Cut Bank Sandstone Member of Kootenai Formation (MT*-recognized locally in Glacier Co.)
Cut Bank Sandstone Member of Mount Pablo Formation (MT*-recognized locally in Teton and Pondera Cos.)
Cut Bank Sandstone (MT)
Early Cretaceous*
Type section (subsurface): depth-interval 2,571 to 2,642 ft (748 m to 805 m), Salt Dome [now Union Oil] Krueger No. 1 well, in NW/4 SW/4 sec. 12, T. 37 N., R. 5 W., Glacier Co., MT (Oakes, 1966).
Reference section (surface): along Badger Creek, in NE/4 SW/4 sec. 3, T. 29 N., R. 11 W., Blackfeet Indian Reservation, Pondera Co., MT (Mudge and Rice, 1982).
Sweetgrass arch*
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 ([ ]).