Usage:
Mariquita Chert (PR*)
Geologic age:
Late Jurassic to Cretaceous (Tithonian to Turonian)*
Type section, locality, area and/or origin of name:
Type locality: discontinuous exposures in Quebrada Cajul north of Las Palmas (Puerto Rico Meter Grid System 78,050 E.; 17,380 N.), and on trails crossing Sierra Bermeja (Vermillion Range). Named from the highest hill, Cerro Mariquita (80,590 E.; 18,820 N.), Parguera quadrangle, southwestern Puerto Rico (Mattson, 1973).
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 ([ ]).