PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ↓ More info below ↓ 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.  Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Super special thanks to the following Patreon patrons for helping make Eons possible: Anthony Callaghan, Anton Bryl, Jeff Graham, shelley floryd, Laura Sanborn, Henrik Peteri, Zachary Spencer, Chandler Bass, Richard Ohnemus, Joao Ascensao, Andrey, Ben Thorson, Marcus Lejon, Ilya Murashov, Nathan PaRupp-Spangle, Jon Monteiro, Missy Elliott Smith, Jonathan Wright, Gregory Donovan, Miles Chaston, Michael McClellan, PS, Maria Humphrey, Larry Wilson, Hubert Rady, John Vanek, Tsee Lee, Daisuke Goto, Gregory Kintz, Matt Parker, Tyson Cleary, Case Hill, Stefan Weber, Betsy Radley If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards! Want to follow Eons elsewhere on the internet? Facebook - https://www.facebook.com/eonsshow Twitter - https://twitter.com/eonsshow Instagram - https://www.instagram.com/eonsshow/ References: https://docs.google.com/document/d/1aVE7-Vt8yaMVvcAee5V9IOvmMjgxgb6SkMToDMJqQ7E/edit?usp=sharing Show more