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Geologic Unit: Curlew
Map showing publication footprint
  • Usage in publication:
    • Curlew sandstone
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Illinois basin
Publication:

Owen, D.D., 1856, Report of the Geological Survey in Kentucky made during the years 1854 and 1855: Kentucky Geological Survey, v. 1, p. 3-248.


Summary:

Pl. showing section of Lower Coal Measures; 1857, Kentucky Geol. Survey, v. 3, p. 13, 23. Curlew sandstone in Lower Coal Measures. Massive sandstone, 20 feet thick; separated from underlying Curlew coal by 5 feet 3 inches of shale or limestone and 5 feet of shale. Overlain by 42 feet of shale with clay ironstones.
Apparently named from Curlew, Union Co., KY.
[Adopted by the USGS (ca. 1936) as Curlew sandstone in Tradewater formation. Age is Pennsylvanian. Present in western Kentucky and southeastern Illinois(?).]

Source: US geologic names lexicon (USGS Bull. 896, p. 556).


Map showing publication footprint
  • Usage in publication:
    • Curlew sandstone
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Illinois basin
Publication:

Weller, J.M., 1940, Geology and oil possibilities of extreme southern Illinois, Union, Johnson, Pope, Hardin, Alexander, Pulaski, and Massac Counties: Illinois Geological Survey Report of Investigations, no. 71, 71 p.


Summary:

Pg. 41. Curlew sandstone. Basal sandstone in Stonefort formation. Massive micaceous cross-bedded more or less friable member that unconformably overlies Macedonia formation (new). Age is Pennsylvanian.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1010).


Map showing publication footprint
  • Usage in publication:
    • Curlew sandstone
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Illinois basin
Publication:

Weller, J.M., Henbest, L.G., and Dunbar, C.O., 1942, Stratigraphy of the fusuline-bearing beds of Illinois, IN Dunbar, C.O., and Henbest, L.G., Pennsylvanian Fusulinidae of Illinois: Illinois Geological Survey Bulletin, no. 67, p. 9-34., [1943]


Summary:

Pg. 15 (fig. 2) [1943]. Curlew sandstone of Tradewater group. Included in Stonefort cyclothem, Tradewater group. Occurs above Curlew coal and below Bald Knob coal which is below Stonefort limestone. Age is Pennsylvanian.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1010).


Map showing publication footprint
  • Usage in publication:
    • Curlew sandstone
  • Modifications:
    • Not used
  • AAPG geologic province:
    • Illinois basin
Publication:

Kosanke, R.M., Simon, J.A., Wanless, H.R., and Willman, H.B., 1960, Classification of the Pennsylvanian strata of Illinois: Illinois Geological Survey Report of Investigations, no. 214, 84 p.


Summary:

Pg. 32. Curlew sandstone. Replaced with Granger sandstone member of Spoon formation of Kewanee group (all new).

Source: US geologic names lexicon (USGS Bull. 1200, p. 1010).


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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