Usage:
Aguas Buenas Limestone Member of Torrecilla Breccia (PR*)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type locality: quarry (Puerto Rico Meter Grid System 183,640 E.; 41,430 N.) on northwest side of Quebrada la Zapera, 4.1 km north-northeast of Cidra, Comerio quadrangle, north-central Puerto Rico (Briggs, 1969).
Type area: in zone of well-developed karst topography, in Barrio Sumidero, about 3 km due south of Aguas Buenas, Comerio quadrangle, north-central Puerto Rico (Briggs, 1969).
Named from occurrences near town of Aguas Buenas, San Juan district, north-central Puerto Rico (D.R. Semmes, 1919, New York Acad. Sci., Scientific survey of Porto Rico and Virgin Islands, v. 1, p. 64; US geologic names lexicon, USGS Bull. 1200).
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 ([ ]).