Cross-bedding
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High Quality Content by WIKIPEDIA articles! In geology, cross-bedding refers to inclined sedimentary structures in a horizontal unit of rock. These tilted structures are deposits from bedforms such as ripples and dunes, and they indicate that the depositional environment contained a flowing fluid (typically, water or wind). This is a case in geology in which original depositional layering is tilted, and the tilting is not a result of post- depositional deformation. Cross-bedding structures are formed in bedforms such as ripples and dunes by the motion of sediment due to a flowing fluid.…mehr

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High Quality Content by WIKIPEDIA articles! In geology, cross-bedding refers to inclined sedimentary structures in a horizontal unit of rock. These tilted structures are deposits from bedforms such as ripples and dunes, and they indicate that the depositional environment contained a flowing fluid (typically, water or wind). This is a case in geology in which original depositional layering is tilted, and the tilting is not a result of post- depositional deformation. Cross-bedding structures are formed in bedforms such as ripples and dunes by the motion of sediment due to a flowing fluid. Sediment grains bounce up the windward/upstream ("stoss") side of a ripple, and then tumble down the lee side.