Tectonic Plates Have a Memory – And It’s Changing What We Know About Earth

Recent discoveries offer deeper insight into the movement of tectonic plates. New research has found that variations in rock composition within oceanic plates, caused by ancient tectonic processes, can significantly affect the path and speed of these plates as they sink into Earth’s mantle. At depths between 410 and 660 kilometers lies the mantle transition [...]

from SciTechDaily https://ift.tt/Ue5ZDv3