Moraine Lake, Banff National Park (IMAGE) University of British Columbia Caption Much of continental crust formed during the Archean Eon is still part of the continents today as seen in the Rocky Mountains at Banff National Park, Canada. Credit Gorgo Usage Restrictions No restrictions. License Public Domain 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.