Outwash
Stratified glacially derived sediment (clay, silt, sand, gravel) deposited by meltwater streams in channels, deltas, outwash plains, on flood plains, and in glacial lakes.
The photo below shows an outwash deposit in a pit near Chicago. Photo by W.H. Johnson.
This photo (below) shows outwash sand and gravel beneath till of the last glaciation at the Wedron Quarry. Photo by A.K. Hansel.
