Coordinates: 40°00′N 107°54′W / 40.0°N 107.9°W / 40.0; -107.9

DeBeque Formation

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DeBeque Formation
Stratigraphic range: Late Paleocene-Early Eocene (Clarkforkian-Wasatchian)
~56–50 Ma
File:Coryphodon lobatus.jpg
Fossil from the DeBeque Formation
TypeFormation
Sub-unitsAtwell Gulch Member
Lithology
PrimaryClaystone
Location
CoordinatesLua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value).
Approximate paleocoordinatesLua error: callParserFunction: function "#coordinates" was not found.
RegionColorado
CountryUnited States
DeBeque Formation (the United States)
DeBeque Formation (Colorado)

The DeBeque Formation is a geologic formation in Colorado's Piceance Basin,[1] preserving fossils which date back to the Late Paleocene to Early Eocene period (Clarkforkian to Wasatchian in the NALMA classification.[2][3] Examples of these fossils are held in the University of Colorado Museum of Natural History.[4]

Wasatchian correlations

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Wasatchian correlations in North America
Formation Wasatch DeBeque Claron Indian Meadows Pass Peak Tatman Willwood Golden Valley Coldwater Allenby Kamloops Ootsa Lake Margaret Nanjemoy Hatchetigbee Tetas de Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA)
Bumbanian (ALMA) • Mangaorapan (NZ)
Basin Powder River
Uinta
Piceance
Colorado Plateau
Wind River
Green River
Bighorn		 Piceance
Colorado Plateau


Wind River



Green River





Bighorn		 Williston Okanagan Princeton Buck Creek Nechako Sverdrup Potomac GoM Laguna Salada Rio Grande North Park Raton Galisteo San Juan
Country File:Flag of the United States (23px).png United States File:Flag of Canada (Pantone).svg Canada File:Flag of the United States (23px).png United States File:Flag of Mexico.svg Mexico File:Flag of the United States (23px).png United States
Copelemur File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg
Coryphodon File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg
Diacodexis File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg
Homogalax File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg
Oxyaena File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg
Paramys File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg File:Orange pog.svg
Primates File:Brown pog.svg File:Brown pog.svg File:Brown pog.svg File:Brown pog.svg File:Brown pog.svg File:Brown pog.svg File:Brown pog.svg
Birds File:White pog.svg File:White pog.svg File:White pog.svg File:White pog.svg File:White pog.svg
Reptiles File:SpringGreen pog.svg File:SpringGreen pog.svg File:SpringGreen pog.svg File:SpringGreen pog.svg File:SpringGreen pog.svg File:SpringGreen pog.svg File:SpringGreen pog.svg
Fish File:Blue pog.svg File:Blue pog.svg File:Blue pog.svg File:Blue pog.svg File:Blue pog.svg File:Blue pog.svg File:Blue pog.svg
Insects File:Steel pog.svg File:Steel pog.svg File:Steel pog.svg File:Steel pog.svg File:Steel pog.svg File:Steel pog.svg
Flora File:Green pog.svg File:Green pog.svg File:Green pog.svg File:Green pog.svg File:Green pog.svg File:Green pog.svg File:Green pog.svg File:Green pog.svg File:Green pog.svg
Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial
File:Pink ff0080 pog.svg Wasatchian volcanoclastics

File:Orange pog.svg Wasatchian fauna

Volcanic Yes No Yes No Yes No Yes No Yes No

See also

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References

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  1. ^ Bown & Kihm, 1981
  2. ^ DeBeque Formation at Fossilworks.org
  3. ^ Hirsch et al., 1997
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

Bibliography

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  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). JSTOR 4523812
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). JSTOR 1304347

Further reading

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  • A. J. Lichtig and S. G. Lucas. 2015. Paleocene-Eocene turtles of the Piceance Creek Basin, Colorado. New Mexico Museum of Natural History and Science Bulletin 67:145-152
  • A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado
  • K. P. Schmidt. 1938. New crocodilians from the upper Paleocene of western Colorado. Geological Series of Field Museum of Natural History 6(21):315-321


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