Nili Fossae topography

The Nili Fossae graben system is an area of great geological interest, near the giant Isidis impact basin, northeast of the Syrtis Major volcanic province.

The graben system contains numerous troughs, one of which can be seen crossing the lower left of this image. On the plateau above, several depressions can be seen, some of them extending into the trough. A large, 55 km-diameter impact crater with a central pit can be seen on the right.

This colour-coded topographic view is based on a digital terrain model of the region, from which the topography of the landscape can be derived. White and red show the highest terrains, while blue and purple show the deepest.

This image was created using data from the High Resolution Stereo Camera on ESA’s Mars Express on 16 October 2014 during orbit 13699. It is centred on 75°E / 24°N. The ground resolution is about 18 m per pixel. North is to the right, east is up.

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