Usage:
Cuchillas Member of Avispa Formation of Rio Orocovas Group (PR*)
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Barrio Cuchillas, Municipio de Corozal, along banks of Rio Grande de Manati (Puerto Rico Meter Grid System 159,000 E.; 52,000 N. to 158,660 E.; 52,800 N.), Corozal quadrangle, 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 ([ ]).