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

Michigan has sand, lots and lots of sand, the last ice age crushed and ground rocks into sand.

We have sand dunes (Sleeping Bear Dunes National Lakeshore), Northern Michigan and the UP are very sandy.