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. [limestone by composition: aggregate type]
14. oolitic limestone

Anotations

Scope note:

A noncrystalline massive rock with aggregate filler and a matrix of 98% calcium carbonate in gray and buff colors; it is an oolitic limestone with small round grains resembling fish roe. Almost half of all the limestone used in the United States in block form is Indiana limestone.