Cross-Section of a Complex Crater
NASA/JPL/University of Arizona
Cross-Section of a Complex Crater
ESP_058057_1465  Science Theme: Geologic Contacts/Stratigraphy
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This image shows a cross-section of a complex crater in Terra Cimmeria.

Starting in the center, we see a series of peaks with exposed bedrock. These peaks formed during the impact event when material that was originally several kilometers below the surface was uplifted and exposed. The impact also melted the rocks. This eventually cooled, forming the pitted materials that coat the crater floor around the uplift.

The rim of the crater was unstable, and collapsed inwards to form terraces, and we see additional pitted materials between the terraces and the rim. Just outside the crater we can see dark-toned material that was excavated and thrown out after the impact.

Written by: Eric Pilles, Matthew Bourassa, Shannon Hibbard and Livio Tornabene (audio: Tre Gibbs)  (22 January 2019)

This is a stereo pair with ESP_058624_1465.
 
Acquisition date
15 December 2018

Local Mars time
14:10

Latitude (centered)
-33.218°

Longitude (East)
161.321°

Spacecraft altitude
255.1 km (158.5 miles)

Original image scale range
51.4 cm/pixel (with 2 x 2 binning) so objects ~154 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
5.5°

Phase angle
37.1°

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

Solar longitude
306.7°, Northern Winter

For non-map projected images
North azimuth:  96°
Sub-solar azimuth:  22.0°
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ANAGLYPHS
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Full resolution JP2 download
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ADDITIONAL INFORMATION
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EDR products
HiView

NB
IRB: infrared-red-blue
RGB: red-green-blue
About color products (PDF)

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/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.