#snowball-earth

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#neoproterozoic-glaciation #garvellachs #evolution-of-animals #paleoclimatology #paleoclimate #ocean-salinity
Philosophy
fromAeon
2 days ago

How the harsh, icy world of Snowball Earth shaped life today | Aeon Essays

Earth experienced equatorial-reaching Snowball Earth glaciations between 717–635 million years ago, life survived, and extreme cold may have driven increased biological complexity leading to animals.
Science
fromNature
1 month ago

Ancient 'snowball' Earth had frigidly briny seas

Snowball Earth oceans were extremely cold (around −15 °C) and so highly saline that seawater remained liquid at subfreezing temperatures.
Science
fromwww.theguardian.com
6 months ago

About 700m years ago, the Earth froze over entirely now we may know why

Massive volcanic eruptions combined with a cold climate contributed to Earth's Snowball Earth state 700 million years ago.
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