When the supercontinent Pangea began to fragment around 200 million years ago during the Early Jurassic, it reshaped the face of the planet. Vast new oceans opened, continents drifted apart and the ...
Tyrone Rooney studies continental rifting using rock chemistry. Photo by Finn Gomez. Millions of years ago, nearly all of Earth’s continents were fused together in one giant land mass called Pangea.