alluvium

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Related to Alluvial deposits: Lacustrine deposits

alluvium

a deposit of sand, mud, silt, or gravel formed by flowing
Not to be confused with:
alluvion – overflow; flood
eluvium – a deposit of soil, dust, or rock debris formed by the decomposition of rock
illuvium – the material accumulated through soil that has been leached out of another layer of soil

al·lu·vi·um

 (ə-lo͞o′vē-əm)
n. pl. al·lu·vi·ums or al·lu·vi·a (-vē-ə)
Sediment deposited by flowing water, as in a riverbed, flood plain, or delta. Also called alluvion.

[Medieval Latin, flood, from neuter of Latin alluvius, alluvial, from alluere, to wash against; see alluvion.]

alluvium

(əˈluːvɪəm)
n, pl -viums or -via (-vɪə)
(Geological Science) a fine-grained fertile soil consisting of mud, silt, and sand deposited by flowing water on flood plains, in river beds, and in estuaries
[C17: from Latin; see alluvion]

al•lu•vi•um

(əˈlu vi əm)

n., pl. -vi•ums, -vi•a (-vi ə)
1. a deposit of sand, mud, etc., formed by flowing water.
2. the sedimentary matter deposited thus within recent times, esp. in the valleys of large rivers.
[1655–65; < Latin, n. use of neuter of alluvius washed against]

al·lu·vi·um

(ə-lo͞o′vē-əm)
Sand, silt, mud, or other matter deposited by flowing water, as in a riverbed, floodplain, or delta.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alluvium - clay or silt or gravel carried by rushing streams and deposited where the stream slows downalluvium - 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
Translations

alluvium

[əˈluːvɪəm] N (alluviums, alluvia (pl)) → aluvión m, depósito m aluvial

alluvium

[əˈluːviəm] nalluvions fplall-weather [ˌɔːlˈwɛðər] modif [track, surface, pitch] → tous temps; [racing, hurdling] → tous temps; [tyres] → tous temps

alluvium

nAnschwemmung f

alluvium

[əˈluːvɪəm] nmateriale m alluvionale
References in classic literature ?
The soil of all the former states has the appearance of an alluvial deposit; and isolated rocks have been found, of a nature and in situations which render it difficult to refute the opinion that they have been transferred to their present beds by floating ice.
The company operates 11 kimberlite pipes and 16 alluvial deposits.
To ensure continuity of service during this operation and to respond to population growth, four boreholes were drilled nearby (f1, f2 bis, f3 and pz5) in the alluvial deposits of the marne and the yprsien aquifer.
The precious stone was discovered at the ancient alluvial deposits in South Africa, a land known for harbouring a number of the world's largest diamonds.
The construction site at 790 North Water Street sits on a once-marshy mix of glacial till and alluvial deposits, close to the Milwaukee River.
Relatively higher fractal dimensions are observed where loose alluvial deposits and irregularities exists whilst the lower fractal dimension represents existence of the competent formations.
The main goals of this study are (1) to describe the nature and distribution of the alluvial terrace deposits of the Quaternary alluvial sediments of the Alto Guadalquivir Basin (SE Spain) based on sedimentary facies as well as on mineral and geochemical evidence, (2) to identify and discriminate different sediment sources of the Guadalquivir River alluvial deposits, (3) to estimate the potential factors that control the observed changes in the mineralogy and geochemistry within the different studied sedimentary sequences, and (4) to propose a terrace deposit model in the light of processes that have interacted to form the terrace sediments.
Underneath the man-made fill on the property, there are layers of alluvial deposits left by the river flow, such as gravel and soil, the PBS report said.
The alluvial deposits there were mined from beneath 1-4 m of overburden using simple hand tools (e.g.
The agency is now asserting that "intermittent, and ephemeral streams, are physically, chemically, and biologically connected to downstream rivers via channels and associated alluvial deposits" and are thus under EPA control.