Usage:
Coleharbor Formation (ND,Canada)
Coleharbor Group (ND)
Subunits:
GROUP STATUS (alphabetical) --all in ND: Brenna Formation, Camp Grafton Formation, Cando Formation, Churchs Ferry Formation, Dahlen Formation, Falconer Formation, Gardar Formation, Gervais Formation, [?]Hansboro Formation, Horseshoe Valley Formation, Huot Formation, Lostwood drift (informal), Marcoux Formation, Medicine Hill Formation, Poplar River Formation, Red Lake Falls Formation, Sherack Formation, Snow School Formation, St. Hilaire Formation, Temvik till (informal), Vang Formation, Wylie Formation.
Geologic age:
Quaternary (Pleistocene)
Type section, locality, area and/or origin of name:
Type section: in NW/4 NW/4 NE/4 sec. 22, T. 147 N., R. 84 W., McLean Co., ND (Bluemle, 1971).
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 ([ ]).