American Tungsten & Antimony lifts the lid on Dutch Mountain with maiden drilling

Original announcement by stockhead on

Company
American Tungsten & Antimony
Ticker
AT4
Exchange
Unavailable
Region
Utah
Primary commodity
Tungsten
Secondary commodities
None reported
Document categories
Drill results, Other
Extracted
2026-09-12 01:05:32 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

American Tungsten & Antimony has commenced a maiden 11-hole drill program at the Dutch Mountain tungsten project in Utah. The program aims to test the Fraction Lode trend and a concealed eastern strike, supported by high-grade surface rock chips of up to 1.48% WO3.

Reasoning: Commencement of maiden drilling at a tungsten project with high-grade surface indicators and strong strategic tailwinds.

Positive factors

  • Maiden drilling program commenced
  • High-grade surface rock chips reported
  • Strategic critical mineral context in US
  • Soil geochemistry supports targets

Negative factors

  • Drilling results pending

Facts used in scoring: 2

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The program includes five holes to step east along a 600m contact that has not been previously drilled.

Evidence · text

“Another five holes will step east along about 600m of the same limestone-monzonite contact”

Nearology Playneutral

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

Why it applies: The project is positioned to leverage US strategic tungsten demand and proximity to historical workings.

Evidence · text

“test whether high-grade surface tungsten continues beneath historical workings”

Extracted facts

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

Drill Results (2)

Fact 1Dutch Mountain · tungstenGrade: 1.48Grade Unit: % WO3View all details
Link to this fact

Identity

Project
Dutch Mountain
Commodity
tungsten
Region
usa_ut
Reported Region
Utah
Ticker
AT4

Geometry

Grade
1.48
Grade Unit
% WO3

Classification

Sample Type
surface

Location

Location
Stardust trend
Loc. Source
document

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-07T00:00:00.000Z

Reasoning: High-grade surface rock chip result on the Stardust trend.

Positive factors

  • High-grade surface intercept

Evidence · text

“Selective rock chips reached 11,764ppm W, equivalent to 1.48% WO3”

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 2Dutch Mountain · tungstenGrade: 504Grade Unit: ppm WView all details
Link to this fact

Identity

Project
Dutch Mountain
Commodity
tungsten
Region
usa_ut
Reported Region
Utah
Ticker
AT4

Geometry

Grade
504
Grade Unit
ppm W

Classification

Sample Type
surface

Location

Location
eastern drill pads
Loc. Source
document

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-07T00:00:00.000Z

Reasoning: Soil geochemistry anomaly supporting the eastern step-out targets.

Positive factors

  • Soil anomaly supports drilling targets

Evidence · text

“peak result of 504ppm W near the eastern drill pads”

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.