Usage:
Lapa Lava Member of Robles Formation (PR*)
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Type section: exposure west of Rio Lapa in Barrio Lapa, between Rabo del Buey and Capilla de Santa Marta in the U.S. Military Reservation, from base of the hill 1.2 km N. 40 deg. W. of road intersection at Rabo del Buey, west Cayey quadrangle, up ridge to southwest into Coamo quadrangle, Puerto Rico (Berryhill and Glover, 1960).
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 ([ ]).