“The heart of an ancient volcano in Norway hosts Europe’s largest deposit of rare earth elements, according to the mining company Rare Earths Norway. 

On June 6, the company released a report on the deposit, which found that there is an estimated 8.8 megatons of rare earth oxides available in the outcrop. About 1.5 megatons of that is expected to be rare earth magnets, which are used in wind turbines and electric vehicles.”

From Live Science.