Study of isotopes shows recycling of Earth`s crust began 3 billion years ago

(PhysOrg.com) -- New research by a team of British Earth scientists shows that while the Earth’s crust was made up of new material for much of its early life, it later began to recycle material three billion years ago, leading to the development of the continents we know today. The research team came to this conclusion, as they report in their paper published in Science, after studying oxygen isotopes in zircon samples taken from several different points across the globe.

Read the whole article on Physorg

More from Physorg