Kalkine: EV Resources Secures 70% of Los Lirios Antimony Mine in Strategic ASX200 Move

June 12, 2025 12:00 PM AEST | By Team Kalkine Media

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Kalkine: EV Resources Secures 70% of Los Lirios Antimony Mine in Strategic ASX200 Move — Image source: shutterstock

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Highlights

EV Resources completes 70% stake in Los Lirios antimony mine

Strategic expansion aligns with critical minerals and ASX200 sector focus

Plans underway for pilot processing plant using gravity recovery methods

EV Resources (ASX:EVR) has officially completed the acquisition of a 70% interest in the operational joint venture at the Los Lirios antimony mine in Mexico, marking a significant milestone in its strategic expansion across the critical minerals space.

This acquisition follows the company's thorough due diligence process, including the formation of its wholly owned Mexican subsidiary, Stibcorp. A binding promissory agreement for the assignment of mining rights with existing titleholders has also been executed, finalising the transition.

Targeted Global Expansion with Antimony Focus

The acquisition of Los Lirios builds upon extensive geological, metallurgical, and market research conducted by EV Resources. Their analysis revealed limited global opportunities for scalable, cost-effective antimony projects—particularly those capable of delivering near-term supply. Mexico, with its favourable geology and infrastructure for small-scale mining, stood out as a viable jurisdiction.

Located in north-west Oaxaca State, the Los Lirios project includes four mining licences spanning 1,652 hectares. The area has previously demonstrated direct shipping ore potential, with standout assay results from stockpile samples reaching antimony concentrations of 29.17%, 20.44%, and 18.08%.

Next Steps: Processing & Recovery Plans

EV Resources recently undertook ore characterisation and mineralogical testing on 30-kilogram samples from the site. Results from these analyses are expected soon and will inform recovery test work, with a focus on gravity-based processing methods—a proven technique for antimony material in Mexico.

In line with this development, the company is in discussions with permitted site owners to establish a pilot processing plant. This move underscores EV Resources’ forward-looking strategy to secure early-stage access to critical minerals supply chains—aligning with priorities seen in sectors represented within the ASX200.

Portfolio Realignment in Full Swing

Alongside its entry into antimony, EV Resources has restructured its asset portfolio. Earlier this month, it reached an agreement to divest its Yanamina gold project in Peru to Daura Gold Corp for $9.2 million. The asset, acquired in 2019 for approximately $153,000, offered a strong return and frees up resources for the company’s evolving focus on critical minerals.

The Los Lirios acquisition represents more than a geographic expansion—it exemplifies EV Resources’ commitment to growth within the ASX200-aligned framework of innovation, resource diversification, and critical mineral supply. With this step, the company strengthens its footprint in the Americas and positions itself to play a key role in the global antimony supply chain.

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