Layers and erosion

Scaled Image

Image Credit: NASA/JPL/ASU

About this image

This image is located within a set of eroded layered rocks known as the Medusae Fossae Formation. Careful inspection of this image reveals four separate layers. Starting at the bottom of the image, as well as the bottom of the sequence of layers, is a somewhat hilly, cratered plain. Above that is a mud or lava flow with a lobate edge that is characteristic of fluid flow. Above that is a layer with a spectacular rayed crater. This layer shows linear erosional patterns that are probably caused by persistent wind abrasion, typical of rocks in this area. And finally, a more blocky unit lies on top, mostly eroded away.

Please see the THEMIS Data Citation Note for details on crediting THEMIS images. 


Image ID: 
V07969023 (View data in Mars Image Explorer)
2003-10-01 07:39
Tue, 2003-11-04
1024 pixels (18 km)
3648 pixels (64 km)
0.01773 km/pixel
0.017859 km/pixel


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