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Geologic Unit: Cancel
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Map showing publication footprint
  • Usage in publication:
    • Cancel Breccia*
  • Modifications:
    • Named
  • Dominant lithology:
    • Tuff
    • Breccia
    • Lava
  • 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 Cancel Breccia, here named, consists of a heterogeneous assemblage of reddish- to purplish-gray tuff breccia and lapilli tuff with flow breccia and lava in the lower part, confined to the Naranjito and Corozal quadrangles. Unconformably overlies the El Ocho Formation; unconformably underlies the Santa Olaya Lava. Thickness is more than 2,000 m. Age is Early and Late Cretaceous based on correlation of the Cerro Gordo Lava with the Lapa Lava Member of the Robles Formation.

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


Map showing publication footprint
  • Usage in publication:
    • Cancel Breccia*
  • 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 Cancel Breccia occurs in eastern Puerto Rico and consists of andesitic tuff breccia, volcanic breccia, and lava. Maximum exposed thickness is 2000 meters. The Cancel is of Late(?) 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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