When the winds have removed all smaller particles, the remaining surface of rocks and gravel is desert pavement.
What is desert pavement?
- A naturally occurring mosaic of tightly packed rocks, cobblestones, and pebbles typically seen in a desert where all smaller particles have been driven away by the wind.
- According to a widely accepted idea, sand and other tiny particles are gradually removed from desert pavements by wind and infrequent rainfall, leaving the huge chunks behind.
- Larger rock fragments are moved into position by the acts of several forces, including rain, wind, gravity, and animals.
- The development of the so-called "vesicular A" (or Av) soil horizon just below the surface of the pebbles, gravel, and small stones that make up the ground surface of desert pavements is a remarkable characteristic of these surfaces.
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