Fig. 18

image

High-resolution image of a putative dune in Maftet. Position A shows a smooth surface. To the left (position B), pits have formed in the smooth material. The pits are aligned. The bright spots in the smooth material (also position C) may be volatile-rich chunks. Image: NAC_2014-10-19T12.22.15.525Z_ID10_1397549600_F22.

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