A recent volcanic deposit on Mars (image) University of Arizona Share Print E-Mail Caption Recent explosive volcanic deposit around a fissure of the Cerberus Fossae system. Credit NASA/JPL/MSSS/The Murray Lab Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated. Share Print E-Mail 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.