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]
Livingston Group | |
---|---|
Stratigraphic range: Late Cretaceous | |
Type | Geological formation |
Sub-units | Cokedale Formation, Miner Creek Formation, Billman Creek Formation, Hoppers Formation |
Underlies | Fort Union Formation |
Overlies | Eagle Sandstone |
Location | |
Region | North America |
Country | ![]() ![]() |
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
editReferences
edit- ^ 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. ISBN 0-520-24209-2.
- ^ 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.
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