Crater with Surrounding Bench in Sinus Meridiani
NASA/JPL/University of Arizona

Crater with Surrounding Bench in Sinus Meridiani
ESP_023382_1845  Science Theme: Sedimentary/Layering Processes
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This image is located within Northern Sinus Meridiani, a region of ridged terrains and extensive stratigraphic layering.

Originally identified in a Mars Orbiter Camera image (MOC), this 10 kilometer (approximately 6 miles) diameter crater is surrounded by a prominent bench. As this HiRISE image shows, there is extensive layering in the upper cap units.

The bench formed because these layered surface units are eroding at a faster rate than the more resistant underlying materials that comprise the rest of the crater.

Written by: Ginny Gulick   (5 October 2011)

This is a stereo pair with ESP_023593_1845.



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Acquisition date:23 July 2011 Local Mars time: 2:07 PM
Latitude (centered):4.381° Longitude (East):356.587°
Range to target site:272.9 km (170.6 miles)Original image scale range:27.3 cm/pixel (with 1 x 1 binning) so objects ~82 cm across are resolved
Map projected scale:25 cm/pixel and North is upMap projection:Equirectangular
Emission angle:3.2° Phase angle:32.3°
Solar incidence angle:35°, with the Sun about 55° above the horizon Solar longitude:332.8°, Northern Winter
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North azimuth:97° Sub-solar azimuth:338.9°
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North azimuth:270°Sub solar azimuth:153.5°

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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.