WOW—actual field geology on #Mars!!
— Paul Byrne (@ThePlanetaryGuy) December 27, 2019
This is a *gorgeous* example of a dry, granular flow, with a slightly more competent (rigid) layer on top of a softer, more deformable material. It's all sand, but the stuff on top is able to clump together whereas the stuff below flows. (1/2) https://t.co/sv3QiZBZ6W
via Twitter https://twitter.com/ThePlanetaryGuy
December 28, 2019 at 01:04AM
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