U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Unit: Morrill
Map showing publication footprint
  • Usage in publication:
    • Morrill limestone member
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Forest City basin
Publication:

Condra, G.E., 1935, Geologic cross-section, Forest City, Missouri to south of Du Bois, Nebraska: Nebraska Geological Survey Paper, no. 8, 23 p., Issued late in 1935. See also USGS unpub. corr. charts of Pennsylvanian and Permian rocks of KS and NE, compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, Oct. 1936


Summary:

Pg. 7. Morrill limestone member, upper member of Beattie limestone formation of Council Grove group. Followed classification of Condra and Busby (1933) and Moore (Kansas Geol. Survey Bull., no. 22, 1936). Consists of two gray limestones separated by thin shale; weathers brown. Thickness 3 to 4 feet. Overlies Florena shale member of the Beattie. Underlies Stearns shale formation of Council Grove group. Age is considered Permian (lower part of Big Blue).

Source: US geologic names lexicon (USGS Bull. 896, p. 1422, Beattie entry p. 135-136); GNC KS-NE Permian Corr. Chart, Oct. 1936, Oct. 1936.


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 04:03:22 PM MDT