HiRISE | Light-Toned Sedimentary Rocks Exposed in Syrtis Major Region Scarp (ESP_021757

NASA/JPL-Caltech/UArizona

Light-Toned Sedimentary Rocks Exposed in Syrtis Major Region Scarp
ESP_021757_1975 Science Theme: Sedimentary/Layering Processes

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This image covers a thick sequence of stratified rocks that are visible in Context Camera images.

These rocks look similar to those in other clay-bearing terrains on Mars and may represent a once extensive deposit that covered the region. HiRISE resolution can be used to the thin beds and to create a digital terrain model.

HiRISE color can aid to determine the composition of these layers, along with its stereo pair to measure bed thicknesses.

This caption is based on the original science rationale.

Written by: HiRISE Science Team (2 May 2011)

This is a stereo pair with ESP_021612_1975.

Acquisition date
18 March 2011

Local Mars time
14:48

Latitude (centered)
17.133°

Longitude (East)
76.725°

Spacecraft altitude
280.9 km (174.6 miles)

Original image scale range
61.2 cm/pixel (with 2 x 2 binning) so objects ~184 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
25.1°

Phase angle
79.4°

Solar incidence angle
58°, with the Sun about 32° above the horizon

Solar longitude
257.0°, Northern Autumn

For non-map projected images
North azimuth: 96°
Sub-solar azimuth: 319.0°

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DIGITAL TERRAIN MODEL (DTM)
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Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images

USAGE POLICY
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-Caltech/UArizona

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.