DeBeque Formation

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DeBeque Formation
Stratigraphic range: Late Paleocene-Early Eocene (Clarkforkian-Wasatchian)
~56–50 Ma
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Fossil from the DeBeque Formation
TypeFormation
Sub-unitsAtwell Gulch Member
Lithology
PrimaryClaystone
Location
CoordinatesLua error: callParserFunction: function "#coordinates" was not found.
Approximate paleocoordinatesLua error: callParserFunction: function "#coordinates" was not found.
RegionColorado
CountryUnited States
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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

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 Lua error in Module:Location_map/multi at line 27: Unable to find the specified location map definition: "Module:Location map/data/North America" does not exist.
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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

References

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  1. ^ Bown & Kihm, 1981
  2. ^ DeBeque Formation at Fossilworks.org
  3. ^ Hirsch et al., 1997
  4. ^ Page Module:Citation/CS1/styles.css has no content."Collections". Museum of Natural History. 24 May 2016. Retrieved 10 November 2019.

Bibliography

Further reading

  • 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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