Why is there sand in deserts and no dirt? Why isn’t there sand anywhere else?

Question

I figured it was something to do with sand being light enough to be carried by wind, but that wouldn’t explain why the rest of the world lacks sand.

In: 327

Answer 1

I live in central/west tx and it’s nothing but sand. Even all our hay fields are literally sand. There was a fire that came through and everything looked like sand dunes!