What Is Deflation Basin

Deflation basins, called blowouts, are hollows formed by the removal of particles by wind. … Grinding by particles carried in the wind creates grooves or small depressions. Ventifacts are rocks which have been cut, and sometimes polished, by the abrasive action of wind.

What is meant by deflation in geography?

deflation, in geology, erosion by wind of loose material from flat areas of dry, uncemented sediments such as those occurring in deserts, dry lake beds, floodplains, and glacial outwash plains.

How are deflation hollows formed?

Dune deflation hollows are where wind has removed sand down to a level where a layer of particles too heavy for the wind to move (an armoured surface) stabilises the sand and prevents the surface being lowered further. … This system may grade into damp sand plains where the water table is permanently near the surface.