Usage:
Torquay Formation of Three Forks Group (MT,ND)
Geologic age:
Late Devonian
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
Type section (subsurface): depth-interval 2,010 to 2,062 m, Campagnie Francaise des Petroles Torquay No. 1 well, LSD 8-32-3-11 West of 2nd Meridian (W2M), southeast Saskatchewan, Canada. Named from town of Torquay (Christopher, 1961).
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 ([ ]).