Wikimedi'Òc

Limestone etched section KopeFm.jpg - BotMultichillT

BrassfieldLimestoneClose050412.jpg - Slick-o-bot

Bull Fork Formation Caesar Creek Ohio.JPG - Wilson44691

BrassfieldEncrinite041915.JPG - Wilson44691

Flint nodules in limestone (Upper Mercer Limestone, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 2 (30214586343).jpg - Ser Amantio di Nicolao

Flint nodules in limestone (Upper Mercer Limestone, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 1 (30762010801).jpg - Ser Amantio di Nicolao

Normal fault in Silurian limestone (beach cobble, shoreline at western end of South Bass Island, far-northern Ohio, western Lake Erie, USA) (14973282787).jpg - Ser Amantio di Nicolao

Vug with aragonite crystals in arenaceous, ferruginous, fossiliferous limestone (Vinton Member, Logan Formation, Lower Mississippian; Mt. Calvary Cemetery Outcrop - Rt. 13 roadcut, Heath, east-central Ohio, USA) 3 (15630984930).jpg - Ser Amantio di Nicolao

Dundee Limestone over Lucas Dolomite (Middle Devonian; Auglaize Quarry, near Junction, Ohio, USA) 3 (48888468143).jpg - Ser Amantio di Nicolao

Dundee Limestone over Lucas Dolomite (Middle Devonian; Auglaize Quarry, near Junction, Ohio, USA) 8 (48888461318).jpg - Ser Amantio di Nicolao

Nineveh Limestone (Greene Formation, Lower Permian; Clark Hill section, Monroe County, Ohio, USA) 12 (29410614150).jpg - Ser Amantio di Nicolao

Leptaena fossil brachiopods in fossiliferous limestone (Middle Devonian; Olentangy River bank near Lazarus Run, Delaware County, Ohio, USA) 6 (30425330594).jpg - Ser Amantio di Nicolao

Tentaculite in Devonian limestone (48873661118).jpg - Ser Amantio di Nicolao

Cone-in-cone limestone (likely an interbed from the Ohio Shale, Upper Devonian; Alum Creek Lake area, Delaware County, Ohio, USA) 1.jpg - Ser Amantio di Nicolao

Fishpot Limestone (Upper Pennsylvanian; Pipe Creek Road outcrop, Belmont County, Ohio, USA) 2.jpg - Ser Amantio di Nicolao