U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Cabrillo

Usage:

Cabrillo Formation of Rosario Group (CA*)


Geologic age:

Late Cretaceous*


Type section, locality, area and/or origin of name:

Type section: exposures in sea cliffs 250 m east of new Point Loma Lighthouse, where base is 30 m above mean sea level and top is at top of cliff, Lat. 32 deg. 39 min. 55 sec. N., Long. 117 deg. 14 min. 45 sec. W., Point Loma quadrangle, San Diego Co., CA (Kennedy, 1971).


AAPG geologic province:

Peninsular Ranges province*


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).