fossiliferous

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 120
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 93
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 83
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 68
by James St. John

Encrinite (crinoidal limestone) (Ft. Payne Limestone, Lower Mississippian; Lake Cumberland, Kentucky, USA) 14
by James St. John

Glauconitic fossiliferous limestone (Nada Member, Borden Formation, Lower Mississippian; Interstate-64 roadcut north-northeast of Morehead, Kentucky, USA) 1
by James St. John

Stromatoporoid (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 20
by James St. John

Encrinite (crinoidal limestone) (Ft. Payne Limestone, Lower Mississippian; Lake Cumberland, Kentucky, USA) 19
by James St. John

Wetlands Outside Adel, Oregon, State Route 140
by Ken Lund

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 91
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Sullivant Quarry, Columbus, Ohio, USA) 31
by James St. John

Weathered fossiliferous flint (Vanport Flint, Middle Pennsylvanian; Flint Ridge, Ohio, USA) 4
by James St. John

Elaeacrinus verneuili (fossil blastoid head) (Columbus Limestone, Middle Devonian; Ohio, USA) 3
by James St. John

Fossil plant in carbonaceous shale (top of Pottsville Formation, Middle Pennsylvanian; old coal mine ENE of St. Clair, Pennsylvania, USA) 18
by James St. John

Teleoceras major (barrel-bodied rhinos) (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 1
by James St. John

Brachiopod in fossiliferous limestone (Lowellville Limestone, Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 2
by James St. John

Lafarge Paulding Quarry (near Paulding, Ohio, USA) 10
by James St. John

Fossiliferous limestones & shales (Richmondian Stage, Upper Ordovician; Southgate Hill roadcut, Indiana, USA) 2
by James St. John

Productid brachiopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 4
by James St. John

Encrinite (crinoidal limestone) (Ft. Payne Limestone, Lower Mississippian; Lake Cumberland, Kentucky, USA) 22
by James St. John

State Route 140 Outside of Adel, Oregon
by Ken Lund

Stromatoporoid fossil (Columbus Limestone, Middle Devonian; Columbus, Ohio, USA)
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 84
by James St. John

Fossiliferous bituminous coal (Clarion Coal, Middle Pennsylvanian; Prattsville West Roadcut, Vinton County, Ohio, USA) 13
by James St. John

Boggs Limestone (Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 10
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 80
by James St. John

Plant fossil in claystone (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 28
by James St. John

Well cuttings from the VanWinkle Unit # 1 petroleum well (west of Granville, Ohio, USA) 1
by James St. John

Fossiliferous limestone with crinoid stem (Putnam Hill Limestone, Middle Pennsylvanian; waste rock pile from old clay mine along Blunt Run, Muskingum Township, Muskingum County, Ohio, USA) 2
by James St. John

Encrinite (crinoidal limestone) (Ft. Payne Limestone, Lower Mississippian; Lake Cumberland, Kentucky, USA) 25
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 100
by James St. John

Fossiliferous limestone with phylloidal algae (Putnam Hill Limestone, Middle Pennsylvanian; waste rock pile from old clay mine along Blunt Run, Muskingum Township, Muskingum County, Ohio, USA) 1
by James St. John

Fossiliferous bituminous coal (Clarion Coal, Middle Pennsylvanian; Prattsville West Roadcut, Vinton County, Ohio, USA) 5
by James St. John

Chondrites (trace fossil) in limestone (Waynesville Formation, Upper Ordovician; Roaring Run, Warren County, Ohio, USA)
by James St. John

Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 29
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 81
by James St. John

Posidonia fossil bivalve (Lowellville Shale, Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 2
by James St. John

Teleoceras major (fossil barrel-bodied rhino) in fossiliferous volcanic tuff (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 1
by James St. John

Trilobite packstone (Alum Shale Formation, Upper Cambrian; Kinnekulle Outlier, Västergötland, Sweden) 20
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 88
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 63
by James St. John

87h041: Falls of the Ohio
by Bill Alden

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 9
by James St. John

Brachiopod fossil in weathered limestone (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 1
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 79
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 92
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 85
by James St. John

Zygospira brachiopods in fossiliferous limestone (Point Pleasant Limestone, Upper Ordovician; Bear Creek Quarry, east of Neville, Ohio, USA) 2
by James St. John

Fossiliferous flint mass in limestone (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 17
by James St. John

"Turritella Agate" (fossiliferous chert) (Laney Member, Green River Formation, Middle Eocene; near Wamsutter, Wyoming, USA) 4
by James St. John

Fossil charcoal in sandstone (Pottsville Group, Middle Pennsylvanian; Symmes Creek outcrop, northern Muskingum County, Ohio, USA) 1
by James St. John

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 7
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 82
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 64
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Taylor & Bell Quarry, near Marble Cliff, Ohio, USA) 10
by James St. John

Fossiliferous bituminous coal (Clarion Coal, Middle Pennsylvanian; Prattsville West Roadcut, Vinton County, Ohio, USA) 12
by James St. John

Fusulinid limestone (Iola Formation, Upper Pennsylvanian; Elk County, southeastern Kansas, USA) 1
by James St. John

Encrinite (crinoidal limestone) (Ft. Payne Limestone, Lower Mississippian; Lake Cumberland, Kentucky, USA) 9
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 89
by James St. John

Glacial grooves on limestone (Kelleys Island, Lake Erie, Ohio, USA) 90
by James St. John