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American Tungsten intersects massive stibnite in Antimony Canyon drilling

Written by Liezl GambePublished Jan. 14 2026Last Updated Jan. 14 2026

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American Tungsten & Antimony (ASX:AT4) has reported results from the first two holes of its maiden drilling campaign at the Antimony Canyon Project.

The initial drilling, focused on the Emma Claim within the company's 100% owned Patented Claims, has intersected substantial zones of mineralisation, including visible massive to semi-massive stibnite.

Hole ACP26DD001 returned a main mineralised zone approximately 19m thick within a broader 42m zone of alteration and disseminated stibnite, while ACP26DD002 intersected even higher-intensity mineralisation, including minor zones of realgar and orpiment, key indicators of high-grade antimony systems.

Geological logging shows alteration intensifies to the east, supporting the Company’s model that drilling is approaching a major feeder structure.

Drilling of Hole ACP26DD003 is underway at a -45° angle to target the feeder at ~500ft depth, with early core inspection revealing strong orpiment, realgar, and thick sulphide zones.

Core samples from all holes have been dispatched for expedited laboratory assays.

Managing Director Andre Booyzen said the results confirm the strength of the Emma Claim system and the effectiveness of the company's systematic exploration strategy, with visual evidence pointing to a robust hydrothermal system and clear geological vectoring toward the feeder zone.

At the time of reporting, American Tungsten & Antimony's share price was $0.16.