Wiktionary
glacial flour
n. rock flour.
Usage examples of "glacial flour".
It was murky with glacial flour, ground and re-ground from the rocks crumbled beneath the tremendous moving weight The water was plainly unfit to drink.
The water is thick with glacial flour, you're nearly blind underneath it, but watch as best you can.
Spray off rocks dashed brilliant above water made gray-green by glacial flour.
Gray-green with glacial flour, the Madwoman River poured noisily into a bay where whitecaps danced on water the hue of steel.
The road followed the Astrid River, which rippled and gurgled, green with glacial flour, on her right, downward bound to Aguabranca where it would enter the mighty Europa.