Usage:
Verendrye Member of Pierre Shale (NE*,ND*,SD*)
Geologic age:
Late Cretaceous (Campanian)*
Type section, locality, area and/or origin of name:
Type section: in railroad cut and in roadcuts along U.S. Highway 14, in vicinity of the Verendrye Monument, Stanley Co., SD. Named from exposures under and above the Verendrye Monument at Fort Pierre, Stanley Co., SD (Searight, 1937).
AAPG geologic province:
Salina basin*
Sioux uplift*
Williston 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 ([ ]).