alluvial sediment

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Noun1.alluvial sediment - clay or silt or gravel carried by rushing streams and deposited where the stream slows downalluvial sediment - clay or silt or gravel carried by rushing streams and deposited where the stream slows down
delta - a low triangular area of alluvial deposits where a river divides before entering a larger body of water; "the Mississippi River delta"; "the Nile delta"
placer - an alluvial deposit that contains particles of some valuable mineral
sediment, deposit - matter that has been deposited by some natural process
alluvial soil - a fine-grained fertile soil deposited by water flowing over flood plains or in river beds
References in periodicals archive ?
The fourth deformational event has occurred form pliocene until Quaternary, the evidence of this event are: starting of Kahurak fault activity in the study area, displacement of streams and old fold axes, bending of the Nosratabad faulttrend in the north of the area, folding of Pliocene units and cutting of Quaternary alluvial sediment.
Alluvial sediment beneath the Rio Grande is filled with faultlines above the international Hueco Bolson aquifer.
Lahbari thrust fault operation in the plain east parts, causes Gachsaran formation is closed to alluvial sediments of Gotvand Aghili plain.
The ridge is buried to the west by glaciolacustrinc sediments of Glacial Lake Chicago and to the east it is eroded by the Grand River and covered by alluvial sediments.
PL 1749/01 is located in a greenstone belt that is covered by alluvial sediments.
The lithics remains in the residual colluvium suggested that some Pleistocene alluvial sediments might be preserved further downstream.
The tree trunk was extracted together with dozens of other oak trunks, some as long as 10m, from the Holocene alluvial sediments of the river (Figure 1).
Sampling and analysis of alluvial sediments are useful for the detection of natural and anthropogenic sources of pollution (6).
The Casuto alluvial sediments are located in the Casuto-Chigualoco River basin and estuary and on glacial river terraces all deposited through a series of erosive events.
Organic carbon percent varied widely in these hetereogenous alluvial sediments.
This is particularly true for New Brunswick, where many of the communities were settled along river valleys and coastal areas, which are underlain by thick deposits of glacial and alluvial sediments that can amplify ground motion.
It includes a system of Tidal Paleocreeks formed during the Holocene transgression and later inactivated by the accumulation of shell bars and alluvial sediments.