Langbahn Team – Weltmeisterschaft

Cannonball Formation

Cannonball Formation
Stratigraphic range: Paleogene
TypeFormation
UnderliesBullion Creek Formation, Slope Formation
OverliesHell Creek Formation, Ludlow Formation
Location
RegionNorth Dakota
CountryUnited States

The Cannonball Formation is a geologic formation in western North Dakota.[1] It preserves fossils dating back to the Paleogene Period.

See also

References

  1. ^ Bluemle, John P. 1988. "Generalized Bedrock Geological Map of North Dakota" (PDF). North Dakota Geological Survey, Miscellaneous Map 28. Retrieved 2017-02-03.{{cite web}}: CS1 maint: numeric names: authors list (link)


Quelle: http://en.wikipedia.org/wiki/Cannonball_Formation