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

Geologic Unit: Torquay

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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).