Tectonomagmatic formation of Earth’s first continents, the Slaufrudalur Pluton, SE Iceland
Dr A R Hastie, Dr C T Stevenson
21 January 2019
Earth is the only planet in our solar system that has distinctive oceanic and continental crust. Importantly, the growth of Earth’s first stable and preserved continental crust about 4 billion years ago modified the early mantle, hydrosphere and atmosphere and enabled terrestrial life to evolve.