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Scientists found upwellings of material beneath the Earth’s surface from depths far lower than previously known. Thirty-nine seismometers were deployed on the ocean floor across the Mid-Atlantic Ridge as part of the PI-LAB experiment. (The University of Southampton) (CN) — Material welling up from the Earth’s mantle could be slowly moving North and South America away from Europe and Africa, according to a study published Wednesday. Between those four continents, and the tectonic plates they are attached to, is the Mid-Atlantic Ridge, where new plates are formed. In the study published...

Credit: University of Southampton An upsurge of matter from deep beneath the Earth's crust could be pushing the continents of North and South America further apart from Europe and Africa, new research has found. The plates attached to the Americas are moving apart from those attached to Europe and Africa by four centimetres per year. In between these continents lies the Mid-Atlantic Ridge, a site where new plates are formed and a dividing line between plates moving to the west and those moving to the east; beneath this ridge, material rises to replace the space left by the plates as they mov...