HiRISE | Remnant of Unconformable Deposit in Electris (ESP_023929

NASA/JPL/University of Arizona

Remnant of Unconformable Deposit in Electris
ESP_023929_1425 Science Theme: Landscape Evolution

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The Electris region of Mars contains some interesting features, such as the raised-relief blocks of material visible in this image.

One goal of this observation is to try to determine the origin of what's called the "mantling deposit." How was this deposit placed here? What types of geologic processes have acted to form the deposit? An image at high resolution can help provide details on the thickness and subtle variations within this deposit that can give us information on its origin and what erosional processes it has experienced.

This caption is based on the original science rationale.

Written by: HiRISE Science Team (30 November 2011)

This is a stereo pair with ESP_024074_1425.

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Acquisition date:	04 September 2011	Local Mars time:	2:29 PM
Latitude (centered):	-37.097 degrees	Longitude (East):	189.415 degrees
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 up	Map projection:	EQUIRECTANGULAR
Emission angle:	22.4 degrees	Phase angle:	36.1 degrees
Solar incidence angle:	49 degrees, with the Sun about 41 degrees above the horizon	Solar longitude:	355.2 degrees, Northern Winter
For non-map projected products:
North azimuth:	97 degrees	Sub-solar azimuth:	44.9 degrees
For map-projected products
North azimuth:	270 degrees	Sub solar azimuth:	215.7 degrees

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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: Image: 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.