Remote isles may solve mystery of 'Snowball Earth'
The islands could reveal why animal life first emerged on our planet after its biggest ever freeze.
BBC News
The Snowball Earth is a geohistorical hypothesis that proposes during one or more of Earth's icehouse climates, the planet's surface became nearly entirely frozen with no liquid oceanic or surface water exposed to the atmosphere. The most academically mentioned period of such a global ice age is believed to have occurred some time before 650 mya during the Cryogenian period, which included at least two large glacial periods, the Sturtian and Marinoan glaciations.
The islands could reveal why animal life first emerged on our planet after its biggest ever freeze.