Ponce Limestone (PR*)
late Tertiary (late Miocene and Pliocene)*
Type area: exposures extending 55 km, from hills 5 km southeast of Juana Diaz to Ponce, and westward from Ponce to Bahia Montalva, Ponce quadrangle, Puerto Rico (Berkey, 1915).
Caribbean region*
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Asterisk (*) indicates published by U.S. Geological Survey authors.
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Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).