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National Geologic Map Database

Geologic Unit: Lodgepole

Usage:

Lodgepole Limestone of Madison Group (ID*,MT*,ND*,SD*,WY*)
Lodgepole Formation of Madison Group (ND)
Lodgepole Limestone (UT*)


Subunits:

(alphabetical): Cottonwood Canyon Member (MT*,UT*,WY*), Paine Member (ID*,MT*,UT*,WY*), Woodhurst Member (ID*,MT*,UT*,WY*).


Geologic age:

Early Mississippian (Tournaisian; Kinderhookian to early Osagean)*


Type section, locality, area and/or origin of name:

Named from Lodgepole Canyon, Blaine Co., MT (Collier and Cathcart, 1922).
Type locality stated to be in Little Chief Canyon, along Lodgepole Creek, about 3 mi south of the Lodgepole subagency of the Fort Belknap Indian Reservation, in sec. 29, T. 26 N., R. 25 E., Blaine Co., MT (Knechtel, 1959).
Type section designated in Little Chief Canyon, in NE/4 NW/4 sec. 30, T. 26 N., R. 25 E., Blaine Co., MT (Sando and Dutro, 1974).


AAPG geologic province:

Central Montana uplift*
Great Basin province*
Montana folded belt*
Powder River basin*
Snake River basin*
Sweetgrass arch*
Uinta uplift*
Wasatch uplift*
Williston basin*
Yellowstone province*


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 ([ ]).