Snowball Earth begins

Below is the details of 'Snowball Earth begins'.


Snowball Earth begins 2400 mya

A period of extensive glaciation affected the Earth,potentially covering the entire globe with a several km thick ice sheet - the first Snowball Earth period. Multiple events occurred each one lasting ~10 million years and likely terminated by a build of volcanic CO2.
Source: (Wikipedia)

Keywords: evolving_earth, climate, geology