Answer:
Alluvium
Explanation:
Unlike solid rock Alluvium is loosely compacted, unconsolidated eroded
soil or sediment that has been reshaped by water and redeposited in a non-marine environment. It is typically made up of a various materials, such as fine
silt and clay particles and large sand particles as well as gravel. When alluvial material is consolidated into a lithological unit, or lithified, it is known as an alluvial deposit.
