Usage:
Toyosa Member of Maravillas Formation (PR*)
Geologic age:
Late Cretaceous (Campanian to Maastrichtian)*
Type section, locality, area and/or origin of name:
Type section: along Highway 111 to the junction with Highway 553, then southward along Highway 553 (Puerto Rico Meter Grid System 149,370 E.; 34,460 N. to 150,000 E.; 33,820 N.), Orocovis quadrangle, Puerto Rico (Briggs, 1969).
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 ([ ]).