Usage:
Vista Alegre Formation (PR*)
Geologic age:
Late(?) Cretaceous*
Type section, locality, area and/or origin of name:
Type exposures: along Route 149, 1.8 km northwest of Cerro Vista Alegre (Puerto Rico Meter Grid System 142,740 E.; 48,000 N. to 142,500 E.; 48,380 N.), in southeastern corner of Florida quadrangle, Puerto Rico (Nelson and Monroe, 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 ([ ]).