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  • Usage in publication:
    • Tygarts Creek Member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
    • Dolomite
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Ettensohn, F.R., Rice, C.L., Dever, G.R., Jr., and Chesnut, D.R., 1984, Slade and Paragon Formations; new stratigraphic nomenclature for Mississippian rocks along the Cumberland Escarpment in Kentucky, IN Contributions to stratigraphy: U.S. Geological Survey Bulletin, 1605-B, p. B1-B37.


Summary:

The Tygarts Creek Member of the Slade Formation, here named, consists of light-gray calcarenite with local stringers of dolomite. This unit was formerly called the Reelsville-Beech Creek Limestone by McFarlan and Walker (1956), which is excluded from the Cumberland Escarpment area of east-central and northeastern KY. Occurs throughout the outcrop belt of the Slade Formation. Disconformably overlies or intertongues with the Armstrong Hill or Holly Fork Members of the Slade; conformably underlies the Ramey Creek Member. Thickness varies from 1 to 10 m. Age is Late Mississippian.

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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