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Geologic Unit: Butler
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  • Usage in publication:
    • Butler sandstone
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Appalachian basin
Publication:

White, I.C., 1878, Report of progress in the Beaver River district of the bituminous coal fields of western Pennsylvania, with analyses of coal, cannel, coke, clay, limestone, and ore, from Butler and Beaver Counties, Pennsylvania by A.S. McCreath: Pennsylvania Geological Survey Report of Progress, 2nd series, v. Q, 337 p.


Summary:

Named for town of Butler, Butler Co., western PA. Consists of massive sandstone. Lies 35 ft below Upper Freeport limestone and overlies Lower Freeport coal. Thickness is 30 ft. [Age is Pennsylvanian.]

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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