Snowball Earth: glaciazione globale

Snowball Earth climate dynamics and Cryogenian geology-geobiology

Quaternary glaciation - Wikipedia

Snowball Earth – Historical Geology

SNOWBALL EARTH

Study explains how primordial life survived on 'Snowball Earth

Snowball Earth – Historical Geology

Mid-latitudinal habitable environment for marine eukaryotes during the waning stage of the Marinoan snowball glaciation

Snowball Earth - Wikipedia

SNOWBALL EARTH

Ancient Climate Events: Snowball Earth

SNOWBALL EARTH

Snowball Earth - Wikipedia

Snowball Earth – Historical Geology

Oceans of Ice: The Snowball Earth Theory of Global Glaciation – Dartmouth Undergraduate Journal of Science

La tettonica delle placche e la Terra palla di neve