Lab Mimicry of Mantle-Core Separation (IMAGE) Carnegie Institution for Science Caption The diamond anvil cell recreated the conditions of early Earth as the material that's analogous to the core -- inner dashed line -- separates from the material that's analogous to the magma ocean in the mantle--the outer dashed line. The scale bar in the left panel is 10 microns. Credit Colin Jackson. Usage Restrictions With credit 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.