NGDIR News Section-- A group of geophysicists is testing the hypothesis that the rate of "supercontinent assembly"-or tectonic plate movement-changes over time.
Study co-author Professor Sergei Pisarevskiy says plate tectonics is the study of the horizontal movement of tectonic plates over the Earth's surface.
"This is not uniform movement," he says.
"Sometimes there are periods where there was very quick movement all together globally, and sometimes very slow movements.
"We try to analyse that and to populate the mean angular veloc.............. [More