A new study reveals surprising clues about the beginnings of subduction on Earth. The Hadean Eon, which lasted from 4.6 to ...
A ridiculous but instructive thought experiment involving deep time, plate tectonics, erosion and the slow death of the sun ...
Had one hoped to leave a time capsule for today’s Bostonians in the Permian period 250 million years ago, much less the Pliocene epoch four million years ago , they would have been completely, utterly ...