Faults and Folds in Western Candor Chasma
NASA/JPL/University of Arizona
Faults and Folds in Western Candor Chasma
PSP_003540_1735  Science Theme: Tectonic Processes
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This image shows various interesting structures along the floor of Candor Chasma, a major canyon of Valles Marineris.

The rocks along the floor of the chasma consist of multiple layers of light-toned material, possibly windblown or water-lain sediment. These layers have been shifted along faults and also folded, giving the layers an apparent wavy appearance as they are exposed at the surface through erosion.

Some waviness in the layers may also have formed as these sediments were laid down, for example, in dunes or large ripples. Detailed mapping of these faults and folds may help reveal the origin of these layered deposits and if water played any role in their formation.

Written by: Chris Okubo   (10 October 2007)

This is a stereo pair with PSP_003474_1735.

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Acquisition date
29 April 2007

Local Mars time:
15:33

Latitude (centered)
-6.440°

Longitude (East)
283.221°

Range to target site
263.6 km (164.7 miles)

Original image scale range
26.4 cm/pixel (with 1 x 1 binning) so objects ~79 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
7.3°

Phase angle:
46.0°

Solar incidence angle
53°, with the Sun about 37° above the horizon

Solar longitude
228.2°, Northern Autumn

North azimuth:
97°

Sub-solar azimuth:
347.1°
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NASA/JPL/University of Arizona



Postscript
For information about NASA and agency programs on the Web, visit: http://www.nasa.gov. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems is the prime contractor for the project and built the spacecraft. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona. The image data were processed using the U.S. Geological Survey’s ISIS3 software.