- Usage in publication:
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- Canton Shale Member
- Modifications:
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- Overview
- AAPG geologic province:
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- Illinois basin
Summary:
Named for Canton, Fulton Co. Type section consists of outcrops along Big Creek (cen. 9, 6N-4E). Consists of gray, rather uniform shale that is silty in upper part. In western and northern IL, lower few feet is dark gray and contains varied marine fauna and several layers of fossiliferous, calcareous concretions. In northern IL, a 4-6 in. bed of canneloid occurs locally about 10 ft above base of Canton. In southern IL, shale above St. David Limestone Member and shale either immediately or a few feet above Briar Hill Coal may be in part equivalent to Canton.
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 ([ ]).