![Click here for larger version of PIA20731](https://photojournal.jpl.nasa.gov/figures/PIA20731_fig1_thumb.jpg)
Map Projected Browse Image
Click on the image for larger versionThis image shows what looks like drag folds, where rock layers bend (fold) before they break in a fault.
However, the North Polar layered deposits are composed of ice, and this is a large scale for such a feature, compared to drag folds on Earth. This image is part of a stereo pair, so with a 3D picture, we can better interpret the structure.
This is a stereo pair with ESP_044794_2620.
The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.