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Evidence from Snowball Earth found in ancient rocks on Colorado’s Pikes Peak – it’s a missing link

  • Written by Liam Courtney-Davies, Postdoctoral Research Associate in Geological Sciences, University of Colorado Boulder
imageRocks can hold clues to history dating back hundreds of millions of years.Christine S. Siddoway

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet like a giant snowball. This global deep freeze, known as Snowball Earth, endured for tens of millions of years.

Yet, miraculously,...

Read more: Evidence from Snowball Earth found in ancient rocks on Colorado’s Pikes Peak – it’s a missing link

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