Usage:
Palmarejo Formation (PR*)
Geologic age:
early Tertiary (Paleocene and Eocene)*
Type section, locality, area and/or origin of name:
Type locality: valley of the Rio Mavilla, btw. 166,960 E. and 167,220 E. (Puerto Rico Meter Grid System), 750 m south-southeast of Escuela Segunda Unidad de Palmarejo. Named from exposures in Barrio Palmarejo, Corozal quadrangle, northern Puerto Rico (Nelson, 1966).
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 ([ ]).