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Snowball Earth, Colorado and sedimentary rock
'Missing link' found in ancient rocks of Colorado show that Snowball Earth really happened
Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of years ago.
Ancient rocks suggest that Earth was once a 'snowball'
Ever since the term “Snowball Earth” was first proposed in a 1992 paper, it has prompted substantial debate among scientists.
Evidence from 'Snowball Earth' found in ancient rocks on Colorado’s Pikes Peak
The Snowball Earth hypothesis has been largely based on evidence from sedimentary rocks exposed in areas that once were along coastlines and shallow seas, as well as climate modeling. Physical evidence that ice sheets covered the interior of continents in warm equatorial regions had eluded scientists – until now.
Missing link to Snowball Earth history emerges from some unusual rocks on Colorado's Pikes Peak
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.
Space on MSN
19h
'Snowball Earth:' Entire planet was likely covered in ice more than 600 million years ago
New evidence found in the Rocky Mountains of Colorado supports the notion that Snowball Earth was indeed a global phenomenon.
1d
What did the snowball Earth look like?
We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different ...
2d
on MSN
Was 'Snowball Earth' a global event? New study delivers best proof yet
Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...
1d
on MSN
Researchers find strong evidence for “Snowball Earth” theory
Study “presents the first physical evidence that Snowball Earth reached the heart of continents at the equator” says lead ...
10h
‘Totally Frozen’: Earth was a giant snowball over 600 million years ago
Researchers have uncovered physical evidence indicating that Earth was entirely frozen during the “Snowball Earth” period, ...
2d
Strong Evidence That 'Snowball Earth' Was a Global Event
Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...
earth
7d
"Slushy" Earth: The slightly warmer cousin of the infamous Snowball Earth
Earth was a frozen wasteland. Then, rising CO2 caused a catastrophic thaw, turning Earth into a "slushy" planet.
IFLScience on MSN
7d
After Snowball Earth Came Short-lived Slushball Earth, Lithium Isotopes Prove
Although the consequences of a quarter of the planet’s water melting could be determined theoretically, this is the first ...
2d
Paul Hoffman wins prestigious Kyoto Prize for scientific contribution to snowball Earth hypothesis
The University of Victoria professor helped rewrite a crucial part of our planet’s history by identifying compelling evidence ...
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