American Tungsten & Antimony drilling backs US mine-to-metal plan

Original announcement by stockhead on

Company
American Tungsten & Antimony
Ticker
AT4
Exchange
Unavailable
Region
Utah
Primary commodity
Antimony
Secondary commodities
Silver
Document categories
Drill results, Other
Extracted
2026-10-15 05:03:39 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

American Tungsten & Antimony's drilling at the Antimony Canyon project in Utah has confirmed a second high-grade antimony pod at the Little Emma prospect. Additionally, rock chip sampling at White Spar returned silver grades up to 432 g/t, potentially adding a silver stream to their processing plans.

Reasoning: Drilling at Antimony Canyon confirmed high-grade stibnite pods, and surface sampling at White Spar returned significant silver grades, supporting a mine-to-metal strategy.

Positive factors

  • High-grade antimony intercepts confirmed
  • Discovery of a second discrete high-grade pod
  • Silver sampling shows significant potential

Facts used in scoring: 5

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: The 68.1% antimony sub-interval is exceptionally high grade.

Evidence · text

“0.36m at 68.1%”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Drilling confirmed a second discrete high-grade pod, extending the known mineralized system.

Evidence · text

“confirmed a second high-grade antimony pod”

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

ACP26DD023Antimony Canyon · antimonyGrade: 18.23Grade Unit: %Intercept: 1.49 mView all details
Link to this fact

Identity

Hole ID
ACP26DD023
Project
Antimony Canyon
Commodity
antimony
Region
usa_ut
Reported Region
usa_ut
Ticker
AT4

Geometry

Grade
18.23
Grade Unit
%
Intercept
1.49 m
From
28.35 m
To
29.84 m
Intercept Depth
28.35 m

Classification

Sample Type
drill
Group ID
ACP26DD023:28.35-29.84

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: 18.23% antimony over 1.49m is a very high-grade intercept for antimony.

Positive factors

  • High-grade intercept

Evidence · text

“1.49m at 18.23% antimony from 28.35m”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is 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

ACP26DD023Antimony Canyon · antimonyGrade: 33.95Grade Unit: %Intercept: 0.79 mView all details
Link to this fact

Identity

Hole ID
ACP26DD023
Project
Antimony Canyon
Commodity
antimony
Region
usa_ut
Reported Region
usa_ut
Ticker
AT4

Geometry

Grade
33.95
Grade Unit
%
Intercept
0.79 m

Classification

Sample Type
drill
Group ID
ACP26DD023:28.35-29.84

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Extremely high grade sub-interval within the main intercept.

Positive factors

  • Bonanza grade sub-interval

Evidence · text

“0.79m at 33.95%”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is 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

ACP26DD023Antimony Canyon · antimonyGrade: 68.1Grade Unit: %Intercept: 0.36 mView all details
Link to this fact

Identity

Hole ID
ACP26DD023
Project
Antimony Canyon
Commodity
antimony
Region
usa_ut
Reported Region
usa_ut
Ticker
AT4

Geometry

Grade
68.1
Grade Unit
%
Intercept
0.36 m

Classification

Sample Type
drill
Group ID
ACP26DD023:28.35-29.84

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Exceptional single-sample grade of 68.1% antimony.

Positive factors

  • Bonanza grade sub-interval

Evidence · text

“0.36m at 68.1%”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is 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

Fact 4White Spar · silverGrade: 432Grade Unit: g/tView all details
Link to this fact

Identity

Project
White Spar
Commodity
silver
Ticker
AT4

Geometry

Grade
432
Grade Unit
g/t

Classification

Sample Type
surface

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: High grade silver from rock chip sampling.

Positive factors

  • Significant silver grade from surface sampling

Evidence · text

“best silver result of 432g/t from an in-situ exposure”

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

Fact 5White Spar · silverGrade: 665Grade Unit: g/tView all details
Link to this fact

Identity

Project
White Spar
Commodity
silver
Ticker
AT4

Geometry

Grade
665
Grade Unit
g/t

Classification

Sample Type
surface

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: High grade silver from historical spoil.

Positive factors

  • High grade silver from historical material

Evidence · text

“sample from historical spoil returned 665g/t”

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

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.