Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. combination inorganic/organic material
7. soil
8. [soil by composition or origin]

Narrower term/s

• silt
• sapropel

Anotations

Scope note:

Eroded matter from preexisting rocks which is carried and deposited by water, wind, or ice, forming layers on the Earth's surface and fluvial deposits. Sedimentary rock.is composed of consolidated sediment.