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Geologic Unit: Montebello
Map showing publication footprint
  • Usage in publication:
    • Montebello Limestone Member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Caribbean region
Publication:

Nelson, A.E., and Monroe, W.H., 1966, Geology of the Florida quadrangle, Puerto Rico, IN Contributions to general geology, 1965: U.S. Geological Survey Bulletin, 1221-C, p. C1-C22.


Summary:

The Montebello Limestone Member of the Cibao Formation, here named, consists of thin-bedded and cross-bedded limestone overlain by friable massive pure limestone of fine texture. Lies at the base of the Cibao, which rests sharply or disconformably on the Lares Limestone; underlies calcareous clay or marl of the Cibao. Thickness ranges from 30 m at the type locality to to 210 m in central and western parts of the Florida quadrangle. Age is Oligocene and Miocene.

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


Map showing publication footprint
  • Usage in publication:
    • Montebello Limestone Member*
  • 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 Montebello Limestone Member of the Cibao Formation occurs on the north coast of Puerto Rico and consists of chalky limestone, clay, and marl.

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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