Rock radioactivity may tell the tale of long-lost continents on early Earth's crust

Earth has had a tumultuous past, so it's hard to get a clear idea of those wild early days. But a new study by researchers from the University of Adelaide raises the possibility that continents may have risen out of the sea much earlier than is currently believed, before being destroyed once again by tectonic activity.

.. Continue Reading Rock radioactivity may tell the tale of long-lost continents on early Earth's crust

Category: Science

Tags:

• Continental
• Earth
• Geology
• Radioactivity
• University of Adelaide

from New Atlas (Gizmag) https://ift.tt/2YufXSe