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Fractures in front of Curiosity, sol 538

Fractures in front of Curiosity, sol 538
Fractures in front of Curiosity, sol 538 After crossing the Dingo Gap dune, Curiosity found some fins of material protruding from the rock. These are places where fractures within the rock were filled with a mineral precipitating out of groundwater. Since the fill formed, the rocks have been eroding due to wind. The rocks are less resistant to erosion than the fracture fill, so the fracture fill now stands up higher than the rock surface. NASA / JPL / MSSS