Large impact craters rebound from the initial shock, raising deep bedrock to the surface in the central uplift of the crater.

Often this bedrock has greater compositional diversity than the surface layers, because they are from greater depths, older, jumbled, and altered, and very diverse.

ID: ESP_045519_1730
date: 12 April 2016
altitude: 261 km

https://uahirise.org/hipod/ESP_045519_1730
NASA/JPL-Caltech/UArizona
#Mars #science #NASA