Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

The researchers suggest that the buried supercontinent regions must also be made of much larger mineral ... These larger grains and subsequent older structures also imply that they are not involved in ...

One supercontinent lies under ... in a statement. The model in the new study — the first 3D attenuation model for the entire mantle — will help seismologists to better understand what lies ...