clay or silt or gravel carried by rushing streams and deposited where the stream slows down
an ancient river-washed rock and gravel bar that may be thousands of feet from the nearest stream, creek, or river
Clay, sand, gravel etc, removed from a parent rock by water and weathering agents and deposited at a distance.
Where gems that have been dislodged from their primary deposit by rains or melt water and deposited at the bottom of a creek or river bed.
an accumulation of the sediment deposited by flowing water, such as in a riverbed or delta.
a fan-shaped land deposit at the mouth of a stream