wreck, flotsam, junk, debris, trash, rubble, remains, e-waste, ruins, wreckage, landfill, ruin, ashes, dust, litter.
residue (part of speech: noun)
waste (part of speech: noun)
In the freshets, which occur to a greater or less extent every year, enormous volumes of water pour over these wastes, carrying sand and detritus
down to the mouths, which are all obstructed by bars.
- "Unbeaten-Tracks-in-Japan", Bird, Isabella L. (Isabella Lucy).
The inward dip of the beds retains the detritus
- "The Ascent of the Matterhorn", Edward Whymper.
There is a trace rather than a foot- path;- no visible soil, only vegetable detritus,
with roots woven over it in every direction.
- "Two Years in the French West Indies", Lafcadio Hearn.