Director / Editor: Victor Teboul, Ph.D.
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations,® aims to promote awareness of the major democratic principles on which tolerance is based.

Earth’s early evolution: fresh insights from rocks formed 3.5 billion years ago

By Jaganmoy Jodder, Post-doctoral researcher, University of the Witwatersrand
Our Earth is around 4.5 billion years old. Way back in its earliest years, vast oceans dominated. There were frequent volcanic eruptions and, because there was no free oxygen in the atmosphere, there was no ozone layer. It was a dynamic and evolving planet.

Scientists know all of this – but, of course, there are still gaps in our knowledge. For instance, while we know what kind of rocks…The Conversation

Read complete article

© The Conversation -
Subscribe to

Follow us on ...
Facebook Twitter