Usage:
Black Knob Chert Member of Tenmile Creek Formation of Stanley Group (OK)
Geologic age:
Mississippian, Late
Type section, locality, area and/or origin of name:
Type locality: outcrop on east side of Black Knob Ridge, in T. 1 S., R. 12 E., Atoka Co., OK (Pitt and others, 1982).
AAPG geologic province:
Ouachita folded belt
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 ([ ]).