Breccia with Large Clasts
NASA/JPL/University of Arizona
Breccia with Large Clasts
ESP_025600_1735  Science Theme: Sedimentary/Layering Processes
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In this beautiful image there appears to be a breccia layer, or a layer composed of rock fragments embedded in a finer material. This particular breccia is made up of fragments (or "clasts" as they are known to geologists) so large they can be seen by HiRISE.

The breccia layer, seen most easily near the center of this image, seems to be more resistant to erosion than the surrounding material, serving as a caprock to protect the layers beneath it.

The HiRISE team is planning on acquiring another image over this area in order to create a stereo (3-D) pair. This will help scientists better understand the topography and stratigraphy of the area.

Written by: HiRISE Science Team (audio by Tre Gibbs)   (23 May 2012)

This is a stereo pair with ESP_026523_1735.

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Acquisition date
12 January 2012

Local Mars time:
15:01

Latitude (centered)
-6.522°

Longitude (East)
284.710°

Range to target site
269.5 km (168.4 miles)

Original image scale range
27.0 cm/pixel (with 1 x 1 binning) so objects ~81 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
14.4°

Phase angle:
42.0°

Solar incidence angle
52°, with the Sun about 38° above the horizon

Solar longitude
55.9°, Northern Spring

North azimuth:
99°

Sub-solar azimuth:
40.1°
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non-map           (331MB)

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ANAGLYPHS
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ADDITIONAL INFORMATION
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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
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.