New Models of Early Earth (IMAGE) University of Adelaide Caption These are models for the distribution of crustal thickness in early Earth. The crust in the prevailing paradigm is mostly oceanic, with some thin continental crust. The new model predicts a thicker and greater continental portion that was not preserved. Credit Derrick Hasterok Usage Restrictions For use with this story only 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.