U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Unit: Lisbon
Search archives
Map showing publication footprint
  • Usage in publication:
    • Lisbon shales
  • Modifications:
    • Named
  • Dominant lithology:
    • Shale
  • AAPG geologic province:
    • Anadarko basin
    • Denver basin
Publication:

Cragin, F.W., 1896, On the stratigraphy of the Platte series, or Upper Cretaceous of the Plains: Colorado College Studies, v. 6, p. 49-52.


Summary:

Named as lower part of Ft. Pierre division of Platte series (new); named from Lisbon, Logan Co, KS, Anadarko basin. No type locality designated. Occurs in Logan and Wallace Cos, KS, Anadarko basin, and in Elbert Co, CO in the Denver basin. Consists of dark-bluish and brownish shales containing concretions of yellow phosphate of iron. Thickness not given. Overlies Smoky Hill chalk (new) of Niobrara division, Platte series (new); underlies Arickaree shales (new) of Fox Hills division, Platte series (new). Fossils listed. Of Late Cretaceous age.

Source: 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 ([ ]).

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 03:59:36 PM MDT