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Map showing publication footprint
  • Usage in publication:
    • Blue Bluffs division
  • Modifications:
    • Original reference
  • AAPG geologic province:
    • Ouachita folded belt
Publication:

Hill, R.T., 1889, A preliminary annotated check list of the Cretaceous invertebrate fossils of Texas, accompanied by a short description of the lithology and stratigraphy of the system: University of Texas Bulletin, no. 4, 57 p. [Available online from the University of Texas-Austin Virtual Landscapes of Texas: http://www.lib.utexas.edu/books/landscapes/]


Summary:

Pg. xiii. EXOGYRA PONDEROSA marls or Blue Bluff division. Underlies Glauconitic division and overlies Austin-Dallas chalk. [Age is Late Cretaceous (Gulf).]
[Named for blue bluffs of Colorado River, Travis Co., central TX.]

Source: US geologic names lexicon (USGS Bull. 896, p. 218).


Map showing publication footprint
  • Usage in publication:
    • Blue Bluffs division†
  • Modifications:
    • Abandoned
Publication:

Wilmarth, M.G., 1935, [Selected Geologic Names Committee remarks (ca. 1935-1938) on Cretaceous rocks of the U.S.], IN Wilmarth, M.G., 1938, Lexicon of geologic names of the United States (including Alaska): U.S. Geological Survey Bulletin, 896, pts. 1-2, 2396 p.


Summary:

†Blue Bluffs division abandoned. Is same as Taylor marl. (See R.T. Hill, 1892, Artesian Inv. Final Rpt., pt. 3, p. 73, U.S. 52nd Cong., 1st sess., S. Ex. Doc. 41, pt. 3.)

Source: US geologic names lexicon (USGS Bull. 896, p. 218); Geol. TX (1933, v. 1, p. 455).


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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