The Cerros de Sal Formation is a geologic formation in the southern Dominican Republic. The coastal claystone preserves coral fossils dating back to the Late Miocene period.Cerros de Sal Formation at Fossilworks.org
See also List of fossiliferous stratigraphic units in the Dominican Republic
References
Further reading T. W. Vaughan, W. Cooke, D. D. Condit, C. P. Ross, W. P. Woodring and F. C. Calkins. 1921. A geological reconnaissance of the Dominican Republic. Geological Survey of the Dominican Republic Memoir 1:1-268