Switch Metals advances Issia tantalum work toward Q1 2026 maiden resource

The latest update is out from Oneiro Energy PLC ( (GB:SWT) ).

Switch Metals has reported solid progress at its Issia tantalum project in Côte d’Ivoire, where pilot-scale processing of bulk eluvial material is now around 40% complete for the first sample set supporting a maiden mineral resource estimate targeted for the first quarter of 2026. Geological and resource modelling is advancing in parallel with processing, with initial X-ray fluorescence screening results due in the coming weeks, followed by independent laboratory assays on priority zones, as the company builds a robust dataset to define the scale and distribution of mineralisation across a district-scale 1,015 km² licence area. Management argues that Issia could evolve into an industrial-scale, ethically sourced tantalum district in a stable African jurisdiction at a time when global supply is heavily concentrated in the Democratic Republic of Congo and Rwanda and prices remain strong above US$250,000 per tonne, potentially strengthening Switch Metals’ strategic positioning in critical minerals supply chains serving electronics, defence and advanced technology sectors.

More about Oneiro Energy PLC

Switch Metals plc is a London AIM-listed mining company focused on critical technology and battery minerals in Côte d’Ivoire, where it is the largest landholder for tantalum, lithium and other critical metal prospects in the country and potentially West Africa. Its core assets are the Issia tantalum-niobium project, the Bouaké tantalum-niobium-rare earths project and the Tiassalé lithium project, with Issia currently prioritised for its potential to generate early cash flow from ethical production of shallow coltan placer deposits that can be scaled up alongside hard-rock pegmatite development.

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