Washington has sunk $25 million into battery metals company TechMet, which is developing a nickel and cobalt mine in Brazil.

By leveraging the data obtained from satellite and airborne imagery, geologists can accelerate their hypothesis formulation and exploration strategies to find new deposits.

According to the company, Pebble's endowment would expand the US rhenium resource base by as much as 84%.

Six of the 10 largest mining property purchases since 2015 were copper, a phosphate deal came in at no. 3 and a giant lithium transaction also ranks.