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Antimony Resources’ Bald Hill: resource drill campaign insights for mine planners

March 18, 2026|

Reviewed by Joe Ashwell

Antimony Resources’ Bald Hill: resource drill campaign insights for mine planners

First reported on MINING.com

30 Second Briefing

Antimony Resources’ share price jumped over 10% to a record C$1.59 as it advances the Bald Hill antimony deposit in New Brunswick towards a first mineral resource, underpinned by a 10,000-metre resource definition drill programme and a 3D mineralisation model. SRK Consultants’ Toronto office has been engaged for the estimate, drawing on its recent work at the Beaverbrook antimony deposit, while final assays from the remaining drilling are expected within 3–4 weeks. Bald Hill currently shows stibnite mineralisation over 700 m strike, to 400 m depth, averaging >3 m true width at 3–4% Sb.

Technical Brief

  • JPL Geoservices’ 2025 technical report outlined potential quantities of nearly 28 Mt grading 3–4% Sb.
  • Assay turnaround for mineralised samples is currently projected at roughly 3–4 weeks post-drilling.
  • Bald Hill property covers ~20 km², with at least three additional stibnite occurrences beyond the main deposit.
  • Field crews have delineated new antimony-bearing stibnite zones to be prioritised in the 2026 exploration programme.
  • A 3D mineralisation model is being built to refine both the maiden resource and follow-up drill targeting.

Our Take

Antimony appears in only a small subset of the 125 keyword-matched pieces in our database, so Bald Hill’s 3–4% grade range and 28 Mt potential tonnage signal a relatively rare, potentially strategic-scale Western supply option versus dominant Chinese production.

With SRK Consultants now involved at Bald Hill and American Rare Earths advancing the Halleck Creek rare earth project in Wyoming, this article sits within a cluster of critical-mineral stories where North American projects are moving from discovery-era work (circa 2008) into formal resource definition ahead of expected policy and offtake interest.

The combination of a compact 20 sq.-km project area and multiple stibnite occurrences suggests that, if the initial resource is positive, Antimony Resources could justify focused infill and step-out drilling rather than costly regional-scale campaigns, which is notable among the 1982 Projects-tagged pieces that often feature more dispersed targets.

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Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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