- Usage in publication:
-
- Cartersburg Till Member
- Modifications:
-
- Named
- Dominant lithology:
-
- Till
- Mudstone
- AAPG geologic province:
-
- Illinois basin
Summary:
Named as member of Trafalgar Formation. Named for Cartersburg, Hendricks Co., central IN. Consists primarily of conglomeratic sandy mudstone, but includes all sediments from surficial soil downward to top of thin fossiliferous silt bed that caps underlying Center Till Member (new). Where fossiliferous silt bed is absent, it is difficult to separate the two members. Thickness is 30.5 ft at type section. Age is Pleistocene.
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 ([ ]).