U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Unit: Noix
Search archives
Map showing publication footprint
  • Usage in publication:
    • Noix Limestone*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Illinois basin
    • Ozark uplift
Publication:

Harrison, R.W., 1997, Bedrock geologic map of the St. Louis 30' x 60' quadrangle, Missouri and Illinois: U.S. Geological Survey Miscellaneous Investigations Series Map, I-2533, 2 sheets, 7 p., scale 1:100,000 [http://ngmdb.usgs.gov/Prodesc/proddesc_13024.htm]


Summary:

Noix Limestone of Late Ordovician (Cincinnatian) age included with undivided Ordovician and Silurian rocks in MO and IL. Shown in subsurface only. Previously thought to be Silurian by Rubey (1952), but subsequently assigned Ordovician age by Thompson and Satterfield (1971, 1975) and by Amsden (1974, 1983, 1986).

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 ([ ]).

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 03:27:40 PM MDT