alluvium

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alluvium

The material deposited on land by virtue of the process of accretion. The accretion process occurs when rivers or other waters deposit silt and mud on land,and thus create more land; the silt and mud making up the new land is called alluvium.

References in periodicals archive ?
The effects of temporal and spatial patterns of Holocene erosion and alluviation on the archaeological record of the Central and Eastern Great Plains, USA.
The overlying silts and clays were deposited by overbank alluviation and include darker iron-and clay-rich units that can be traced as palaeosols along the bank sections (Neumann & Haita 1999).
Holocene alluviation and land-use change on Callaly Moor, Northumberland, England, Journal of Quaternary Science 6: 225-32.
Flood alluviation and entrenchment: Holocene valley floor development and transformation in the British uplands, Geological Society of America Bulletin 104: 631-43.
Holocene alluviation and interstratified settlement evidence in the Thames Valley at Runnymede Bridge, in Needham & Macklin (ed.
An [approximately] 5,000-year record of El Nino-driven alluviation in southwestern Ecuador, Science 283: 516-20.
Unfortunately, 10,000 years of unremitting cultivation, erosion and alluviation made it impossible to trace even the outlines of Natufian fields through aerial photography.