U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Pillsbury shale*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Shale
    • Sandstone
  • AAPG geologic province:
    • Nemaha anticline
    • Forest City basin
Publication:

Moore, R.C., and Mudge, M.R., 1956, Reclassification of some Lower Permian and Upper Pennsylvanian strata in northern Midcontinent, IN Geological notes: American Association of Petroleum Geologists Bulletin, v. 40, no. 9, p. 2271-2278. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 2274 (fig. 1), 2275-2276. Pillsbury shale of Wabaunsee group. Defined to include strata between Stotler limestone (new) above and Zeandale limestone (new) below. Replaces †Langdon shale (abandoned) of Condra and Reed (1943). Thickness ranges from about 1 foot to 50 feet; average thickness 25 feet. Age is Late Pennsylvanian (Virgilian).
Type exposure: in roadcut in SE/4 NE/4 NE/4 sec. 28, T. 10 S., R. 9 E., Riley Co., northeastern KS. Named from Pillsbury Crossing, a ford across Deep Creek, in NE/4 NW/4 sec. 5, T. 11 S., R. 9 E., Riley Co.
Paratype sections (sections typical of facies changes of formations): exposed in stream bank in center of SW/4 NE/4 sec. 32, T. 10 S., R. 9 E., Riley Co., and in NE/4 NE/4 sec. 19, T. 11 S., R. 13 E., Wabaunsee Co., northeastern KS.

Source: US geologic names lexicon (USGS Bull. 1200, p. 3021).


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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 04 Apr 2024 04:04:41 PM MDT