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Map showing publication footprint
  • Usage in publication:
    • Cerro Gordo Lava*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Caribbean region
Publication:

Pease, M.H., Jr., 1968, Cretaceous and lower Tertiary stratigraphy of the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico: U.S. Geological Survey Bulletin, 1253, 57 p.


Summary:

The Cerro Gordo Formation of Lidiak (1965), here revised as Cerro Gordo Lava, consists of lava, flow breccia, and minor tuff and tuff breccia. Is very similar to the Lapa Lava Member of the Robles Formation. Contains a bedded tuff member, 180 m thick. Unconformably overlapped by younger Oligocene and Quaternary strata. Age is Early and Late Cretaceous based on age of Robles.

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


Map showing publication footprint
  • Usage in publication:
    • Cerro Gordo Lava*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Caribbean region
Publication:

Krushensky, R.K., 2001, Geologic map of Puerto Rico with correlation chart and map unit descriptions, IN Bawiec, W.J., and others, Geology, geochemistry, geophysics, mineral ccurrences, and mineral resource assessment for the Commonwealth of Puerto Rico: U.S. Geological Survey Open-File Report, OF-98-38, scale 1:100,000


Summary:

The Cerro Gordo Formation occurs in eastern Puerto Rico and consists of basaltic andesite lava, flow breccia, and minor tuff and tuff breccia. Maximum estimated thickness is 1100 meters. The Cerro Gordo is of Early(?) Cretaceous age.

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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