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Chronostratigraphy of Ohio
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Chronostratigraphy
of
Ohio
Ph
Pz
P
Cisuralian
Dunkard Group
Greene Formation
Washington Formation
C
⁋
Gzhelian
Dunkard Group
Waynesburg Formation
Monongahela Group
Uniontown Formation
Pittsburgh Formation
Kasimovian
Conemaugh Group
Casselman Formation
Glenshaw Formation
Moscovian
Allegheny Group
Pottsville Group
M
Viséan
Maxville Limestone
Tournaisian
Cuyahoga Formation
Logan Formation
Sunbury Shale
Coldwater Shale
Rushville Shale
D
Upper
Famennian
Bedford Shale
Berea Sandstone
Cussewago Sandstone
Ohio Shale
Cleveland Shale
Chagrin Shale
Huron Shale
)
Frasnian
Burket Shale
Olentangy Shale
(upper)
Antrim Shale
Java Formation
West Falls Group
Angola Shale
Rhinestreet Shale
Middle
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
Dundee Formation
Lucas Dolomite
Onondaga Limestone
Tenmile Creek Dolomite
Lower
Emsian
Amherstburg Dolomite
Detroit River Group
Hillsboro Sandstone
Lochkovian
Holland Quarry Shale
Bass Islands Dolomite
Bois Blanc Formation
Helderberg Group
Oriskany Sandstone
Sylvania Sandstone
S
Pridoli
Bertie Formation
Ludlow
Ludfordian
Salina Group
Gorstian
Salina Group
Guelph Dolomite
Salina Group
Greenfield Dolomite
Tymochtee Dolomite
Wenlock
Homerian
Lockport Group
Gasport Dolomite
Guelph Dolomite
Goat Island Dolomite
Bisher Formation
Cedarville Formation
Dayton Formation
Estill Shale
Euphemia Dolomite
Laurel Limestone
Lilley Formation
Massie Shale
Osgood Shale
Peebles Dolomite
Rochester Shale
Springfield Dolomite
Llandovery
Brassfield Formation
Cabot Head Shale
Clinton Formation
Drowning Creek Formation
Manitoulin Dolomite
O
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
Є
Furongian
Conasauga Formation
Eau Claire Formation
Kerbel Formation
Knox Dolomite
Rome Formation
Mt. Simon Sandstone
pЄ
♇
Z
Swift Run Formation
Middle Run Formation