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  • Usage in publication:
    • Collores member
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Caribbean region
Publication:

Pessagno, E.A., Jr., 1960, Geology of the Ponce-Coamo area, Puerto Rico: Puerto Rico Economic Development Administration, p. 94-103., Prepared in cooperation with Princeton Univ. Dept. Geol


Summary:

Augustinillo Formation named in Jacaguas Group. Consists of 17,000 ft of marine sediments. Includes the Collores Member to the east and the Monserrate Member to the west. Interfingers with the Naranjo Formation, and may interfinger with the Rio Culebrinas Formation to the west.

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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