At present the study of the movement of sands mainly focuses on theoretical analysis of and numerical simulations of blown sand on the flat bed of sand.

The prospector panned off bits of sand and gravel scooped from the bed of a stream.

And besides, regardless of when you read this tutorial, I posted it after a Memorial Day of fun in the sun on the beaches of Florida. I just put the family to bed and I still have sand on my feet.