Template:Chronostratigraphy of Ohio

Chronostratigraphy of Ohio

Cisuralian	Dunkard Group Greene Formation Washington Formation

Gzhelian	Dunkard Group Waynesburg Formation Monongahela Group Uniontown Formation Pittsburgh Formation
Kasimovian	Conemaugh Group Casselman Formation Glenshaw Formation
Moscovian	Allegheny Group Pottsville Group

Viséan	Maxville Limestone
Tournaisian	Cuyahoga Formation Logan Formation Sunbury Shale
Coldwater Shale Rushville Shale

Famennian	Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale)
Frasnian	Burket Shale Olentangy Shale (upper)

West Falls Group: Angola Shale; Rhinestreet Shale

Givetian	Tully Formation Mahantango Formation Olentangy Shale (lower) Plum Brook Shale Prout Limestone Silica Formation
Eifelian	Amherstburg Dolomite Columbus Limestone Delaware Limestone Detroit River Group Hillsboro Sandstone Marcellus Shale

Emsian	Amherstburg Dolomite Detroit River Group Hillsboro Sandstone
Lochkovian	Holland Quarry Shale

Bertie Formation

Ludfordian	Salina Group
Gorstian	Salina Group Guelph Dolomite

Homerian	Lockport Group Gasport Dolomite Guelph Dolomite Goat Island Dolomite

Brassfield Formation

Cabot Head Shale

Clinton Formation

Drowning Creek Formation

Manitoulin Dolomite

Upper	Arnheim Formation Cincinnati Group Drakes Formation Fairview Formation Grant Lake Formation Kope Formation Liberty Formation Miamitown Shale Queenston Shale Saluda Formation Trenton Limestone Waynesville Formation Whitewater Formation
Middle	Black River Group Lexington Limestone Point Pleasant Formation Trenton Limestone Wells Creek Formation

Furongian	Conasauga Formation Eau Claire Formation Kerbel Formation Knox Dolomite Rome Formation

Mt. Simon Sandstone

Z	Swift Run Formation

Middle Run Formation

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