Usage:
Naranjito Formation (PR*)
Geologic age:
Late Cretaceous(?) to Paleocene*
Type section, locality, area and/or origin of name:
Type section: exposures in road cuts on Highway 825 and in adjacent stream banks north of the town of Naranjito (Puerto Rico Meter Grid System 172,160 E.; 52,350 N. to 172,050 E.; 52,070 N.), western border of the Naranjito quadrangle, north-central Puerto Rico (Pease, 1968).
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 ([ ]).