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Map showing publication footprint
  • Usage in publication:
    • Georges Fork sandstone member*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Chautauqua platform
Publication:

Wilson, C.W., Jr., 1935, Age and correlation of Pennsylvanian surface formations, and of oil and gas sands of Muskogee County, Oklahoma: American Association of Petroleum Geologists Bulletin, v. 19, no. 4, p. 503-520. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 503-520. Georges Fork sandstone member of Atoka formation. Thin to massive bedded sandstone; medium-grained; commonly greenish brown on fresh surface, weathering to brown; surfaces of bedding planes often covered with fucoidal markings. Fossils. Thickness 35 feet. Base lies 80 to 120 feet above Pope Chapel sandstone member and top lies 60 feet below Dirty Creek sandstone member, the intervals being occupied by shale. Age is Pennsylvanian. Report includes geologic map, columnar sections, measured sections.
Named from exposure east of Georges Fork, in secs. 24 and 25, T. 12 N., R. 19 E., Muskogee Co., eastern OK.

Source: US geologic names lexicon (USGS Bull. 896, p. 813); supplemental information from GNU records (USGS DDS-6; Denver 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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