Sandstone and Conglomerate

Sandstone and conglomerate are fine-to-medium or coarse-grained rocks, respectively, that represent sand and gravel deposits in which the individual grains are held together by mineral cement. Most sandstone and conglomerate deposits are in the eastern half of the state in rocks of Devonian (Berea Sandstone), Mississippian (Black Hand Sandstone, Buena Vista Sandstone), and Pennsylvanian (

Ohio ranks third in production of dimension sandstone, which is cut into blocks and used in buildings and for decorative stone. These commodities are mined in 18