Volcanoes, diamonds, and blobs: a billion-year history of Earth's interior shows it's more mobile than we thought - The Conversation

Ancient blobs deep inside the Earth gather together and break apart like continents, according to new research.

Deep in the Earth beneath us lie two blobs the size of continents. One is under Africa, the other under the Pacific Ocean. The blobs have their roots 2,900km below the surface, almost halfway to th… [+4879 chars]

full article...