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Usage:
No current usage.
(†Dederick Member of Cherokee Shale (MO) is same as Riverton Shale and/or Drywood Formation. See Riverton and Drywood.)
Geologic age:
Middle Pennsylvanian
Type section, locality, area and/or origin of name:
Best exposures in vicinity of Dederick, along railroad in northern part of sec. 26, T. 36 N., R. 29 W., and in NE/4 SE/4 sec. 36, T. 36 N., R. 29 W., Vernon Co., western MO (Greene and Pond, 1926).
AAPG geologic province:
Cherokee basin
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 ([ ]).