Piece of the Supervolcano (IMAGE) Rensselaer Polytechnic Institute Caption A piece supervolcano and extracted quartz crystals analyzed for titanium. Credit Rensselaer Polytechnic Institute/David Wark 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.