- Salt Lake Potash said a scoping study indicated a new sulphate-of-potash demonstration plant in Western Australia state would cost around A$49m (£28m) to develop.

Average cash operating costs at the 50,000 tonnes per annum plant would amount to around A$387 per tonne, the study found.

South Lake Potash said it planned to construct an initial pound system by the end of 2018 in parallel with completing a feasibility study.

Initial potash production was targeted for early 2020.

At 2:03pm: (LON:SO4) Salt Lake Potash Limited share price was -0.5p at 27.5p

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