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Light-toned Rock

Jan. 1, 2006
NASA's Mars Global Surveyor shows terrain in the vicinity of Erebus Crater on Mars, a substrate of light-toned rock, broken into polygonal forms, overlain by large, dark-toned, ripple-like drifts.

1 January 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a scene reminiscent of some of the Mars Exploration Rover (MER-B), Opportunity, images of terrain in the vicinity of Erebus Crater -- a substrate of light-toned rock, broken into polygonal forms, overlain by large, dark-toned, ripple-like drifts. However, this scene is many hundreds of kilometers away from Meridiani Planum -- it lies on the floor of an old impact crater near the northwest rim of the giant Hellas Basin.

Location near: 21.0°S, 312.0°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Summer

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