Yes, there is lithium in the geothermal waters in Cornwall. Yes, it can be extracted. Profitably? Well, that’s to be found out.
And then a little alarm bell:
“We would not be spending money if we didn’t think it was a very large opportunity,” says Wrathall. He says they have also found cesium, used in 5G networks, although the potential to exploit it remains unclear.
Well, yes, there’s cesium in there. The rock that lithium is being dissolved out of will contain it. However, thinking that you’re going to extract cesium is one of those well, hmm, do these people actually know what they’re talking about moments? And for 5G? Well, yes, atomic clocks, but the volume required is tiny.
The time to start heading for the hills is when they mutter about the closely allied rubidium. Yes, it’s $12 a gramme. Lovely stuff too. But with a global market of a couple of tonnes a year not something upon which mining companies are built…..