Crust

What is the name for the process of recycling materials that make up the earths crust and mantle?
Crustal recycling is a tectonic process by which surface material from the lithosphere is recycled into the mantle by subduction erosion or delaminati...
What is the portion of earths crust?
The Earth's crust is its lightest, most buoyant rock layer. Continental crust covers 41percent of the Earth's surface, though a quarter of that area i...