Boundary (IMAGE)

Princeton University

Boundary

Caption

Princeton graduate students Catherine Rose and Nicholas Swanson-Hysell stand at the boundary of the Cryogenian and Ediacaran periods, distinguishable by the different colors of the glacial rocks below and the carbonate rock above.

Credit

Adam Maloof

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.