Appalachians (IMAGE) Geological Society of America Caption The Appalachians are among Earth's oldest mountains. A consortium led by West Virginia University is currently developing a "Geopark" to highlight the region's caves, rivers, and coal-mining heritage for visitors. Photo taken Nov. 17, 2012. Credit Credit NASA/JSC. Public domain, https://earthobservatory.nasa.gov/images/80088/appalachian-mountains Usage Restrictions Credit NASA/JSC. 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.