Search:Quaternary System

Read about the Quaternary System

Stratigraphic column is from Geology of Illinois, Kolata and Nimz, eds.(2010).

Quaternary System Ashmore Tongue West Lebanon Formation Two Rivers Member Kewaunee Formation Grigg tongue County Line (Alburnett) silt Lemont Formation Wolf Creek Formation Crowleys Ridge Silt Alburnett Formation Oak formation Mascoutah facies Canteen member Beverly Tongue Omphghent member Mason Group Manitowoc Member Quaternary System Pleistocene Series Holocene Series Modern Soil Cahokia Alluvium Grayslake Peat Parkland Sand Lacon Formation Peyton Colluvium Peoria Silt Lake Michigan Formation Ravinia Sand Member Waukegan Member Lake Forest Member Winnetka Member Richland Loess Sheboygan Member Wilmette Bed South Haven Member Equality Formation Lake Michigan Member Henry Formation Carmi Member Dolton Member Mackinaw Member Batavia Member Wasco Member Wedron Group Shorewood Member Wadsworth Formation Haeger Member Yorkville Member Malden Till Member Snider Till Member Jules Soil Tiskilwa Formation Batestown Member Piatt Member Delavan Member Lee Center Till Member Esmond Till Member Glenburn Till Member Oakland Till Member Morton Tongue Farmdale Soil Robein Member Peddicord Tongue Roxana Silt Winnebago Formation Meadow Loess Member Capron Till Member McDonough Loess Member Pleasant Grove Soil Plano Silt Member Chapin Soil Markham Silt Member Argyle Till Member Sangamon Soil Glasford Formation Berry Clay Member Loveland Silt Teneriffe Silt Pearl Formation Radnor Till Member Sterling Till Member Toulon Member Winslow Till Member Hagarstown Member Roby Silt Member Hulick Till Member Ogle Till Member Vandalia Till Member Duncan Mills Member Mulberry Grove Silt Member Pike Soil Kellerville Till Member Smithboro Till Member Petersburg Silt Yarmouth Soil Banner Formation Lierle Clay Member Tilton Till Member Hillery Till Member Harkness Silt Member Harmattan Till Member Belgium Member Sankoty Sand Member Mahomet Sand Member Hegeler Till Member Afton Soil Enion Formation Grover Gravel Mounds Gravel