Cross bedding
Cross bedding is a geological term referring to the way a sedimentary deposit is affected by water currents, during its formation. It can also refer to the movement of sand in dunes, under the influence of wind currents. It is a common type of sedimentary structure, in sandstone, other detrital sediments, limestone and dolomite. The migration of material is in the direction of current flow, downstream or downwind under conditions of erosion and deposition. It is a process of erosion, occurring during the process of deposition. It may also be called 'current bedding'.
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Geological processes