Aymamón Limestone

The Aymamón Limestone is a geologic formation in Puerto Rico. It preserves fossils dating back to the Middle to Late Miocene period.[1]

Aymamón Limestone
Stratigraphic range: Mid-to-Late Miocene
~16.0–5.3 Ma
TypeFormation
Lithology
PrimaryLimestone
OtherChalk
Location
Coordinates18.5°N 67.0°W / 18.5; -67.0
Approximate paleocoordinates18.4°N 66.0°W / 18.4; -66.0
RegionCaribbean
CountryPuerto Rico
Aymamón Limestone (Puerto Rico)

Fossil content

Various fossils have been found in the Aymamón Limestone:[2]

Sharks

Bivalves

Gastropods

Corals

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See also

  • List of fossiliferous stratigraphic units in Puerto Rico

References

Further reading

  • E. N. Edinger and M. J. Risk. 1994. Oligocene-Miocene extinction and geographic restriction od Caribbean corals: Roles of turbidity, termperature, and nutrients. Palaios 9:576-598
  • A. M. Nieves Rivera, A. C. Ruiz Yantin, and M. D. Gottfried. 2003. New Record of the Lamnid Shark Carcharodon megalodon from the Middle Miocene of Puerto Rico. Caribbean Journal of Science 39(2):223-227
  • H. E. Vokes and E. H. Vokes. 1968. Variation in the genus Orthaulax (Mollusca: Gastropoda). Tulane Studies in Geology and Paleontology 6(2):71-84
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