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National Geologic Map Database
Geologic Unit: San Diego
Map showing publication footprint
  • Usage in publication:
    • San Diego Formation†
  • Modifications:
    • Abandoned
Publication:

Briggs, R.P., 1973, The Lower Cretaceous Figuera Lava and Fajardo Formation in the stratigraphy of northeastern Puerto Rico, IN Contributions to stratigraphy: U.S. Geological Survey Bulletin, 1372-G, p. G1-G10.


Summary:

San Diego presumed to be abandoned because author says that rocks overlying the Fajardo in the vicinity of Cabezas de San Juan were included in San Diego Formation but the name in current usage is applied to an entirely different rock elsewhere in PR.

Source: GNU records (USGS DDS-6; Reston GNULEX).


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 ([ ]).

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