Deposits of rare earth metals, the crucial ingredients in electric vehicles and wind turbines, could be present in ancient volcanoes across the world

As the world scrambles for materials needed for the green transition, scientists believe that ancient volcanoes could be the key.

Earth’s extinct volcanoes might be an untapped source of highly in-demand rare earth elements. A set of lab-based experiments revealed that some of these 17 elements could be lurking in the mysterious iron-rich magma entombed within these formerly explosive landforms.