Bell_Springs_Formation

Bell Springs Formation

Bell Springs Formation

Stratigraphic Unit in Wyoming and Utah

The Bell Springs is a member of the Nugget Sandstone in Wyoming and a formation in Utah.[1] It is a Late Triassic (Norian to Rhaetian)[2] Fossil theropod tracks assigned to Agialopous wyomingensis have been reported from the formation.[3][4]

Quick Facts Type, Lithology ...

The formation composed of very fine grained limy sandstone that is distinguished from upper part of Nugget by presence of red to purple-red shale and lime cemented siltstone in beds less than 0.1 ft thick and by presence of calcareous firmly indurated beds 1-4 ft thick that are ripple laminated and weather to square faced ledges. May correlate with upper part of Chinle Formation. [5]

See also

References

  1. [1]
    "National Geologic Map Database". Retrieved January 22, 2023.
  2. [2]
    Bell Springs Formation at Fossilworks.org
  3. [3]
    Weishampel et al., 2004, pp.517-607
  4. [4]
    Branson & Mehl, 1932
  5. [5]
    Pipiringos, G.N., 1968, Correlation and nomenclature of some Triassic and Jurassic rocks in south-central Wyoming, IN Shorter contributions to general geology, 1967: U.S. Geological Survey Professional Paper, 594-D, p. D1-D26.

Bibliography

  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
  • Branson, E. B., and M. G. Mehl. 1932. Footprint records from Cretaceous, Triassic, and Pennsylvanian. Bulletin of the Geological Society of America 42. 284–285. .
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