star dune

star dune
   A large, isolated sand dune whose base, in plan view, resembles a star, with sharp-crested ridges converging from basal points to a central peak that may be as high as 100 m above the surrounding plain. It tends to remain fixed for centuries in an area where the wind blows from all directions.
   Compare: dune.
   GG

Glossary of landform and geologic terms. 2013.

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