- Savannah Resources announced a maiden mineral resource estimate of 3.2m tonnes for the Reservatorio deposit, one of three targets currently being advanced at the Mina do Barroso lithium project in Portugal.

Further upside remained because the drill programme is ongoing, with the aim of further expanding the resource, the company said.

"That we have an estimated 3.2m tonne resource from just one of at least eight pegmatite deposits at our Mina do Barroso lithium project gives an indication of the potential scale of this project," chief executive David Archer said.

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