Mars Global Surveyor
Mars Orbiter Camera

Oblique View of Layers in Crater at 8°N, 7°W

MGS MOC Release No. MOC2-265N, 4 December 2000


(a) Oblique View

Subframe of M18-01349

(b) Image Used to Create Oblique View

Subframe of M18-01349

The continuity of flat, layered rock in a crater at 8°N, 7°W, in western Arabia Terra offers an unusual opportunity to create a detailed topographic map of the layers seen in Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image M18-01349. Each layer was traced while maintaining its proper stratigraphic location. The resulting contour map was then registered to MGS laser altimeter data to constrain the range of elevations, and interpolated. It was then possible to create the perspective view seen here (above left) by combining the resulting digital terrain model with the original picture. The oblique view shows what it might be like to fly over these layered outcrops in a helicopter. The image used to generate the oblique view (above right) was acquired by MOC in August 2000; it covers an area 2.8 by 1.7 km (1.7 by 1.0 mi) at a resolution of 1.8 meters (6 ft) per pixel. Dark material in the low areas between buttes and mesas of layered rock is windblown sand. For additional views of layered rock in the crater at 8°N, 7°W, see "Layered Material in West Arabia Terra Crater, MOC2-261, Deceber 4, 2000.

Images Credit: NASA/JPL/Malin Space Science Systems

Malin Space Science Systems and the California Institute of Technology built the MOC using spare hardware from the Mars Observer mission. MSSS operates the camera from its facilities in San Diego, CA. The Jet Propulsion Laboratory's Mars Surveyor Operations Project operates the Mars Global Surveyor spacecraft with its industrial partner, Lockheed Martin Astronautics, from facilities in Pasadena, CA and Denver, CO.

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