Lithium is a key component in batteries for electric cars, laptops and smartphones. Its presence in the geothermal waters running through Cornwall’s granite rocks has been known since the 18th century, when the hit BBC TV series Poldark is set, but there was no market for it at the time. The metal was mined on a small scale during the Second World War, a fact brought to Wrathall’s attention a couple of years ago by a retired member of the British Geological Survey. He reckoned it was used in submarine air conditioners.
Times 13th Dec 2020 read more »