This NavCam mosaic shows the Williams outcrop in front of us, which is part of the Stimson unit. Increasingly the stratigraphers will be able to split the sediments into different units highlighting changing environments.
A striking feature of the outcrop are the light toned areas around fractures running across the landscape. ChemCam shows us that these are silica-rich. Part of the fun of working on MSL is working on new features like this – as we piece together how they formed we will learn more about Mars and how its crust and water evolved.
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