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Milton Project Yields Up to 9.82% Sb and 24% Cu in Historic Workings

Mining By Maxwell Dee 3 min read

EV Resources has reported impressive high-grade assays from its Milton Antimony Project in Nevada, revealing significant antimony, copper, and silver mineralisation and setting the stage for detailed follow-up exploration.

  • Up to 9.82% antimony and 24.00% copper from historic workings
  • Polymetallic vein system confirmed with no prior modern exploration
  • Milton Project located 35km from Dollar Project, enabling operational synergies
  • Close proximity to US Army Critical Metals Depot at Hawthorne
  • Detailed soil geochemical survey planned for March/April 2026

High-Grade Assays Revive Interest in Milton

EV Resources (ASX, EVR) has announced compelling reconnaissance sampling results from its 100%-owned Milton Antimony Project in Nevada, USA. The initial rock chip assays have returned standout grades, including up to 9.82% antimony (Sb), 24.00% copper (Cu), and 434ppm silver (Ag), drawn from historic mining dumps and workings. These results confirm the presence of a polymetallic vein system that has not been subjected to modern exploration techniques.

The Milton Project, situated in Nye County, lies just 35 kilometres from EV Resources’ Dollar Project, which recently reported similarly encouraging critical metal results. This geographic proximity offers potential operational efficiencies and strategic advantages as EVR advances its US critical metals portfolio.

Strategic Location and Historical Context

Milton’s location is notable for its excellent access via sealed and gravel roads, and its proximity; approximately 80 kilometres; to the US Army’s Critical Metals Depot at Hawthorne. This positions the project well within a favourable mining jurisdiction and aligns with broader US initiatives to secure domestic critical mineral supply chains.

The area hosts at least three generations of historic mining activity dating back to the 19th century and World War II, yet no systematic modern exploration has been recorded. The recent sampling focused on dumps adjacent to old shafts and adits, with standout samples including a quartz-stibnite cobble yielding 9.82% antimony and a channel sample from the Tramway adit fault zone returning 24.00% copper alongside 1.53% antimony and 434ppm silver.

Next Steps, Soil Sampling and Mapping

EV Resources is preparing to launch a detailed soil geochemical survey and geological mapping program at Milton and Dollar in March or April 2026. This systematic approach aims to delineate drill targets and better understand the scale and continuity of the mineralised systems. The company’s Managing Director and CEO, Mike Brown, emphasised the promising nature of the initial findings and the strategic importance of the project within the US critical minerals landscape.

While gold assay results from related projects remain under verification due to quality control investigations, the current data strongly supports the potential for economically significant critical metal deposits. No drilling has yet been undertaken at Milton, so resource estimation remains premature, but the groundwork is now in place for more comprehensive exploration.

Broader Implications for US Critical Metals Supply

EV Resources’ focus on antimony; a mineral designated critical by the US, EU, and Australia for its role in energy storage, defence, and high-tech applications; positions the company at the forefront of efforts to reduce reliance on foreign supply. The Milton and Dollar projects, alongside the flagship Los Lirios project in Mexico, form a strategically important portfolio aimed at securing North American critical metal supply chains.

With the US government increasingly incentivising domestic critical minerals development, EV Resources’ progress at Milton could attract further attention from investors and policymakers alike. The upcoming soil sampling and mapping campaign will be a key catalyst to watch as the company seeks to translate these early high-grade results into a defined resource and, eventually, production.

Bottom Line?

Milton’s high-grade assays mark a promising start, but the real test lies ahead as EV Resources moves from sampling to systematic exploration.

Questions in the middle?

  • Will follow-up soil sampling confirm the extent of the polymetallic vein system at Milton?
  • How will pending gold assay verifications impact the overall project economics?
  • What timeline does EV Resources envisage for drilling and resource definition at Milton?