Atlantico Energy Metals is highlighting documented field observations from its Novo Cruzeiro lithium and rare earth elements project in Minas Gerais, Brazil, including multiple inactive hand-dug artisanal mine tunnels, exposed rock, weathered profiles, light-coloured pegmatitic material and UV-light response.
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The company has highlighted first-pass assay results showing rare earth oxide enrichment, elevated magnetic rare earth oxide content and lithium pathfinder indicators from selected stream-sediment and rock-sampling information disclosed in its NI 43-101 technical report.
It is now adding field-level context through exposed tunnels, documented pegmatite material, weathered profiles and UV-light response, helping explain where its technical team is focusing the next stage of work.
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The field team has identified multiple inactive hand-dug artisanal mine tunnels, commonly referred to as garimpo galleries, including one within its tenement that is reported to extend approximately 40 m into the hillside.
Field reports from these inactive workings document pegmatite material in exposed tunnel areas, providing the technical team with direct access for geological mapping and sampling.
Bonn Smith, president and CEO of Atlantico, said: “The clean energy transition depends on the world finding and developing new sources of critical minerals.