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Geosciences LibreTexts

3.1.6: Slip Face on Namib Dune (a barchan dune)

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    1. The different characters of the dune face labeled:
    2. In 2D:
    3. In 3D (get out your red-blue glasses!):
    4. Here's the face of the dune after the holiday:

    Questions to Ask Yourself:

    1. Where are the rippled areas?
    2. Where are the slope failures?
    3. What characteristics do you expect to see the layers deposited by these two different transport processes? Think about the lateral continuity of layers, cross stratification, sorting (or not) of grains, etc.