Redwillow County, NebraskaMidcontinent

#92, project 1, show in map.

Age (Ma)
1.00.50.0
Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Bignell Formation
Peoria Formation
Sangamon Paleosol
Loveland Formation

Unnamed

0.7 Ma
2.0
Cenozoic
Quaternary
Pleistocene
Calabrian
Gelasian
Undifferentiated
5.1 Ma
10
Cenozoic
Neogene
Miocene
Messinian
Tortonian
Serravallian
Ash Hollow Formation
74.0 Ma
1009590
Mesozoic
Cretaceous
Late Cretaceous
Santonian
Coniacian
Turonian
Cenomanian
Early Cretaceous
Albian
Niobrara Formation
Graneros Formation
Dakota Group

Carlile Formation

Greenhorn Formation

45.5 Ma
150
Mesozoic
Jurassic
Late Jurassic
Tithonian
Kimmeridgian
Morrison Formation
118.2 Ma
312310308306304302300298296294292290288286284282280278276274
Paleozoic
Permian
Cisuralian
Kungurian
Artinskian
Sakmarian
Asselian
Carboniferous
Pennsylvanian
Gzhelian
Kasimovian
Moscovian
Blaine Formation
Undifferentiated Nippewalla
Stone Corral Formation
Sumner Group
Chase Group and Council Grove Gp
Foraker Formation
Admire Group
Wabaunsee Group
Pleasanton Group and Marmaton Gp and Cheeroke Gp

Topeka Formation

Calhoun Formation

Deer Creek Formation

Tecumseh Formation

Lecompton Formation

Kanwaka Formation

Oread Formation

Lawrence Formation

Cass Formation

Plattford Formation

Stanton Formation

Vilas Formation

Plattsburg Formation

Bonner Springs Formation

Wyandotte Formation

Lane Formation

Iola Formation

Chanute Formation

Drum Formation

Quivira Formation

Sarpy Formation

Fontana Formation

Dennis Formation

Galesburg Formation

Swope Formation

Ladore Formation

Hertha Formation

1088.0 Ma
1,7501,7001,6501,6001,5501,5001,4501,400
Mesoproterozoic
Ectasian
Calymmian
Paleoproterozoic
Statherian
Unnamed