No current usage.
(†Mal Paso Formation (PR) abandoned.)
early Tertiary (early middle Eocene)
Type area: along Route 416, for distance of 2.7 km, beginning from north border of the Rincon quadrangle, Barrios Mal Paso and Piedras Blancas, Municipio de Aguada, Rincon quadrangle, west-central Puerto Rico (McIntyre and others, 1970).
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 ([ ]).