Slope Streaks in Terra Sabaea

Slope streak formation is among the few known processes currently active on Mars. While their mechanism of formation and triggering is debated, they are most commonly believed to form by downslope movement of extremely dry sand or very fine-grained dust in an almost fluidlike manner (analogous to a terrestrial snow avalanche) exposing darker underlying material.

https://uahirise.org/hipod/PSP_001808_1875
NASA/JPL-Caltech/University of Arizona
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