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Fig. 6 | Journal of Palaeogeography

Fig. 6

From: Ancient rip current records and their implications: an example from the Cretaceous Ukra Member, Kutch, India

Fig. 6

a Wedge-shaped clasts supported fossil-rich conglomerate. Note downcurrent fining of the clasts and also fairly intact nature of the shells; b Clast-supported conglomerate displaying coarse-tail reverse grading. Note lack of discernible skeletal materials at the base. Also note the shells are fairly intact; c Matrix-supported conglomerate, with tabular geometry. Note that the majority of shells are concave-up in orientation, present normal coarse-tail grading. Also note many shells are broken; d Clast-supported conglomerate showing faint cross-strata as internal structure. Note that majority of shells are convex-up in orientation, although majority of them are fairly intact; e Granule-rich and very poorly-sorted conglomerate, with reddish mud filling the interstices between the clasts. Note that the cross-strata within them turn progressively more pronounced in the down-dip direction; f Granule-rich and very poorly-sorted conglomerate, having concave-up base with flat top. Note internally the sediment appears massive but with a faint suggestion of internal lamination. Scale bar = 5 cm

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