Cavalier County Northeast EdgeNorthern Rockies

#344, project 1, show in map.

Age (Ma)
0.50.0
Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Oahe Formation
Dahlen Formation
Coleharbor Group
Gardar Formation
Vang Formation
71.1 Ma
1201101009080
Mesozoic
Cretaceous
Late Cretaceous
Maastrichtian
Campanian
Santonian
Coniacian
Turonian
Cenomanian
Early Cretaceous
Albian
Aptian
Pierre Formation
Niobrara Formation
Carlile Formation
Greenhorn Formation
Belle Fourche Formation
Mowry Formation and Skull Creek Fm
Inyan Kara Formation
38.4 Ma
162160
Mesozoic
Jurassic
Late Jurassic
Oxfordian
Swift Formation and Rierdon Fm
5.0 Ma
168
Mesozoic
Jurassic
Middle Jurassic
Bathonian
Bajocian
Piper Formation
79.5 Ma
250
Mesozoic
Triassic
Early Triassic
Olenekian
Induan
Spearfish Formation
101.4 Ma
355
Paleozoic
Carboniferous
Mississippian
Tournaisian
Lodgepole Formation
16.3 Ma
390385380375
Paleozoic
Devonian
Late Devonian
Frasnian
Middle Devonian
Givetian
Eifelian
Early Devonian
Emsian
Birdbear Formation
Duperow Formation
Souris River Formation
Dawson Bay Formation
Prairie Formation
Winnipegosis Formation
38.6 Ma
455450445440435
Paleozoic
Silurian
Wenlock
Sheinwoodian
Llandovery
Telychian
Aeronian
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Katian
Sandbian
Middle Ordovician
Darriwilian
Interlake Formation
Stonewall Formation
Stony Mountain Formation
Red River Formation
Roughlock Formation
Icebox Formation
Black Island Formation
2131.6 Ma
2,8002,7502,7002,6502,600
Neoarchean
Mesoarchean
Superior Craton