Some of the layered material is light-toned. Rocks containing sulfates have a light tone compared to isolated rocks examined by landers and rovers at other locations on Mars. Rocks in Meridiani have strong evidence for past water, including the mineral jarosite.
Dark
Light
Also visible in a Context Camera image, our high resolution picture shows layers exposed where the crater ejecta has been eroded.
Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_064524_1835
Related Posts
Exposed Fractured Bedrock in the Central Pit of a Crater
This HiRISE image shows the central pit feature of an approximately 20-kilometer diameter complex crater in located at 304.480 degrees east, -11.860 degrees south, just north of the Valles Marineris.
Possible Clays and Chlorides near Columbus Crater
Data from other instruments, such as THEMIS and CRISM, imply that chlorides are present here; the CRISM data reveal that iron/magnesium clays are also present.
Icy Cliffs and Impact Craters
We’ve come to understand in recent years that about a third of Mars has ice just below the surface.
Sunken and Pitted Ejecta
The objective of this observation was to examine the edge of impact ejecta from a crater to the north-west of this area (north is up, west is to the left).