Layers along a Pit in Coprates Catena
NASA/JPL/University of Arizona
Layers along a Pit in Coprates Catena
PSP_007917_1650  Science Theme: Sedimentary/Layering Processes
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This image shows the western wall of a small pit that is located along the floor of a larger trough in Coprates Catena. Dark layers are exposed along the bottom of the pit wall while light-toned layers are near the top of the pit and the adjacent trough floor.

Based upon where the layers are exposed, we can tell that the dark layers formed first followed by the light layers. The light layers could have been deposited when water filled part of the trough while the dark layers could be older lava flows.

Written by: Cathy Weitz (audio: Tre Gibbs)  (5 March 2018)

This is a stereo pair with PSP_009631_1650.
 
Acquisition date
04 April 2008

Local Mars time:
15:08

Latitude (centered)
-15.031°

Longitude (East)
300.008°

Range to target site
261.2 km (163.3 miles)

Original image scale range
26.1 cm/pixel (with 1 x 1 binning) so objects ~78 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
6.7°

Phase angle:
53.4°

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

Solar longitude
54.2°, Northern Spring

For non-map projected images
North azimuth:  96°
Sub-solar azimuth:  41.3°
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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.