HiRISE: Blocks and troughs

ESP_054819_1725Blocks and troughs. This region in Margaritifer Chaos is located in a system of finger-like rifts and cracked surface stretching south from what appear to be three impact craters. The interaction/relation between these valleys and their neighboring craters could be useful in determining erosional timescales and/or processes.

HiRISE Picture of the Day archive. [More at links]

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