- Usage in publication:
-
- Effingham beds
- Modifications:
-
- Original reference
- AAPG geologic province:
-
- Illinois basin
Summary:
Pg. 12. Referred to as Effingham beds in McLeansboro group. Type locality given. Age is Pennsylvanian.
Type locality: in sec. 33, T. 8 N., R. 6 E., on tributary to Salt Creek 0.5 mi south of Effingham, Effingham Co., southeastern IL.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1218).
- Usage in publication:
-
- Effingham limestone member
- Modifications:
-
- Revised
- AAPG geologic province:
-
- Illinois basin
Summary:
Pg. 41, 51 (table 1), pl. 1. Effingham limestone member of Mattoon formation (new) of McLeansboro group proposed. Occurs above Shumway limestone member and below Bogota limestone member. Thickness about 11 feet at type outcrop. Name Effingham beds discontinued. Age is Pennsylvanian.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1218).
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 ([ ]).