Schematic diagram showing development of colluvium on benched slopes in Appalachian Plateau
Colluvium is generated by weathering near head of slope, then accumulates on benches and in swales and gullies. Dots show more resistant sandstones, dashes show less resistant shales. Symbol S denotes horizon of abundant seeps; Qc is Quaternary colluvium;
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Photographer(s): Pomeroy, 1984, Fig. 12; after Gray and Gardner, 1977
Copyright: Public Domain; US Geological Survey
