Usage:
No current usage.
(†Beaverhill Lake Group (ND-subsurface) not used in the U.S. See Dawson Bay and Souris River.)
Geologic age:
Middle to Late Devonian (Givetian to Frasnian)
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
["Type section"] (subsurface): depth-interval 4,325 to 5,047 ft, Anglo-Canadian Beaverhill Lake No. 2 well, LSD 11-11-50-17 West of 4th Meridian (W4M), Alberta, Canada. Named from town of Beaverhill Lake, 11 km to the northwest. [From CSPG Yukon Territory and District of Mackenzie Lexicon]
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 ([ ]).