Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. rock (inorganic material)
8. sedimentary rock
9. [sedimentary rock by composition]
10. carbonate rock
11. limestone
12. [limestone by composition]
13. carbonaceous limestone

Anotations

Scope note:

A type of coarse limestone found in many parts of India; found in large tabular strata or interspersed throughout the surface soil. It is used in construction, burned to lime, and as a binding to form a compact, hard, and even surface.