
Exchange
TSX
Region
Unavailable
Primary commodity
Silver
Secondary commodities
Copper
Document categories
Drill results, Resource update
Extracted
2026-09-21 10:13:31 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Americas Gold and Silver Corporation has announced high-grade silver and copper drill results from its Cosalá Complex. The results, obtained during a resource conversion program, include silver intercepts exceeding 500 g/t, highlighting substantial upside relative to current mineral resource grades.

Reasoning: The announcement reports high-grade silver and copper intercepts from an ongoing resource conversion program, which provides significant geological upside.

Positive factors

  • High-grade silver intercepts
  • Infill drilling supporting resource conversion
  • Significant upside compared to existing resource grades

Facts used in scoring: 4

Classification and evidence

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The release describes the program as 'ongoing resource conversion drilling', which is infill/definition drilling.

Evidence · text

“ongoing resource conversion drilling program”

Bonanza Interceptpositive

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

Why it applies: Silver grades of 599.8 g/t and 509.7 g/t are exceptionally high.

Evidence · text

“599.8 g/t Ag”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Drill Results (4)

Fact 1Cosalá Complex · silverGrade: 599.8Grade Unit: g/tIntercept: 14 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cosalá Complex
Commodity
silver
Region
canada_on
Reported Region
canada_on
Ticker
USA

Geometry

Grade
599.8
Grade Unit
g/t
Intercept
14 m

Classification

Program
resource
Sample Type
drill
Group ID
unknown:0-14
Mining Method
unknown

Location

Location
San Rafael Upper, 120 Upper and 120 Lower zones
Loc. Source
document

Review

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

Dates

Event date
2026-06-01T00:00:00.000Z

Reasoning: Very high grade silver intercept.

Positive factors

  • Exceptional silver grade

Evidence · text

“599.8 g/t Ag, 0.8% Cu over 14.0m”

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 2Cosalá Complex · copperGrade: 0.8Grade Unit: %Intercept: 14 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cosalá Complex
Commodity
copper
Region
canada_on
Reported Region
canada_on
Ticker
USA

Geometry

Grade
0.8
Grade Unit
%
Intercept
14 m

Classification

Program
resource
Sample Type
drill
Group ID
unknown:0-14
Mining Method
unknown

Location

Location
San Rafael Upper, 120 Upper and 120 Lower zones
Loc. Source
document

Review

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

Dates

Event date
2026-06-01T00:00:00.000Z

Reasoning: Solid copper grade accompanying high silver.

Positive factors

  • Co-product copper

Evidence · text

“0.8% Cu over 14.0m”

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 3Cosalá Complex · silverGrade: 509.7Grade Unit: g/tIntercept: 10 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cosalá Complex
Commodity
silver
Region
canada_on
Reported Region
canada_on
Ticker
USA

Geometry

Grade
509.7
Grade Unit
g/t
Intercept
10 m

Classification

Program
resource
Sample Type
drill
Group ID
unknown:0-10
Mining Method
unknown

Location

Location
San Rafael Upper, 120 Upper and 120 Lower zones
Loc. Source
document

Review

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

Dates

Event date
2026-06-01T00:00:00.000Z

Reasoning: High grade silver intercept.

Positive factors

  • High grade silver

Evidence · text

“509.7 g/t Ag, 0.4% Cu over 10.0m”

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 4Cosalá Complex · copperGrade: 0.4Grade Unit: %Intercept: 10 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cosalá Complex
Commodity
copper
Region
canada_on
Reported Region
canada_on
Ticker
USA

Geometry

Grade
0.4
Grade Unit
%
Intercept
10 m

Classification

Program
resource
Sample Type
drill
Group ID
unknown:0-10
Mining Method
unknown

Location

Location
San Rafael Upper, 120 Upper and 120 Lower zones
Loc. Source
document

Review

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

Dates

Event date
2026-06-01T00:00:00.000Z

Reasoning: Moderate copper grade accompanying high silver.

Positive factors

  • Co-product copper

Evidence · text

“0.4% Cu over 10.0m”

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

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.