Eons

Season 4, Episode 12

Episode Title: When a Billion Years Disappeared

Air Date: 2020-04-15

Overview:

In some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the diversification of life itself.