Template:Chronostratigraphy of Illinois/sandbox
v
t
e
Chronostratigraphy
of
Illinois
Ph
Cz
Q
Holocene
Glacial alluvium, drift, and loess
Pleistocene
Glacial alluvium, drift, and loess
N
Grover Gravel
Mounds Gravel
Pe
Eocene
Claiborne Formation
Wilcox Formation
Paleocene
Clayton Formation
Porters Creek Formation
Mz
K
Upper
Maastrichtian
McNairy Formation
Owl Creek Formation
Campanian
Baylis Formation
Post Creek Formation
Tuscaloosa Formation
Pz
C
⁋
Kasimovian
Bond Formation
Mattoon Formation
Patoka Formation
Shelburn Formation
Moscovian
Carbondale Formation
Tradewater Formation
Bashkirian
Caseyville Formation
Tradewater Formation
M
Serpukhovian
Clore Formation
Dagonia Sandstone
Kinkaid Limestone
Menard Limestone
Palestine Sandstone
Viséan
Aux Vases Sandstone
Beech Creek Limestone
Bethel Sandstone
Cypress Sandstone
Downeys Bluff Limestone
Glen Dean Limestone
Golconda Formation
Hardinsburg Sandstone
Paint Creek Formation
Paoli Limestone
Renault Limestone
Ridenhower Formation
Ste. Genevieve Limestone
Yankeetown Limestone
Tournaisian
Borden Siltstone
Chouteau Limestone
Fern Glen Formation
Meppen Limestone
New Albany Formation
Springville Shale
Borden Siltstone
Burlington Limestone
Fort Payne Formation
Keokuk Limestone
Salem Limestone
St. Louis Limestone
Tar Springs Sandstone
Ullin Limestone
Vienna Limestone
Waltersburg Formation
Warsaw Formation
D
Upper
Famennian
New Albany Formation
Frasnian
New Albany Formation
Middle
Givetian
Cedar Valley Limestone
St. Laurent Formation
Eifelian
Detroit River Formation
Grand Tower Limestone
Wapsinicon Limestone
Lower
Emsian
Clear Creek Formation
Pragian
Backbone Limestone
Flat Gap Limestone
Grassy Knob Formation
Lochkovian
Bailey Limestone
S
Pridoli
Bailey Limestone
Moccasin Springs Formation
Ludlow
Ludfordian
Moccasin Springs Formation
Racine Dolomite
Gorstian
Moccasin Springs Formation
Racine Dolomite
Wenlock
Homerian
Moccasin Springs Formation
Racine Dolomite
Sugar Run Dolomite
Sheinwoodian
Joliet Dolomite
Marcus Dolomite
St. Clair Limestone
Llandovery
Telychian
Marcus Dolomite
Sexton Creek Limestone
Aeronian
Sexton Creek Limestone
Rhuddanian
Bowling Green Dolomite
Brainard Shale
Fort Atkinson Limestone
Neda Formation
Blanding Dolomite
Kankakee Dolomite
Mosalem Formation
Sweeney Dolomite
Tete des Morts Dolomite
O
Upper
Hirnantian
Leemon Formation
Sandbian
St. Peter Sandstone
Cape Limestone
Decorah Formation
Dubuque Formation
Dunleith Formation
Glenwood Formation
Grand Detour Formation
Joachim Dolomite
Kimmswick Limestone
Maquoketa Formation
Mifflin Formation
Nachusa Formation
Pecatonica Formation
Plattin Limestone
Quimbys Mill Formation
Scales Shale
Wise Lake Formation
Middle
Darriwilian
Dutchtown Limestone
St. Peter Sandstone
Everton Formation
Lower
Tremadocian
New Richmond Sandstone
Oneota Dolomite
Shakopee Dolomite
Є
Bonneterre Formation
Davis Formation
Derby-Doerun Formation
Eau Claire Formation
Eminence Dolomite
Franconia Formation
Galesville Sandstone
Ironton Formation
Jordan Sandstone
Mt. Simon Sandstone
Potosi Dolomite