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Explaining Hummocky Cross-Stratification Based on the Theory of Standing Wave: A Case from Jiayuan Group Storm Deposits in Xuzhou Area
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摘要


     Hummocky cross-stratification, as one of the marks of the identification of storm deposits, can reflect the sedimentary structures of turmoil best. The paper, based on the standing wave theory to explain the origin of hum mocky cross-stratification, has proposed the view of hummocky cross-stratification forming in the node and the kinetic energy of formation of hummocky cross-stratification or standing wave is approximately constant. Through calculation, explained that the wavelength is longer,the wave height is shorter and the wavelength/wave height is increasing. Ex plained the variation of hummocky cross-stratification in sedimenta~T sequence of storm in JiaYuan group of Xu Zhou area, and verified the feasibility of the theory. This view is helpful to study the relationship between sedimentary se quence of storm and depth control.

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