Usage:
Johns Valley Shale (AR*,OK*)
Geologic age:
Early Pennsylvanian (Morrowan)*
Type section, locality, area and/or origin of name:
Typically exposed in center of Tuskahoma syncline, particularly in N/2 T. 1 S., R. 16 E. Named from settlement (on Cane Creek, in northwest part of Pushmataha Co., about 6 mi north of Eubanks) which is now called Johns Valley, but which, at time Taff named Caney shale, was locally known as Caney and which Taff in 1925 stated was type locality of Caney shale (Ulrich, 1927).
AAPG geologic province:
Arkoma basin*
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 ([ ]).