Ferrovolcanism on Metal Asteroid (image) University of California - Santa Cruz Share Print E-Mail Caption As a metallic asteroid such as Psyche cooled and solidified, iron volcanoes may have erupted onto its surface. Credit Illustration by Elena Hartley Usage Restrictions For use only with news coverage of this research. 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.