sand run

sand run

[′san ‚rən]
(geology)
A fluidlike motion of dry sand.
A mass of dry sand in motion.
References in periodicals archive ?
Last month, Curiosity passed through an area with linear (https://pubs.usgs.gov/gip/deserts/dunes/) sand dunes  where the peaks in the sand run in lines.
If you want to do a soft sand run, get ready for a great workout.
Just a year ago, Broden would sit in the sand box and let sand run through his fingers.
Use an egg-timer so that he brushes his while watching the sand run out, and make up songs or rhymes which you can sing while he is doing it.
Watch the sand run out of our fragile, faded dream:
Stroking a flower petal, watching sand run through her fingers, following the flight of a bird, savouring the taste of a chocolate button - studying a bee.
"Gravel runs better than sand, sand runs better than silt--and clay is the worst," says Sanford.
'When the sand runs out from dredging, [we] are afraid there will be no support for riverbanks and our rivers will be negatively affected,' he said.
The sand runs for miles, and if you visit from mid-July into September, so do the sales.