Rock target "Third Lake," Curiosity sol 1612

Rock target "Third Lake," Curiosity sol 1612
Rock target "Third Lake," Curiosity sol 1612 A block of bedrock with a red color has lighter-colored edges, likely caused by fluids circulating within fractures in the rock either depositing new minerals or leaching out others. On the left side, a bright material, probably calcium sulfate, fills the ancient fracture. NASA / JPL / MSSS / Paul Hammond

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