Paso del Sapo Formation
The Paso del Sapo Formation is a Maastrichtian geologic formation of the Cañadón Asfalto Basin in Argentina. The siltstones of the formation were deposited in a lacustrine environment. Plesiosaur remains are among the fossils that have been recovered from its strata.
Paso del Sapo Formation Stratigraphic range: Maastrichtian ~70–66 Ma | |
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Type | Geological formation |
Underlies | La Colonia & Lefipán Formations |
Overlies | Cerro Barcino Formation |
Lithology | |
Primary | Siltstone |
Location | |
Coordinates | 42.7°S 70.0°W |
Approximate paleocoordinates | 44.9°S 58.5°W |
Region | ![]() |
Country | ![]() |
Extent | Cañadón Asfalto Basin |
Type section | |
Named for | Paso del Sapo |
![]() ![]() Paso del Sapo Formation (Argentina) |
Fossil content
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Geologic map of outcrops of the formation
- Aristonectes parvidens[1]
- Ptychoceratodus sp.
- Flora
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References
- Cañadón del Loro at Fossilworks.org
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