Map: rare earth ores in the USA

The US has 13 million tonnes of rare earth elements but it would take years to extract them, suggests the first detailed report on the country's supply.

Source: USGS
Via: NewScientist

Full PDF report here

A new report finds significant deposits of rare earth elements in 14 states, with the largest known deposits at Mountain Pass, California; Bokan Mountain, Alaska; and the Bear Lodge Mountains, Wyoming. "Placer" deposits are sandy sediments that sometimes contain rare earths. Phosphorite deposits, which mostly occur in the southeastern US, sometimes contain the rare earth elements yttrium and lanthanum (Image: USGS)