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Highlights
- Maiden soil geochemistry has defined a 1.1-kilometre antimony-gold corridor at the Milton Project in Nevada.
- Dollar Project identified two mineralised systems and a newly recognised copper exploration target.
- Underground sampling at Los Lirios returns antimony grades of up to 25.20% Sb across historic mine workings.
- Metallurgical testing achieved 81.1% antimony recovery through a flotation-led processing route.
- Exploration, resource definition and processing studies continue advancing EV Resources' antimony strategy across the US and Mexico.
Exploration momentum continues to build for EV Resources (ASX:EVR) as the company advances its antimony strategy across both the United States and Mexico. While systematic exploration in Nevada is defining multiple drill-ready targets, work in Mexico is confirming high-grade mineralisation and refining a practical processing pathway. Together, these developments support EV Resources' strategy to expand its antimony portfolio through exploration, resource definition and project advancement.
Nevada Exploration Defines Multiple High-Priority Targets
EV Resources' latest exploration campaign in Nevada has delivered its first systematic targets across the Milton and Dollar projects in Nye County through a maiden high-density, multi-element soil geochemistry program. The results identified coherent, structurally controlled mineral corridors and improved the company's understanding of the geology beneath historic mine workings.
At the Milton Project, soil sampling outlined a continuous 1.1-kilometre anomalous corridor defined by a gold-arsenic-antimony-mercury-thallium geochemical signature. The anomaly closely follows mapped north-south jasperoid replacement zones, confirming a large structure-controlled antimony-gold system. Field mapping also identified extensive hydrothermal alteration, with tight 25-metre soil sampling successfully capturing the geochemical footprint of antimony.
The neighbouring Dollar Project revealed two distinct mineralised systems centred around historic mining areas. The northern Dollar Mine node hosts a gold-arsenic-antimony system, with soil values reaching 0.415 parts per million gold and 2,080 parts per million antimony. In the south, the Resurrection area hosts a separate silver-lead-zinc system, returning values of up to 17.05 parts per million silver, 872 parts per million lead and 2,680 parts per million zinc.
EV Resources interprets the distribution as a hydrothermal telescoping system, where higher-temperature gold-antimony mineralisation transitions into polymetallic mineralisation over roughly 300 metres of strike. Exploration also identified a previously unrecognised copper-oxide breccia structure in the southeastern Dollar tenement, creating another priority exploration target.
Next Phase Targets Drilling
With multiple structural corridors now defined, EV Resources plans to undertake detailed rock-chip and channel sampling across the Milton jasperoid ridges and Dollar copper breccias. The company is also assessing induced polarisation and resistivity surveys before integrating historical data, soil geochemistry and geophysical results into maiden drill programs at both projects.
Los Lirios Confirms High-Grade Antimony
In Mexico, EV Resources continues advancing the Los Lirios Antimony Project, where underground channel sampling across four historic mine workings confirmed continuous high-grade antimony mineralisation within a carbonate replacement deposit.
Sampling returned several high-grade results, including 1.3 metres at 19.70% antimony, 1.3 metres at 17.20% antimony, 1 metre at 13.85% antimony and 0.9 metres grading 25.20% antimony at the San Jose Carbonate Replacement Deposit.
The work confirmed that mineralisation is consistently hosted within a silicified limestone replacement unit beneath a gypsum cap, while mapping established that the highest-grade zones occur near feeder structures. Systematic underground channel sampling also provides representative grade profiles in shallow fractured ground, supporting the geological model and contributing to the maiden JORC Mineral Resource estimate targeted for the fourth quarter of calendar year 2026.
Metallurgical Results Support Processing Strategy
EV Resources has also progressed metallurgical studies for its Tecomatlán Processing Plant in Mexico. Independent testing demonstrated that a flotation-led processing route can recover 81.1% of contained antimony from ore sourced from the Chinantla Project, compared with 29.25% recovery using gravity concentration alone.
The flotation process produced concentrate grading up to 62.9% antimony, exceeding typical smelter specifications. As much of the flotation infrastructure is already installed at the Tecomatlán Plant, the preferred processing route is expected to require comparatively low additional capital expenditure. Environmental permitting is also progressing alongside refurbishment planning.
Exploration Pipeline Continues to Expand
With exploration targets expanding in Nevada, high-grade mineralisation confirmed at Los Lirios and metallurgical studies supporting an efficient processing route at Tecomatlán, EV Resources continues advancing multiple parts of its antimony strategy. Planned exploration, geophysical surveys, drilling and resource work are expected to further refine the company's projects as it progresses toward future resource definition and development.
Shares of EVR last traded at AUD 0.0060 on 07 July 2026.
