Usage:
Maricao Formation (PR*)
Geologic age:
Late Cretaceous to early Tertiary (Campanian to Eocene?)*
Type section, locality, area and/or origin of name:
[Principal reference section]: along Route 120 northwest of Hacienda Balare, about 400 m north of Rio Maricao (Puerto Rico Meter Grid System 93,600 E.; 40,000 N.), Mayaguez area, Central la Plata quadrangle, northwestern Puerto Rico (McIntyre and others, 1970).
Named from exposures on Rio Maricao north of Maricao, Mayaguez area, northwestern Puerto Rico (Mattson, 1958).
AAPG geologic province:
Caribbean region*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).