Earth:Mercedes Formation, Uruguay
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| Mercedes Formation Stratigraphic range: Campanian-Maastrichtian ~84–66 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | Asencio Formation |
| Overlies | Guichón Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | [ ⚑ ] : 33°24′S 58°18′W / 33.4°S 58.3°W |
| Paleocoordinates | [ ⚑ ] 37°18′S 41°24′W / 37.3°S 41.4°W |
| Region | Río Negro & Soriano Departments |
| Country |  Uruguay |
| Extent | Norte Basin |
| Type section | |
| Named for | Mercedes, Uruguay |
  Mercedes Formation, Uruguay (Uruguay) | |
The Mercedes Formation is a Late Cretaceous (Campanian to Maastrichtian) geologic formation of the Norte Basin in Uruguay. Fossil dinosaur eggs have been reported from the formation.[1] The formation that reaches a thickness of about 100 metres (330 ft),[2] overlies the Guichón Formation and is overlain by the Asencio Formation.[3]
See also
- List of dinosaur-bearing rock formations
- List of stratigraphic units with dinosaur trace fossils
- Dinosaur eggs
- List of stratigraphic units with dinosaur trace fossils
- List of fossiliferous stratigraphic units in Uruguay
References
Bibliography
- Tófalo, Ofelia; Pablo J. Pazos, and Leda Sánchez Bettucci. 2011. Estudio composicional de sedimentitas silicoclásticas y paleosuelos de la Formación Mercedes (Cretácico Superior), Uruguay. Revista de la Asociación Geológica Argentina 68. 615–626. Accessed 2020-08-23.
- 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
Further reading
- G. Faccio. 1994. Dinosaurian eggs from the Upper Cretaceous of Uruguay. In K. Carpenter, K. F. Hirsch & J. R. Horner (eds.), Dinosaur Eggs and Babies 47-55
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