Among the enigmatic mantle lumps are two enormous "supercontinents" buried thousands of kilometres below the crust amid the remains of ancient tectonic plates. One supercontinent lies under Africa, ...
In the arid deserts of Ethiopia, a geological marvel has been quietly unfolding since 2005—a 35-mile-long fissure known as the East African Rift. Far from being a mere curiosity, this rift holds the ...
This raises the possibility of a hidden supercontinent in plain sight ... This suggests they form a larger structure connecting continents. Dr Phethean calls this a “Rifted Oceanic Magmatic ...
The authors found that the earliest dinosaurs likely emerged in a hot equatorial region in what was then the supercontinent Gondwana, an area of land that encompasses the Amazon, Congo basin, and ...
Recent hypotheses advocate either global continental exhumation averaging 3 to 5 km during Cryogenian (717 to 635 Ma) snowball Earth glaciations or, alternatively, diachronous episodic exhumation ...