Ringbone Formation
The Ringbone Formation is a Campanian geologic formation in New Mexico. The formation comprises mudstones and yellow sandstones deposited in a lacustrine to deltaic environment.[1] Dinosaur remains of tyrannosaurs and hadrosaurs are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[2]
| Ringbone Formation Stratigraphic range: Campanian ~84–71 Ma | |
|---|---|
| Type | Geological formation |
| Lithology | |
| Primary | Mudstone |
| Other | Sandstone |
| Location | |
| Coordinates | 31.9°N 108.5°W |
| Approximate paleocoordinates | 39.3°N 80.7°W |
| Region | New Mexico |
| Country |  |
  Ringbone Formation (the United States)  Ringbone Formation (New Mexico) | |
See also
- List of dinosaur-bearing rock formations
References
- Little Hatchet Mountains at Fossilworks.org
- Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
Bibliography
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
Further reading
- S. G. Lucas, G. Basabilvazo, and T. F. Lawson. 1990. Late Cretaceous dinosaur from the Ringbone Formation, southwestern New Mexico, USA. Cretaceous Research 11:343-349
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