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Map showing publication footprint
  • Usage in publication:
    • Fairmount limestone member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Nickles, J.M., 1902, The geology of Cincinnati [Ohio]: Cincinnati Society of Natural History Journal, v. 20, no. 2, p. 49-100.


Summary:

Name Fairmount limestone member, upper member of Fairview formation, applied to DEKAYIA ASPERA beds of alternating thin-bedded bluish limestones and bluish, pale yellowish, or brownish shales, 80 ft thick. Overlain by Bellevue or MONTICULIPORA MOLESTA beds and underlain by Mount Hope or AMPLEXOPORA SEPTOSA beds. Age is Late Ordovician.

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


Map showing publication footprint
  • Usage in publication:
    • Fairmount formation
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Patton, J.B., Perry, T.G., and Wayne, W.J., 1953, Ordovician stratigraphy and the physiography of part of southeastern Indiana: Indiana Geological Survey Field Conference Guidebook, no. 6, 29 p.


Summary:

Pl. 1. Fairmount formation of Maysville group. Shown on generalized stratigraphic column of Ordovician and Silurian rocks exposed in Jefferson and Switzerland Counties, [eastern] Indiana (J.J. Galloway, J.B. Patton, and T.G. Perry, compilers, April 1953). Consists of blue limestone, thick-bedded at top; contains minor amount of shale. Thickness 30 to 60 feet. Overlies Mount Hope formation and underlies Bellevue formation (both of Maysville group). Fossils [listed]. Age is Late Ordovician (Cincinnatian).

Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 1310).


Map showing publication footprint
  • Usage in publication:
    • Fairmount Member
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Velbel, D.B., 1985, Ichnologic, taphonomic, and sedimentologic clues to the deposition of Cincinnatian shales (Upper Ordovician), Ohio, U.S.A., IN Curran, H.A., Biogenic structures; their use in interpreting depositional environments: Society of Economic Paleontologists and Mineralogists Special Publication, Symposium, Denver, CO, June, 1980, no. 35, p. 299-307.


Summary:

Fairmount Member of Fairview Formation is shown on stratigraphic column of southwestern OH. Overlies Mount Hope Member of Fairview. Underlies Bellevue Member of McMillan Formation. Age is Late Ordovician (Cincinnatian).

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


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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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