Usage:
No current usage?
(†Lander Member of Kootenai Formation (MT) considered abandoned? Uncertain if used by the MT Geol. Survey. Not used by the USGS.)
Geologic age:
Early Cretaceous
Type section, locality, area and/or origin of name:
Type log (subsurface): in NE/4 SE/4 SW/4 sec. 10, T. 37 N., R. 5 W., Glacier Co., MT (Oakes, 1966).
AAPG geologic province:
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 ([ ]).