Clay Minerals Near Mawrth Vallis
NASA/JPL/University of Arizona
Clay Minerals Near Mawrth Vallis
ESP_023422_2000  Science Theme: Future Exploration/Landing Sites
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Mawrth Vallis, one of the oldest valleys on the Red Planet, was one of the final four candidate landing spots for the Mars Science Laboratory and for good reason: there are clay minerals here that most likely formed in the presence of water.

This particular image is part of a collection of observations to support assessment of potential future rover landing sites. The region is rich in aluminum- and iron-bearing clays.

This caption is based on the original science rationale.

Written by: HiRISE Science Team (audio by Tre Gibbs)  (27 March 2013)

This is a stereo pair with ESP_023567_2000.
 
Acquisition date
26 July 2011

Local Mars time
14:04

Latitude (centered)
19.713°

Longitude (East)
342.494°

Spacecraft altitude
283.3 km (176.1 miles)

Original image scale range
28.4 cm/pixel (with 1 x 1 binning) so objects ~85 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
2.9°

Phase angle
40.9°

Solar incidence angle
43°, with the Sun about 47° above the horizon

Solar longitude
334.5°, Northern Winter

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  323.5°
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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:
NASA/JPL/University of Arizona

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.