#structural accumulation

• Alluvium — A secondary, regional, or archaic form of the noun 'aluviune'; a sedimentary mass consisting of silt, sand, gravel, and organic debris transported and deposited by running waters in floodplains, deltas, or at river mouths. In certain old agricultural documents, the term describes new land formed by fluvial accumulation at the edge of a property.
• Alluvium — An alternative secondary, archaic, or regional form of the noun 'aluviune'; a sedimentary deposit composed of silt, sand, clay, and detrital gravel, transported by running waters and dropped in areas where the current velocity decreases. In old agricultural documents, the term referred to new strips of fertile land added to riverbanks following seasonal floods.