http://www.carnegiescience.edu/PRMESSENGERByrneContractionImage

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 km). The colors correspond to elevation—yellow-green is high and blue is low. Image courtesy NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington.

http://www.carnegiescience.edu/PRMESSENGERByrneContractionImage