This image shows part of the central uplifted region of an impact crater more than 50 kilometers wide. That means that the bedrock has been raised from a depth of about 5 kilometers, exposing ancient materials.

The warm (yellowish-reddish) colors mark the presence of minerals altered by water, whereas the bluish and greenish rocks have escaped alteration. Sharp-crested ridges and smooth areas are young windblown materials.

ID: ESP_021545_1660
date: 2 March 2011
altitude: 258 km

https://uahirise.org/hipod/ESP_021545_1660
NASA/JPL-Caltech/University of Arizona
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