Barros Tuff Member of Torrecilla Breccia (PR*)
late Early Cretaceous (Albian)*
Type section: Along foot trail descending a ridge about 1 km northwest of Orocovis, Barrio Barros, 44,280 N.; 156,120 E., to 44,380 N.; 155,850 E., Orocovis quadrangle, central Puerto Rico (Briggs, 1969).
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 ([ ]).