Mega- and giant ripples in the Ganga,Yamuna, and Son Rivers,Uttar Pradesh,India |
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Authors: | Indra Bir Singh Surendra Kumar |
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Institution: | Department of Geology, Lucknow University, Lucknow India |
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Abstract: | Sand bars of the three important rivers of the Gangetic Alluvium, namely the Ganga, Yamuna and Son are investigated. Megaripples of undulatory type are the most abundant bed forms present, and are responsible for the development of large-scale cross-bedding, the most common bedding structure present in the area. Giant ripples, with superimposed megaripples are recorded in one sand bar in the Yamuna River. On a steeply sloping point bar in the Ganga River, delta-like lobes have produced foreset bedding oriented towards the main channel, at right angles to the direction of the main flow. |
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