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This photo shows a canyon cut into the surrounding flat soil with 32 distinct horizontal layers of soil, each clearly demarked from the layer below. Above the canyon a farm house can be seen n the distance - the farm house provide the perspective that helps the viewer establish that the cut is over 40 deep. The bottom of the cut is filled with tumble weeds.
"Little Grand Canyon" of Touchet River near Lowden in the Walla Walla valley. Note distinct layers
This is a rhythmite: obvious repeat pattern, with limestone blocks with shale in between them. Blue Lias cliffs at Lyme Regis, Dorset
A stratigraphic section of Ordovician limestone exposed in central Tennessee, U.S. The less-resistant and thinner beds are composed of shale. The vertical lines are drill holes for explosives used during road construction

A rhythmite is layers of sediment or sedimentary rock laid down in a repeated pattern. This pattern may be varves, which are an annual pattern, or shorter or longer-term rhymites. Tides in some places have left rhythmites. view more...