U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Souris Valley

Usage:

Souris Valley beds (Canada-subsurface)
Same as Bottineau interval (informal) in Lodgepole Formation of Madison Group (ND). See also Bottineau.

Informal. The rank or lithologic term should not be capitalized.


Geologic age:

Early Mississippian (Kinderhookian)


Type section, locality, area and/or origin of name: (See Canadian Lexicon)

Named from Souris Valley Oil Company, Gordon White No. 1 well, Manitoba, Canada (Saskatchewan Geological Society, 1956).


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 ([ ]).