Hydrological action Wadi
triassic wadi deposit near ogmore-by-sea, wales. clasts carboniferous limestone.
deposition in wadi rapid because of sudden loss of stream velocity , seepage of water porous sediment. wadi deposits poorly sorted gravels , sands. these sediments reworked eolian processes.
over time, wadi deposits may become inverted wadis presence @ 1 time of underground water caused vegetation , sediment fill in wadi s eroded channel, point previous washes appear ridges running through desert regions.
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