Wikimedi'Òc

Logan Formation over Cuyahoga Formation (Lower Mississippian; Dugway Outcrop, Newark, Ohio, USA) (32767557975).jpg - Ser Amantio di Nicolao

Sandstone-siltstone-shale (Logan Formation, Lower Mississippian; Jackson North roadcut, Ohio, USA) (37258055700).jpg - Ser Amantio di Nicolao

Black shale (Sunbury Shale, Lower Mississippian; Tener Mountain roadcut, southern Ohio, USA) 11 (35690107922).jpg - Ser Amantio di Nicolao

Quartzose sandstone (Berea Sandstone, Upper Devonian to Lower Mississippian; Rocky Fork, Gahanna, Ohio, USA) 3 (33823541213).jpg - Ser Amantio di Nicolao

Quartzose sandstone (Berea Sandstone, Upper Devonian to Lower Mississippian; Rocky Fork, Gahanna, Ohio, USA) 2 (34247836980).jpg - Ser Amantio di Nicolao

Honeycomb weathering (Black Hand Sandstone, Lower Mississippian; Mt. Pleasant, Lancaster, Ohio, USA) 1 (27783170805).jpg - Ser Amantio di Nicolao

Honeycomb weathering (Black Hand Sandstone, Lower Mississippian; Mt. Pleasant, Lancaster, Ohio, USA) 2 (27682960712).jpg - Ser Amantio di Nicolao

Honeycomb weathering (Black Hand Sandstone, Lower Mississippian; Mt. Pleasant, Lancaster, Ohio, USA) 3 (27783146895).jpg - Ser Amantio di Nicolao

Quartzose sandstone (Black Hand Sandstone, Lower Mississippian; Mt. Pleasant, Lancaster, Ohio, USA) 4 (27505927520).jpg - Ser Amantio di Nicolao

Quartzose sandstone (Black Hand Sandstone, Lower Mississippian; Mt. Pleasant, Lancaster, Ohio, USA) 5 (27709781661).jpg - Ser Amantio di Nicolao

Sandstones (Buena Vista Member, Cuyahoga Formation, Lower Mississippian; Pine Quarry Park, Reynoldsburg, Ohio, USA) 13 (35638694191).jpg - Ser Amantio di Nicolao

Fossiliferous ferruginous sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 1 (27067791928).jpg - Ser Amantio di Nicolao

Fossiliferous ferruginous sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 2 (40938940471).jpg - Ser Amantio di Nicolao

Fossiliferous ferruginous sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 3 (27067790868).jpg - Ser Amantio di Nicolao

Fossiliferous ferruginous sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 4 (40044717895).jpg - Ser Amantio di Nicolao

Fossiliferous ferruginous sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 5 (27067790108).jpg - Ser Amantio di Nicolao