It is an arc-shaped sand ridge, comprising well-sorted sand.
It is an isolated rock hill, knob, ridge, or small mountain that rises abruptly from a gently sloping or virtually level surrounding plain.
It is a streamlined hill carved from bedrock or any consolidated or semi-consolidated material by the dual action of wind abrasion, dust and sand, and deflation.
It is a type of desert landscape consisting of largely barren, hard, rocky plateaus, with very little sand.