Veladero Open Pit Mine (IMAGE) Colorado School of Mines Caption This is an open pit mining operation at the Veladero mine in Argentina. Credit Colorado School of Mines Usage Restrictions Please credit Colorado School of Mines. 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.