The south polar region of Mars exhibits thick exposures of layered sediment. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) picture shows an example of layers exposed on a slope. The image was obtained during southern summer in early November 2003. Sunlight illuminates the layers from the upper left; the lowest layers are at the top of the image; the slope goes up-hill toward the bottom. This area is located near 86.0°S, 182.4°W, and covers an area approximately 3 km (1.9 mi) wide.