This image from NASAs Mars Odyssey shows Mangala Fossae, a long linear depression called a graben, formed by extension of the crust and faulting.

September 21, 2022

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Mangala Fossae is a long linear depression called a graben and was formed by extension of the crust and faulting. When large amounts of pressure or tension are applied to rocks on timescales that are fast enough that the rock cannot respond by deforming, the rock breaks along faults. In the case of a graben, two parallel faults are formed by extension of the crust and the rock in between the faults drops downward into the space created by the extension. At the right side of the image the graben enters an impact crater, and creates a complex group of tectonic fractures and depressions. Mangala Fossae is 828 km long (514 miles).

Orbit Number: 91061 Latitude: -19.2481 Longitude: 206.825 Instrument: VIS Captured: 2022-06-25 06:21

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Science Mission Directorate, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.

Credit

NASA/JPL-Caltech/ASU

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