Oxidized Copper (IMAGE) Dartmouth College Caption Oxidized copper is visible on the crushed rock of the mining waste rock piles at a Superfund site in coastal Maine. Credit Kate Buckman Usage Restrictions Kate Buckman must be credited. 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.