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Geologic Unit: Spann
Map showing publication footprint
  • Usage in publication:
    • Spann limestone member*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Munn, M.J., 1914, Reconnaissance of oil and gas fields in Wayne and McCreary Counties, Kentucky: U.S. Geological Survey Bulletin, 579, 105 p.


Summary:

Pg. 33. Spann limestone member of Pennington shale. Massive cherty geodic limestone, 3 to 15 feet thick, in middle of Pennington shale. Age is Mississippian.
[Named from Spann, Wayne Co., southeastern KY.]

Source: US geologic names lexicon (USGS Bull. 896, p. 2034).


Map showing publication footprint
  • Usage in publication:
    • Spann Limestone Member*
  • Modifications:
    • Not used
  • 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:

Pg. 20, 32. Rocks of Spann Limestone Member of Pennington Shale (Munn, 1914) reallocated to unnamed dolostone member of Paragon Formation.

Source: Publication.


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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