Faulted, Layered Deposits in Candor Chasma
NASA/JPL/UArizona
Faulted, Layered Deposits in Candor Chasma
ESP_022343_1735  Science Theme: Tectonic Processes
This image shows spectacular layering of light-toned material in a part of Valles Marineris called Candor Chasma.

The light-toned layered material was likely deposited when there was water in the Chasma. Many of the light-toned deposits within Valles Marineris contain sulfates (salts rich in sulfur) that formed when acidic water evaporated.

There are also many faults visible in the image that cut through the layered material, indicating that after the rocks were deposited they underwent stress that caused them to crack and shift in position. Some of the folding visible in the light-toned material resulted from slower movements of the rocks rather than the quicker movements that created the faults. The darker material is aeolian-derived and can be rippled.

Written by: Cathy Weitz  (15 June 2011)

This is a stereo pair with ESP_022699_1735.
 
Acquisition date
03 May 2011

Local Mars time
14:34

Latitude (centered)
-6.630°

Longitude (East)
284.150°

Spacecraft altitude
258.9 km (160.9 miles)

Original image scale range
26.9 cm/pixel (with 1 x 1 binning) so objects ~81 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
12.6°

Phase angle
29.6°

Solar incidence angle
41°, with the Sun about 49° above the horizon

Solar longitude
285.6°, Northern Winter

For non-map projected images
North azimuth:  98°
Sub-solar azimuth:  335.5°
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All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible:
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POSTSCRIPT
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. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.