North America Is Dripping Into Earth's Mantle And An Ancient Victim Is Probably To Blame - IFLScience

Far be it from us to suggest there’s a parallel between the continental plate’s behavior and what is happening on top, but what once seemed solid and permanent is wearing thin.Cratonic thinning, a phenomenon geologists think happened hundreds of millions of years ago, appears to be taking place far beneath researchers feet.Earths continents have regions of very old and sta…