Usage:
Bottineau interval (informal) in Lodgepole Formation of Madison Group (ND-subsurface)
Same as Souris Valley beds in Canada. See also Souris Valley.
Informal. The rank or lithologic term should not be capitalized.
Subunits:
(alphabetical) --all in ND, local, informal: Flossie Lake subinterval, Scallion subinterval, Virden subinterval, Whitewater Lake subinterval.
Geologic age:
Early Mississippian (Kinderhookian)
Type section, locality, area and/or origin of name:
Unknown.
AAPG geologic province:
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 ([ ]).