Usage:
Jayuya Tuff (PR*)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type locality: on a trail north from Route 531 up the slope of Cerro Morales (Puerto Rico Meter Grid System 132,730 E.; 44,740 N. to 132,685 E.; 45,190 N.), Jayuya quadrangle, west-central Puerto Rico. Named from exposures north and west of town of Jayuya, Jayuya quadrangle, west-central Puerto Rico (Mattson, 1967).
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 ([ ]).