10.2.3. Rock Pedestals or Mushroom Rocks

Due to the presence of alternate layers of soft and hard rock and the effect of sand-blasting by winds on these, features with irregular edges are formed. Grooves and hollows are cut into the rock surfaces, carving them into fantastic pillars called rock pedestals.

Formation of yardangs Formation of zeugen

10.2.4. Yardangs

A yardang 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.