Noun
Deposits of earth, sand, gravel, and other transported matter, made by rivers, floods, or other causes, upon land not permanently submerged beneath the waters of lakes or seas.
Source: Webster's dictionaryThat ere long, now that curiosity has been so much excited on this subject, some human remains will be detected in the older alluvium of European valleys, I confidently expect. Charles Lyell
The Indo-Gangetic belt is the world's most extensive expanse of uninterrupted alluvium formed by the deposition of silt by the numerous rivers. Source: Internet
Similarly Romney Marsh and Dungeness have been formed by accumulation of alluvium. Source: Internet
These are small lakes formed when large ice blocks that are trapped in alluvium melt and produce water-filled depressions. Source: Internet
Thus, along much of the Brent's present-day course, one can make out the water meadows of rich alluvium, which is augmented by frequent floods. Source: Internet
In the ancient alluvium that makes up most of the Los Angeles basin, oil, grease, and bacteria break down. Source: Internet