Mercury's Landforms (IMAGE) Carnegie Institution for Science Caption This image shows a long collection of ridges and scarps on the planet Mercury called a fold-and-thrust belt. The belt stretches over 336 miles (540 kilometers). The colors correspond to elevation -- yellow-green is high and blue is low. Credit Image courtesy NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington 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.