Abstract

The upper strata of the sandstone exposed in a road cut in Wind River Canyon contain abundant burrows with associated downbent laminae. The burrows are long, slender, sharply defined cylinders of sandstone normal to stratification. These deformed laminae can cause interpretive errors. Experiments suggest that the extent and type of downbending reflect subsurface removal of sediment rather than drag caused by downward penetration of the burrower.

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