Mesaverde Formation

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Mesaverde Formation
Stratigraphic range: Late Cretaceous
Type Sedimentary
Underlies Meeteetse Formation, Datil Group (regionally)
Overlies Cody Shale, Mancos Shale
Thickness 200–400 metres (660–1,310 ft)
Lithology
Primary sandstone and shale
Other coal
Location
Extent New Mexico, Utah, Wyoming
Stratigraphic column showing the relationship of the Mesaverde Formation
Mesaverde Gas Fields within the Uinta Basin and Piceance Basin

The Mesaverde Formation is a Late Cretaceous geologic formation found in areas of Colorado, New Mexico, Utah, and Wyoming, in the Western United States.

Geology

The formation is described by W.G. Pierce as interbedded light gray sandstone and gray shale in the upper part; massive, light-buff, ledge-forming sandstone containing thin lenticular coal beds in the lower part.[1]

The formation occurs in various structural basins in the Western United States such as the Piceance Basin, Powder River Basin, Uintah Basin, Washakie Basin, and the Wind River Basin.

Fossils

Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[2]

See also

Footnotes

  1. ^ Pierce, W.G., 1997, Geologic map of the Cody 1 degree x 2 degrees quadrangle, northwestern Wyoming: U.S. Geological Survey, Miscellaneous Geologic Investigations Map I-2500, scale 1:250000.
  2. ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.

References

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.



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