"Snowball Earth" Ice Age Evidence

This is a Colorado news story, published by Mashable, that relates primarily to Tava news.

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Snowball Earth

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extreme ice age

Mashable

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Scientists find evidence that entirety of Earth was once covered in ice

Summary

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82% Informative

A severe ice age dominated Earth , some 720 to 635 million years ago , well before dinosaurs stalked the land.

But it's uncertain if the entire world froze over during the glaciations of this long-lived, extreme episode, dubbed " Snowball Earth " Now, new evidence from Colorado , an area that once was located in the tropics, suggests mighty glaciers sprawled over even Earth 's warmest regions.

The telltale rocks are called Tava sandstone, which are exposed in the Rocky Mountains .

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formal

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English

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not offensive

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