This cycle is called seafloor spreading, ... Evidence for a Global Slowdown in Seafloor Spreading Since 15 Ma. Geophysical Research Letters, 2022; 49 (6) DOI: 10.1029/2022GL097937; ...

A new global analysis of the last 19 million years of seafloor spreading rates found they have been slowing down. Geologists want to know why the seafloor is getting sluggish.

Previously unseen features in the map include newly exposed continental connections across South America and Africa, and new evidence for seafloor spreading ridges at the Gulf of Mexico that were ...

Identification of the oldest preserved pieces of Earth's crust in southern Greenland has provided evidence of active plate tectonics as early as 3.8 billion years ago, according to a report by an ...

The map has also revealed for the first time newly exposed continental connections across South America and Africa, and new evidence for seafloor spreading ridges at the Gulf of Mexico that were ...