Livingston Formation Explained

Livingston Group
Type:	Geological formation
Age:	Late Cretaceous
Region:	North America
Country:	United States
Subunits:	Cokedale Formation, Miner Creek Formation, Billman Creek Formation, Hoppers Formation
Underlies:	Fort Union Formation
Overlies:	Eagle Sandstone

The Livingston Group is a geological formation in Montana whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.^[1]

There are four units of the Livingston Group (from oldest to youngest): Cokedale Formation, Miner Creek Formation, Billman Creek Formation, and Hoppers Formation.^[2]

See also

• List of dinosaur-bearing rock formations

Notes and References

1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. .
2. Skipp, Betty and McGrew, L.W., 1972, The Upper Cretaceous Livingston Group of the western Crazy Mountains Basin, Montana, in Balster, C., Lynn, J., and Warne, J., eds., Crazy Mountains Basin: Montana Geological Society 21st Annual Geological Conference Guidebook, p. 99-106.