Apr 24, 2022
A New Billion-Year History of Earth’s Interior Reveals Colossal ‘Blobs’ Merging and Breaking Apart Like Continents
Posted by Shubham Ghosh Roy in category: futurism
The blobs are in the mantle, the thick layer of hot rock between Earth’s crust and its core. The mantle is solid but slowly flows over long timescales. We know the blobs are there because they slow down waves caused by earthquakes, which suggests the blobs are hotter than their surroundings.
Scientists generally agree the blobs are linked to the movement of tectonic plates at Earth’s surface. However, how the blobs have changed over the course of Earth’s history has puzzled them.