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Missing link to Snowball Earth history emerges from some unusual rocks on Colorado’s Pikes Peak

  • 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: Missing link to Snowball Earth history emerges from some unusual rocks on Colorado’s Pikes Peak

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