Gold Mine (IMAGE) Smithsonian Tropical Research Institute Caption Gold mine in the Amazon rainforest Credit Rhett A. Butler, mongabay.com Usage Restrictions Credit: Rhett A. Butler, mongabay.com 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.