- Usage in publication:
-
- Afton limestone member
- Modifications:
-
- Original reference
- Dominant lithology:
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- Claystone
- AAPG geologic province:
-
- Sedgwick basin
Summary:
Pg. 4, 10-11. Afton limestone member of Wellington formation. Claystones, green and red shales and clays at top of formation. Claystones at the top of the member carry copper carbonate flakes and nodules. Underlies typical Harper red beds; overlies Slate Creek limestone member (new). Age is Permian.
Type locality: Afton Twp., in T. 28 S., R. 3 W., Sedgwick Co., southeastern KS.
Source: US geologic names lexicon (USGS Bull. 1200, p. 23).
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 ([ ]).