Movimentos tectónicos

https://www.gizmodo.com.au/2017/10/earths-underworld-is-real-and-scientists-just-mapped-it/

Citando:
"You may think that plates that sink deep into the mantle just melt -- but in fact, they stick around for a long time and can sink as deep as 3000km, explained van Hinsbergen. The catalogue is "the first and extensive global framework for interpretation of present-day global mantle structure and its physical properties and how that relates to our planet's dynamic evolution of the past 300 [million years]," according to the paper."