Mars: Where Mud Flows like Lava (IMAGE) CNRS Caption Mud frozen after flowing under pressure and temperature conditions like those found on Mars. The lobe shapes and cavities are normally associated with lava on Earth. Credit © Brož et al./Nature Geoscience 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.