The Dolores Formation is a geologic formation in Uruguay. The formation is dated to the Late Pleistocene-Early Holocene. Performing optically stimulated luminescence and thermoluminescence methods on sand samples from different locations within the formation produced ages between 32,230 ± 2,640 and 10,570 ± 990 years ago, while a set of calibrated radiocarbon dating based on organic soil, wood, and mammal teeth resulted in ages between 27,436 and 11,857 years ago.^[1]

Fossil content

The following fossils have been reported from the formation:

• Catonyx cuvieri^[2]
• Hippidion
• Lestodon armatus^[3]
• Macrauchenia
• Panochthus tuberculatus^[4]
• Smilodon fatalis^[5]
• Smilodon populator^[6]
• Notiomastodon platensis^[7]
• Toxodon

See also

• List of fossiliferous stratigraphic units in Uruguay

References

Bibliography

• Martínez, Sergio A.; Ubilla, M. (2009), El Cuaternario en Uruguay, Universidad de la República de Uruguay, p. 211, retrieved 2019-02-12

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