alluvium• The soils are developed on marine or estuarine alluvium found between the normal high-water mark and the limit of highest spring tides.• The soils are developed on freshwater alluvium.• Using open cut excavation where possible, Nuttall has moved about 26,000 cu m of alluvium and gravel.• Usually floodplains are not veneers of alluvium explicable by lateral channel movements, but considerable thicknesses smoothing over more complex relief.
Originalluvium
(1600-1700)Late LatinLatinalluere, from ad-“against” + lavare“to wash”