Jesse Reimink, University of Alberta (image) University of Alberta Caption University of Alberta Ph.D. student Jesse Reimink studied some of the oldest rocks on Earth to find out how the earliest continents formed. Credit Bryan Alary/University of Alberta Usage Restrictions Photo credit. 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.