General terms:
* Sediments: This is a broad term for any loose, solid material that is transported and deposited by wind, water, ice, or gravity.
* Deposits: This is a general term for any material that is left behind by a natural process.
More specific terms:
* Alluvium: These are sediments deposited by rivers.
* Colluvium: These are sediments deposited by gravity, often on hillslopes.
* Loess: This is a type of fine-grained sediment deposited by wind.
* Glacial till: This is a mixture of rocks, gravel, sand, and clay deposited by glaciers.
* Volcanic ash: This is fine-grained material ejected from volcanoes that can settle over large areas.
Other terms:
* Accretion: This refers to the gradual increase in land area, often due to the deposition of sediments.
* Aggradation: This refers to the process of building up a landform, such as a river channel, by sediment deposition.
The best term to use will depend on the specific context.
