A digger working at EV Resources' Los Lirios project in Mexico.
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EV Resources (ASX:EVR) is in talks with suppliers as it looks to build a 100-tonne-a-day pilot plant on the back of promising results from initial mineralogical studies at its 70%-owned Los Lirios antimony project in Mexico.

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Results included composite metallurgical samples returned at 4.45% antimony (with “exceptionally low impurities”) and sampling from Pit One at 9.9% Sb.

Mineralogy is made up of stibiconite (69.5%) and stibnite (30.5%), with both fully liberated and “highly suitable” for processing works EVR will soon run.

Further positives for EVR came from a mineralised material characterisation test run through the same period: The sample matrix is mostly made up of quartz, with lesser amounts of calcite, antimony minerals, and minor iron oxides.

Gravity processing was identified as a low-cost, scalable recovery method at the same time.

These July returns were promising enough that EV Resources is now looking to fast-track production at its Mexico site, starting with the pilot plant. Metallurgical test work and flowsheet design are also on the agenda.

This all falls under EVR’s wider umbrella, the company said, which is to restart production at two historic open pits at Los Lirios “while progressing exploration.”

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In today’s release, EVR declared: “With consistent high grades, clean metallurgy, and simple low-cost processing pathways, Los Lirios is well-positioned to become a meaningful contributor to the global minerals supply chain.”

Oz traders seem to agree; EVR has been up +6.3% today, to 0.9cps.

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